32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Merrell, Surgeon in Leominster, MA?
Dr. Nathaniel Merrell, MD is a Surgeon, who primarily practices in Leominster, MA. He has been practicing for over 32 years and is board certified. Dr. Merrell graduated from University of Rochester School of Medicine and Dentistry and completed his residency at Strong Mem Hsp U Rochester, General Surgery. Dr. Merrell is fluent in English, and is currently seeing new patients. Dr. Merrell’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Merrell’s office at (978) 840-6481.
What are Areas of Expertise for Dr. Merrell?
Dr. Nathaniel Merrell, MD is a highly-rated, board-certified Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Merrell empowers patients to confidently navigate their health journey, specializing in Breast Surgery, Gallbladder Surgery, or comprehensive wellness support. Serving the Leominster/MA community, Dr. Merrell is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Merrell go to medical school and complete their residency?
Residency: Strong Mem Hsp U Rochester, General Surgery | University of Rochester Medical Center | University of Rochester Program
Medical School: University of Rochester Sch of Med & Dentistry, Rochester Ny | University of Rochester School of Medicine and Dentistry
Is Dr. Merrell board certified as a Surgeon?
Yes, Dr. Nathaniel Merrell, MD is board certified by the American Board of Surgery
What languages does Dr. Merrell speak?
Dr. Merrell and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Merrell treat?
As a Surgeon, Dr. Merrell diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Merrell. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Breast Tumor of Uncertain Behavior
- Breast Disease
- Breast Neoplasm
- Breast Lump of Unknown Type
- Uncertain Breast Growth
ICD-10 Codes:
- D4862: Neoplasm of uncertain behavior of left breast
- D4861: Neoplasm of uncertain behavior of right breast
Also known as:
- Skin Tumor of Uncertain Behavior
- Skin Condition
- Skin Neoplasm
- Skin Growth
- Uncertain Skin Lesion
ICD-10 Codes:
- D485: Neoplasm of uncertain behavior of skin
Also known as:
- Gallstones with Chronic Gallbladder Inflammation
- Bile Duct Disease
- Gallstones
- Chronic cholecystitis with gallstones
- Long-term gallbladder inflammation
ICD-10 Codes:
- K8010: Calculus of gallbladder with chronic cholecystitis without obstruction
Also known as:
- Groin Hernia (One Side)
- Hernia
- Inguinal Hernia
- Unilateral Inguinal Hernia
- Single Groin Hernia
- Hernia in One Groin
ICD-10 Codes:
- K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Also known as:
- Soft Tissue Tumor of Uncertain Behavior
- Connective Tissue Neoplasm
- Soft Tissue Growth
- Uncertain Soft Tissue Mass
ICD-10 Codes:
- D4819: Other specified neoplasm of uncertain behavior of connective and other soft tissue
Also known as:
- Breast Cancer
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
ICD-10 Codes:
- C50412: Malignant neoplasm of upper-outer quadrant of left female breast
What procedures does Dr. Merrell perform?
As a Surgeon, Dr. Merrell performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Merrell. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Intermediate Wound Repair (2.5 cm or less)
- Intermediate Wound Repair (Body)
- Wounds and Injuries
- Complex Wound Closure
- Deep Wound Stitching
- Injury Repair
- Laceration Repair (Body)
- Surgical Wound Closure (Trunk/Limbs)
- Deep Wound Stitching (Body)
CPT Codes:
- 12031: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.5 cm or less
- 12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
Also known as:
- Partial Mastectomy
- Mastectomy
- Lumpectomy
- Breast conserving surgery
- Quadrantectomy
- Segmentectomy
CPT Codes:
- 19301: Mastectomy, partial (eg, lumpectomy, tylectomy, quadrantectomy, segmentectomy);
Also known as:
- Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
- Removal of Benign Skin Lesion
- Benign Skin Lesion Removal (0.6-1.0 cm)
- Benign Skin Lesion Excision
- Skin Tumor Removal (Benign)
- Mole Removal (Non-Cancerous)
- Benign Skin Growth Excision
- Skin Lesion Removal Surgery
- Excision of Non-Cancerous Skin Lesion
- Skin growth excision
- Mole removal
- Benign skin tumor removal
- Skin lesion surgery
CPT Codes:
- 11402: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 1.1 to 2.0 cm
- 11401: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 0.6 to 1.0 cm
- 11421: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), scalp, neck, hands, feet, genitalia; excised diameter 0.6 to 1.0 cm
Also known as:
- Removal of Benign Skin Lesion
- Skin Cancer Removal (Trunk, Arms, Legs)
- Small Benign Lesion Removal (Head/Extremities)
- Benign Skin Growth Excision
- Skin Lesion Removal Surgery
- Mole Removal
- Skin Tumor Excision
- Malignant Lesion Excision
- Skin Tumor Removal
- Cancerous Skin Growth Excision
- Benign Growth Excision (Scalp/Neck)
- Hand/Foot Lesion Removal
- Genital Lesion Excision
CPT Codes:
- 11403: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 2.1 to 3.0 cm
- 11602: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 1.1 to 2.0 cm
- 11422: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), scalp, neck, hands, feet, genitalia; excised diameter 1.1 to 2.0 cm
Also known as:
- Skin Cancer Removal (Trunk, Arms, Legs)
- Malignant Skin Lesion Removal
- Malignant Lesion Excision
- Skin Tumor Removal
- Cancerous Mole Removal
- Skin Cancer Excision
- Malignant Mole Removal
- Tumor Removal from Skin
- Wide Excision of Skin Lesion
CPT Codes:
- 11603: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 2.1 to 3.0 cm
- 11604: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 3.1 to 4.0 cm
Also known as:
- Breast Lump Removal with Marker Guidance
- Image-Guided Breast Lesion Excision
- Wire-Localized Breast Biopsy
- Open Excision of Marked Breast Lesion
- Breast Mass Removal with Marker
CPT Codes:
- 19125: Excision of breast lesion identified by preoperative placement of radiological marker, open; single lesion
Also known as:
- Breast Lesion Excision
- Breast Cyst Removal
- Fibroadenoma Excision
- Breast Tumor Removal
- Nipple/Areolar Lesion Removal
CPT Codes:
- 19120: Excision of cyst, fibroadenoma, or other benign or malignant tumor, aberrant breast tissue, duct lesion, nipple or areolar lesion (except 19300), open, male or female, 1 or more lesions
Also known as:
- Modified Radical Mastectomy
- Mastectomy
- Breast Removal with Lymph Node Dissection
- Breast Cancer Surgery
CPT Codes:
- 19307: Mastectomy, modified radical, including axillary lymph nodes, with or without pectoralis minor muscle, but excluding pectoralis major muscle
Also known as:
- Extensive Pilonidal Cyst Removal
- Pilonidal Sinus Excision
- Tailbone Cyst Surgery
- Sacrococcygeal Cyst Removal
CPT Codes:
- 11771: Excision of pilonidal cyst or sinus; extensive
Also known as:
- Laparoscopic Gallbladder Removal
- Laparoscopic Gallbladder Removal with X-ray
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
- Cholecystectomy with Cholangiography
- Minimally Invasive Gallbladder Removal
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
- 47563: Laparoscopy, surgical; cholecystectomy with cholangiography
Also known as:
- Inguinal Hernia Repair (Adults and Children 5+)
- Repair of Small Abdominal Hernia (Complicated)
- Recurrent Inguinal Hernia Repair
- Groin Hernia Surgery
- Reducible Inguinal Hernia Repair
- First Inguinal Hernia Fix
- Adult Inguinal Hernia Surgery
- Epigastric Hernia Repair
- Umbilical Hernia Surgery
- Incisional Hernia Repair with Mesh
- Strangulated Hernia Surgery
- Repeat Groin Hernia Surgery
- Inguinal Hernia Recurrence Surgery
CPT Codes:
- 49505: Repair initial inguinal hernia, age 5 years or older; reducible
- 49592: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); less than 3 cm, incarcerated or strangulated
- 49520: Repair recurrent inguinal hernia, any age; reducible
Also known as:
- Laparoscopic Appendectomy
- Minimally Invasive Appendectomy
- Keyhole Appendectomy
- Scope Appendectomy
CPT Codes:
- 44970: Laparoscopy, surgical, appendectomy
Also known as:
- Freeing Intestinal Adhesions
- Enterolysis
- Bowel Adhesion Removal
- Lysis of Intestinal Adhesions
- Release of Bowel Scar Tissue
CPT Codes:
- 44005: Enterolysis (freeing of intestinal adhesion) (separate procedure)
Also known as:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Also known as:
- Tunneled Central Venous Catheter Removal
- Central Line Explant
- Port-a-Cath Removal
- Implantable Venous Access Device Removal
- Tunneled Catheter Extraction
CPT Codes:
- 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion
Also known as:
- Deep Armpit Lymph Node Biopsy
- Biopsy
- Axillary Lymph Node Excision
- Open Axillary Node Biopsy
- Underarm Lymph Node Removal
CPT Codes:
- 38525: Biopsy or excision of lymph node(s); open, deep axillary node(s)
Also known as:
- Removal of Large Neck or Chest Tumor
- Excision of subcutaneous tumor
- Neck mass removal
- Chest wall tumor surgery
CPT Codes:
- 21552: Excision, tumor, soft tissue of neck or anterior thorax, subcutaneous; 3 cm or greater
Also known as:
- Removal of Large Soft Tissue Tumor (Back/Flank)
- Subcutaneous Tumor Excision (Back)
- Flank Tumor Removal
- Large Soft Tissue Mass Excision
- Back Tumor Surgery
CPT Codes:
- 21931: Excision, tumor, soft tissue of back or flank, subcutaneous; 3 cm or greater
Does Dr. Merrell accept my insurance?
Dr. Merrell accepts most major insurance plans. Important: Please call our office at (978) 840-6481 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Merrell accept in Leominster, MA?
Dr. Merrell in Leominster, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Boston Medical Center
Compassionate Care Hospice
Health New England
Health Plans
Liberty HealthShare
Medicare
Point32Health
State of Tennessee
UMass Memorial Health Care
UnitedHealthcare
View All Insurances
Where is Dr. Merrell's office located?
Dr. Nathaniel Merrell's Primary Practice
100 Hospital Rd Ste 2B
Leominster, MA 01453
(978) 840-6481
Recognitions
Awards
Alpha Omega Honor Med Society
UMASS Fitchburg Family Practice Specialist of the Year
What is Dr. Merrell's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Merrell's National Provider Identifier (NPI) number is 1922162262.
What common questions do patients ask about Dr. Merrell?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Merrell
What is Dr. Nathaniel Merrell's specialty?
Dr. Merrell is a Surgeon near Leominster, MA. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Merrell to book an appointment today.
Is this Dr. Nathaniel Merrell affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Merrell is affiliated with UMass Memorial Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Surgeon?
Explore Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Nathaniel Merrell accepting new patients in Leominster, MA?
Yes, Dr. Nathaniel Merrell is accepting new patients at this time.
Does Dr. Nathaniel Merrell offer online booking?
Please contact Dr. Merrell's office at (978) 840-6481 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nathaniel Merrell?
Please contact Dr. Merrell's office at (978) 840-6481 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Nathaniel Merrell have?
Dr. Nathaniel Merrell is certified by the American Board of Surgery.
Other Surgeon Near Leominster, MA
RS
Surgeon
Accepting patientsDr. Robert Shelton, MD is a Surgeon, who primarily practices in Leominster, MA. He has been practicing for over 34 years and is board certified.
Leominster, MA
BG
Surgeon
Accepting patientsDr. Benjamin Grajales, MD is a Surgeon, who primarily practices in Leominster, MA. He has been practicing for over 32 years and is board certified.
Leominster, MA
MJ
Surgeon
Accepting patientsDr. Michael Jiser, MD is a Surgeon, who primarily practices in Ayer, MA with 2 additional practice locations. He is board certified.
Ayer, MA