19 Years of Experience
Accepting patients
Who is Dr. Eisdorfer, Colon & Rectal Surgeon (Proctologist) in Brooklyn, NY?
Dr. Jacob Eisdorfer, DO is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Brooklyn, NY with 2 additional practice locations. He has been practicing for over 19 years and is board certified. Dr. Eisdorfer is fluent in English and Yiddish, and is currently seeing new patients. Dr. Eisdorfer’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Eisdorfer’s office.
Is Dr. Eisdorfer board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Jacob Eisdorfer, DO is board certified by the American Board of Surgery
What languages does Dr. Eisdorfer speak?
Dr. Eisdorfer and their clinical team can communicate with patients in the following languages:
English
Yiddish
What conditions does Dr. Eisdorfer treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Eisdorfer 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. Eisdorfer. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Second Degree Hemorrhoids
- Third Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
ICD-10 Codes:
- K641: Second degree hemorrhoids
- K642: Third degree hemorrhoids
Also known as:
- Anal Dysplasia
- Anal Fistula
- Anal Disorder
- Fistulas
- Abnormal anal cells
- Precancerous anal changes
- Anal epithelial dysplasia
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K6282: Dysplasia of anus
- K603: Anal fistula
Also known as:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Colorectal Cancer
- Colon cancer
- Rectal cancer
- Bowel cancer
- Malignant neoplasm of sigmoid colon
ICD-10 Codes:
- C187: Malignant neoplasm of sigmoid colon
What procedures does Dr. Eisdorfer perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Eisdorfer 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. Eisdorfer. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- High-Resolution Anoscopy with Biopsy
- Anoscopy
- HRA with Biopsy
- Anal Canal Magnification Exam
- Anorectal Biopsy
CPT Codes:
- 46607: Anoscopy; with high-resolution magnification (HRA) (eg, colposcope, operating microscope) and chemical agent enhancement, with biopsy, single or multiple
Also known as:
- Anoscopy (Diagnostic)
- Anoscopy
- Anal Canal Exam
- Rectal Scope Exam
- Anus Diagnostic Procedure
CPT Codes:
- 46600: Anoscopy; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Rectal Tumor Removal Through Anus
- Transanal tumor excision
- Full thickness rectal resection
- Rectal cancer surgery via anus
CPT Codes:
- 45172: Excision of rectal tumor, transanal approach; including muscularis propria (ie, full thickness)
Also known as:
- Anal Fistula Surgery
- Fistulectomy
- Fistulotomy
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
CPT Codes:
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Removal of Anal Lesions (Electrocautery)
- Anal Wart Removal (Electrocautery)
- Electrosurgical Destruction of Anal Lesions
- Anus Lesion Excision
- Electrodessication of Anal Condyloma
CPT Codes:
- 46910: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; electrodesiccation
Does Dr. Eisdorfer accept my insurance?
Dr. Eisdorfer accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Eisdorfer accept in Brooklyn, NY?
Dr. Eisdorfer in Brooklyn, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Amida Care
Cascade Comprehensive Care
Cigna Group
Commonwealth Health Corporation (CHC)
Elderplan
Medicare
National Benefit Fund
Service Employees International Union (SEIU)
Unknown
View All Insurances
Where is Dr. Eisdorfer's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
What is Dr. Eisdorfer's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Eisdorfer's National Provider Identifier (NPI) number is 1487706255.
What common questions do patients ask about Dr. Eisdorfer?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Eisdorfer
What is Dr. Jacob Eisdorfer's specialty?
Dr. Eisdorfer is a Colon & Rectal Surgeon (Proctologist) near Brooklyn, NY. A colon and rectal surgeon possesses the expertise to diagnose and treat a variety of ailments affecting the intestinal tract, including the colon, rectum, anal canal, and perianal area, through both medical and surgical interventions. Furthermore, this professional also engages with other organs and tissues, including the liver, urinary system, and female reproductive system, that are relevant to primary intestinal disorders. Contact Dr. Eisdorfer to book an appointment today.
Is this Dr. Jacob Eisdorfer affiliated with a ranked Castle Connolly Top Hospital?
No, Eisdorfer is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: One Brooklyn Health - Brookdale Hospital Medical Center. Castle Connolly Top Hospitals 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 Colon & Rectal Surgeon (Proctologist)?
Explore Colon & Rectal Surgeon (Proctologist) 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 Jacob Eisdorfer accepting new patients in Brooklyn, NY?
Yes, Dr. Jacob Eisdorfer is accepting new patients at this time.
Does Dr. Jacob Eisdorfer offer online booking?
Please contact Dr. Eisdorfer's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jacob Eisdorfer?
Please contact Dr. Eisdorfer's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Jacob Eisdorfer have?
Dr. Jacob Eisdorfer is certified by the American Board of Surgery.
Other Colon & Rectal Surgeon (Proctologist) Near Brooklyn, NY
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Accepting patientsDr. Mehraneh Jafari, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Brooklyn, NY.
Center for Community Health at NewYork-Presbyterian Brooklyn Methodist Hospital
515 6th Street
Brooklyn, NY 11215