Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mills, Colon & Rectal Surgeon (Proctologist) in Orange, CA?
Dr. Steven Mills, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Orange, CA with 2 additional practice locations. He is board certified. Dr. Mills completed his residency at Oregon Health & Science University Affiliated Hospitals. Dr. Mills is fluent in English, and is currently seeing new patients. Dr. Mills’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mills’s office at (562) 826-8000.
Where did Dr. Mills go to medical school and complete their residency?
Residency: Oregon Health & Science University Affiliated Hospitals
Is Dr. Mills board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Steven Mills, MD is board certified by the American Board of Colon & Rectal Surgery
What languages does Dr. Mills speak?
Dr. Mills and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Mills treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Mills 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. Mills. 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:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of colon
- Malignant neoplasm of sigmoid colon
- Colon Cancer
- Rectal Cancer
- Bowel Cancer
- Colorectal Carcinoma
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C189: Malignant neoplasm of colon, unspecified
- C187: Malignant neoplasm of sigmoid colon
- C19: Malignant neoplasm of rectosigmoid junction
Also known as:
- Hemorrhoids
- Piles
- Swollen Veins in Anus
- Anal Lumps
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K649: Unspecified hemorrhoids
- K648: Other hemorrhoids
Also known as:
- Anal Fistula
- Anal Dysplasia
- Anal Disorder
- Fistulas
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
- Abnormal anal cells
- Precancerous anal changes
- Anal epithelial dysplasia
ICD-10 Codes:
- K603: Anal fistula
- K6282: Dysplasia of anus
Also known as:
- Rectal Abscess
- Rectal Prolapse
- Abscess
- Rectal Disorder
- Pelvic Floor Disorder
- Perirectal Abscess
- Pus Pocket in Rectum
- Rectal Infection
- Protruding Rectum
- Bowel Prolapse
- Rectal Eversion
ICD-10 Codes:
- K611: Rectal abscess
- K623: Rectal prolapse
Also known as:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
Also known as:
- Intestine Diverticulitis
- Diverticulosis and Diverticulitis
- Inflamed Bowel Diverticula
- Bowel Diverticular Inflammation
ICD-10 Codes:
- K5792: Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
Also known as:
- Anal Fistula
- Perianal Fistula
- Fistula in Anus
- Rectal Fistula
ICD-10 Codes:
- K6030: Anal fistula, unspecified
Also known as:
- Anal Cancer
- Anal Cancer Treatment (PDQ®)
- Anus Cancer
- Anal Carcinoma
ICD-10 Codes:
- C210: Malignant neoplasm of anus, unspecified
Also known as:
- Other Anal and Rectal Condition
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Disorders
- Rectal Disorders
ICD-10 Codes:
- K6289: Other specified diseases of anus and rectum
Also known as:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestines
- Gut Blockage
ICD-10 Codes:
- K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
Also known as:
- Vaginal-Intestinal Fistula
- Colonic Disease
- Fistulas
- Vaginal Disease
- Rectovaginal Fistula
- Colovaginal Fistula
- Vaginal Bowel Fistula
ICD-10 Codes:
- N823: Fistula of vagina to large intestine
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
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:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
What procedures does Dr. Mills perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Mills 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. Mills. 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:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Anal Fistula Surgery (Second Stage)
- Anal Fistula Surgery
- Fistulectomy
- Fistulotomy
- Anal Fistula Repair
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
- Perianal Fistula Repair
CPT Codes:
- 46285: Surgical treatment of anal fistula (fistulectomy/fistulotomy); second stage
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
- 46280: Surgical treatment of anal fistula (fistulectomy/fistulotomy); transsphincteric, suprasphincteric, extrasphincteric or multiple, including placement of seton, when performed
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
Also known as:
- Seton Placement
- Fistula Seton Insertion
- Drainage Seton Placement
- Anal Fistula Treatment
CPT Codes:
- 46020: Placement of seton
Also known as:
- Laparoscopic Partial Colon Removal
- Laparoscopic Colon Mobilization
- Minimally invasive colectomy
- Laparoscopic bowel resection
- Keyhole colon surgery
- Splenic Flexure Mobilization
- Laparoscopic Colectomy Assist
- Colon Take-down Surgery
CPT Codes:
- 44207: Laparoscopy, surgical; colectomy, partial, with anastomosis, with coloproctostomy (low pelvic anastomosis)
- 44213: Laparoscopy, surgical, mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
Also known as:
- Flexible Sigmoidoscopy with Biopsy
- Endoscopy of Small Intestinal Pouch
- Colorectal Cancer Screening Tests
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- Small Bowel Pouch Endoscopy
- Kock Pouch Evaluation
- Ileal Reservoir Endoscopy
- Pouchoscopy
CPT Codes:
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 44385: Endoscopic evaluation of small intestinal pouch (eg, Kock pouch, ileal reservoir [S or J]); diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- Drainage of Rectal Abscess
- Ischiorectal Abscess Drainage
- Perirectal Abscess Incision
- Rectal Abscess Surgery
CPT Codes:
- 46040: Incision and drainage of ischiorectal and/or perirectal abscess (separate procedure)
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Anal Sphincter Nerve Block
- Internal Anal Sphincter Chemodenervation
- Anal Sphincter Injection
- Botox for Anal Fissure
- Chemical Denervation of Anal Muscle
CPT Codes:
- 46505: Chemodenervation of internal anal sphincter
Also known as:
- Anal Lesion Excision
- Removal of Anal Warts
- Surgical Excision of Anal Lesions
- Anus Lesion Removal
CPT Codes:
- 46922: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; surgical excision
Also known as:
- Hemorrhoid Removal with Rubber Band Ligation
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
Also known as:
- Laparoscopic Enterostomy Closure with Resection
- Minimally invasive enterostomy closure
- Keyhole bowel surgery
- Laparoscopic intestinal repair
CPT Codes:
- 44227: Laparoscopy, surgical, closure of enterostomy, large or small intestine, with resection and anastomosis
Also known as:
- Total Colectomy with Ileal Pouch
- J-Pouch Surgery
- Ileoanal Anastomosis
- Total Proctocolectomy with Ileal Reservoir
- Restorative Proctocolectomy
CPT Codes:
- 44211: Laparoscopy, surgical; colectomy, total, abdominal, with proctectomy, with ileoanal anastomosis, creation of ileal reservoir (S or J), with loop ileostomy, includes rectal mucosectomy, when performed
Also known as:
- Laparoscopic Ileostomy or Jejunostomy
- Minimally Invasive Ileostomy
- Keyhole Bowel Diversion
- Laparoscopic Jejunostomy
CPT Codes:
- 44187: Laparoscopy, surgical; ileostomy or jejunostomy, non-tube
Also known as:
- Hemorrhoid Removal Surgery
- Hemorrhoidectomy
- Piles Surgery
- Internal and External Hemorrhoid Excision
CPT Codes:
- 46255: Hemorrhoidectomy, internal and external, single column/group;
Also known as:
- Anal Fistula Repair with Rectal Flap
- Rectal Advancement Flap for Fistula
- Fistula-in-Ano Repair with Flap
- Anal Fistula Surgery
CPT Codes:
- 46288: Closure of anal fistula with rectal advancement flap
Also known as:
- Chemical Cauterization of Granulation Tissue
- Proud flesh removal
- Chemical burn for wound overgrowth
- Granulation tissue treatment
- Wound cautery
CPT Codes:
- 17250: Chemical cauterization of granulation tissue (ie, proud flesh)
Does Dr. Mills accept my insurance?
Dr. Mills accepts most major insurance plans. Important: Please call our office at (562) 826-8000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mills accept in Orange, CA?
Dr. Mills in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
CalOptima
Centene
Crown Cork and Seal Company
HealthComp
Medicare
Monarch HealthCare
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Mills' office located?
Dr. Steven Mills' Practice 2
1640 Newport Blvd Ste 350
Costa Mesa, CA 92627
(949) 386-5260
Recognitions
Awards
John E. Connolly Award by residents for best teaching
Golden Apple Award by medical students for best teaching
Golden Scalpel Award by medical students for best surgical teaching
Best Doctors in America (Colon & Rectal Surgery)
Physicians of Excellence, Orange County Medical Association
What is Dr. Mills's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mills's National Provider Identifier (NPI) number is 1174633127.
What common questions do patients ask about Dr. Mills?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mills
What is Dr. Steven Mills's specialty?
Dr. Mills is a Colon & Rectal Surgeon (Proctologist) near Orange, CA. 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. Mills to book an appointment today.
Is this Dr. Steven Mills affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mills is affiliated with UCI Medical Center, Hoag Hospital Newport Beach, Providence Mission Hospital Mission Viejo, Kaiser Permanente Riverside Medical Center, AHMC Anaheim Regional Medical Center, PIH Health Whittier Hospital which are a Castle Connolly Top Hospitals. 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 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 Steven Mills accepting new patients in Orange, CA?
Yes, Dr. Steven Mills is accepting new patients at this time.
Does Dr. Steven Mills offer online booking?
Please contact Dr. Mills's office at (562) 826-8000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Steven Mills?
Please contact Dr. Mills's office at (562) 826-8000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Steven Mills have?
Dr. Steven Mills is certified by the American Board of Colon & Rectal Surgery.
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