Active NPI 1497964084 Individual Practitioner Male Practitioner

Dr. Alan Eldon Harzman , MD

Colon & Rectal Surgery • Columbus, OH

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Alan Harzman, MD is a certified Colon & Rectal Surgery practicing in Columbus, OH. With approximately 25 years of clinical experience since graduating from Washington University School Of Medicine in 2001, Dr. Harzman delivers high-quality medical care to the local community at 1800 ZOLLINGER RD FL 3.

Dr. Harzman is affiliated with Osu Surgery, Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1800 Zollinger Rd Fl 3

Columbus, OH 432212800

Telephone 6143664272

Fax 6143669440

Associated Practice Facility / Clinic

🏢 Osu Neuroscience Center, Llc Facility NPI 1932199254

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Columbus, OH

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs +1.7 yrs vs City Avg

City Avg: 23.3 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

23 Specialists

Practicing in Columbus, OH (124 Statewide)

Telehealth Adoption Rate

43.5% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

70.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Harzman (25 Years) 25 Yrs

Columbus Specialty Average (23.3 Years) 23.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	41	34	$145.00	$62.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$360.00	$126.87
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	27	27	$20.00	$5.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$210.00	$77.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	21	$220.00	$91.99
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$653.14	$167.19
45380 Biopsy of large bowel using an endoscope	12	11	$715.00	$151.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	46	38	$143.70	$63.72
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	37	37	$20.00	$5.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$209.03	$80.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	18	$219.00	$94.07
45380 Biopsy of large bowel using an endoscope	16	16	$715.00	$125.56
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$635.00	$176.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$358.18	$128.80
46600 Diagnostic examination of the anus using an endoscope	11	11	$155.00	$39.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	30	26	$131.50	$66.47
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	25	25	$20.00	$5.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$200.00	$83.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$200.00	$97.43
46600 Diagnostic examination of the anus using an endoscope	14	13	$150.00	$40.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	33	32	$20.00	$5.59
99213 Established patient office or other outpatient visit, typically 15 minutes	32	26	$130.00	$67.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$195.00	$99.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$195.00	$83.97
45380 Biopsy of large bowel using an endoscope	11	11	$705.00	$167.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	35	33	$20.00	$5.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	29	$80.00	$26.00
99213 Established patient office or other outpatient visit, typically 15 minutes	21	20	$130.00	$51.67
99201 New patient office or other outpatient visit, typically 10 minutes	16	16	$75.00	$26.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	37	$75.00	$25.27
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	41	40	$20.00	$5.63
99213 Established patient office or other outpatient visit, typically 15 minutes	33	28	$125.00	$50.55
99201 New patient office or other outpatient visit, typically 10 minutes	23	23	$75.00	$26.62
46600 Diagnostic examination of the anus using an endoscope	19	15	$140.00	$40.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$195.00	$72.96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$860.00	$234.23
45380 Biopsy of large bowel using an endoscope	11	11	$680.00	$188.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	41	$69.17	$24.57
99213 Established patient office or other outpatient visit, typically 15 minutes	37	29	$120.00	$48.90
99201 New patient office or other outpatient visit, typically 10 minutes	33	33	$65.00	$26.29
46600 Diagnostic examination of the anus using an endoscope	25	22	$140.00	$40.65
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	24	24	$20.00	$5.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$175.00	$71.71
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$120.00	$49.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	37	30	$110.00	$49.78
99201 New patient office or other outpatient visit, typically 10 minutes	31	31	$65.00	$25.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	24	$65.00	$23.62
46600 Diagnostic examination of the anus using an endoscope	21	17	$140.00	$40.20
45380 Biopsy of large bowel using an endoscope	17	17	$680.00	$158.91
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	17	17	$20.00	$5.53
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$110.00	$46.92
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	16	16	$45.00	$11.20
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$865.00	$220.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$165.00	$74.89

Medical Specialties & State Licenses

CMS Verified: 2026-07-17

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License OH 35089388

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Surgery

NUCC Taxonomy Code: 208600000X

State License OH 35089388

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Osu Surgery, Llc

2050 Kenny Rd, Columbus, OH 432213502

Phone: 6143666675

Osu Surgery, Llc

410 W 10th Ave, Columbus, OH 432101240

Phone: 6142933230

Osu Surgery, Llc

450 W 10th Ave, Columbus, OH 432101240

Phone: 6142933230

Osu Surgery, Llc

460 W 10th Ave, Columbus, OH 432101240

Phone: 6142932101

Osu Surgery, Llc

1800 Zollinger Rd, Columbus, OH 432212849

Phone: 6142933230

Osu Surgery, Llc

452 W 10th Ave, Columbus, OH 432101240

Phone: 6142935502

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

15 Associated Practitioners

Stephanie Dolan , APRN-CNP

Nurse Practitioner - Family

NPI 1154655314

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Jasmine Grayson , APRN-CNP

Nurse Practitioner

NPI 1285369066

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Dr. Charles James , MD

Colon & Rectal Surgery

NPI 1316397268

Doctor of Medicine (M.D.)

Dr. Rami James Aoun , MD

Colon & Rectal Surgery

NPI 1366975096

Doctor of Medicine (M.D.)

Katherine Becher , APRN-CNP

Nurse Practitioner

NPI 1427727601

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Shayla Tomsic , PA-C

Physician Assistant

NPI 1568028637

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events

📍

Updated Practice Location July 17, 2026

Registered at 1800 ZOLLINGER RD FL 3, COLUMBUS, OH 432212800 (Tel: 6143664272)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 17, 2026

Colon & Rectal Surgery (License #35089388 in OH)

📍

Updated Business Mailing Address January 21, 2021

Registered at 700 ACKERMAN RD STE 2120, COLUMBUS, OH 432021559 (Tel: 6142933230)

📍

Updated Practice Location August 27, 2018

Registered at 1800 ZOLLINGER RD, COLUMBUS, OH 43221 (Tel: 6142933230)

📍

Updated Business Mailing Address August 27, 2018

Registered at 700 ACKERMAN RD STE 570, COLUMBUS, OH 432021579 (Tel: 6142933230)

✅

NPI Profile Active August 18, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location August 18, 2014

Registered at 4830 KNIGHTSBRIDGE BLVD, SUITE J, COLUMBUS, OH 432142300 (Tel: 6146859044)

📍

Updated Business Mailing Address August 18, 2014

Registered at 700 ACKERMAN RD, SUITE 570, COLUMBUS, OH 432021559 (Tel: 6146859044)

👤

Provider Name / Credentials Updated August 18, 2014

Recorded as ALAN HARZMAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2014

Surgery (License #35089388 in OH)

🟢

Initial NPI Registration & Enumeration May 21, 2007

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1497964084

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 21, 2007

Last Update: July 17, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

700 Ackerman Rd Ste 2120

Columbus, OH 432021559

Phone: 6143664272

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.