Active NPI 1437118247 Individual Practitioner Male Practitioner

Dr. Michael G Zahn , MD

Orthopaedic Surgery • Hamilton, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Zahn, MD is a certified Orthopaedic Surgery practicing in Hamilton, NY. With approximately 46 years of clinical experience since graduating from Stanford University School Of Medicine in 1980, Dr. Zahn delivers high-quality medical care to the local community at 85 COLLEGE ST.

Dr. Zahn is affiliated with Oneida Medical Practice Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, dexamethasone sodium phosphate, 1 mg, established patient outpatient office visit, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

85 College St

Hamilton, NY 133461227

Telephone 3158241250

Fax 3158248961

Associated Practice Facility / Clinic

🏢 College St Orthopedics Facility NPI 1356300545

Medicare Profile & Education

Medical School

Stanford University School Of Medicine

Graduation Year

1980

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Hamilton, NY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

46 Yrs +22.0 yrs vs City Avg

City Avg: 24.0 Yrs

State Avg: 27.2 Yrs

Regional Practice Density

4 Specialists

Practicing in Hamilton, NY (1450 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Zahn (46 Years) 46 Yrs

Hamilton Specialty Average (24.0 Years) 24.0 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
J1100 Injection, dexamethasone sodium phosphate, 1 mg	1,516	91	$1.88	$0.11
99213 Established patient office or other outpatient visit, typically 15 minutes	279	197	$262.03	$83.76
20610 Aspiration and/or injection of fluid from large joint	151	106	$278.14	$67.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$394.84	$101.45
73564 X-ray of knee, 4 or more views	47	36	$153.00	$41.97
73502 X-ray of hip, 2-3 views	40	37	$160.00	$42.85
73030 X-ray of shoulder, minimum of 2 views	38	33	$113.00	$30.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	34	$257.17	$123.89
73562 X-ray of knee, 3 views	34	31	$138.00	$36.75
27447 Replacement of knee joint, both sides of knee	27	24	$4837.85	$1162.82
20610 Aspiration and/or injection of fluid from large joint	22	11	$88.92	$42.34
27130 Replacement of thigh bone and hip joint with prosthesis	19	19	$4814.89	$1164.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$545.06	$158.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	3,169	164	$1.89	$0.12
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	768	12	$114.00	$9.33
99213 Established patient office or other outpatient visit, typically 15 minutes	423	303	$283.00	$85.62
20610 Aspiration and/or injection of fluid from large joint	283	189	$284.87	$67.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	127	127	$417.00	$106.42
73030 X-ray of shoulder, minimum of 2 views	93	72	$113.00	$33.12
73564 X-ray of knee, 4 or more views	80	66	$153.00	$44.69
73502 X-ray of hip, 2-3 views	76	61	$160.00	$45.01
73562 X-ray of knee, 3 views	59	47	$138.00	$38.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	50	$419.00	$120.36
27447 Replacement of knee joint, both sides of knee	42	41	$5289.30	$1221.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$638.00	$159.66
27130 Replacement of thigh bone and hip joint with prosthesis	29	28	$5353.74	$1222.45
73110 X-ray of wrist, minimum of 3 views	20	11	$135.00	$39.23
23472 Prosthetic repair of shoulder joint, total shoulder	15	14	$5743.15	$1376.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	2,188	125	$1.88	$0.12
99213 Established patient office or other outpatient visit, typically 15 minutes	347	252	$283.00	$87.36
20610 Aspiration and/or injection of fluid from large joint	188	143	$267.70	$67.29
73564 X-ray of knee, 4 or more views	105	85	$153.00	$45.31
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$417.00	$108.88
73030 X-ray of shoulder, minimum of 2 views	80	61	$113.00	$33.41
73502 X-ray of hip, 2-3 views	66	60	$160.00	$45.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	57	$419.00	$121.80
73562 X-ray of knee, 3 views	58	51	$138.00	$39.33
27447 Replacement of knee joint, both sides of knee	40	40	$5331.94	$1245.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$638.00	$160.19
27130 Replacement of thigh bone and hip joint with prosthesis	25	25	$5499.84	$1201.36
23472 Prosthetic repair of shoulder joint, total shoulder	13	13	$5649.00	$1402.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$187.00	$81.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	2,500	126	$1.99	$0.15
99213 Established patient office or other outpatient visit, typically 15 minutes	318	236	$283.00	$89.51
20610 Aspiration and/or injection of fluid from large joint	202	137	$350.65	$68.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	135	135	$417.00	$110.56
73564 X-ray of knee, 4 or more views	103	85	$153.00	$44.87
73562 X-ray of knee, 3 views	61	54	$138.00	$38.56
73502 X-ray of hip, 2-3 views	59	52	$160.00	$44.75
73030 X-ray of shoulder, minimum of 2 views	51	40	$113.00	$33.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$638.00	$159.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	42	$419.00	$128.49
27447 Replacement of knee joint, both sides of knee	39	39	$5258.00	$1227.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	16	$196.18	$98.93
27130 Replacement of thigh bone and hip joint with prosthesis	21	21	$5325.65	$1281.42
20610 Aspiration and/or injection of fluid from large joint	18	11	$176.67	$46.67
73140 X-ray of finger, minimum of 2 views	13	12	$124.00	$36.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	2,153	129	$2.50	$0.12
99213 Established patient office or other outpatient visit, typically 15 minutes	288	221	$283.00	$72.73
20610 Aspiration and/or injection of fluid from large joint	190	140	$283.28	$66.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$417.00	$104.76
73564 X-ray of knee, 4 or more views	94	74	$153.00	$42.64
73562 X-ray of knee, 3 views	68	62	$138.00	$37.08
73502 X-ray of hip, 2-3 views	68	53	$160.00	$41.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$638.00	$160.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	49	$419.00	$105.51
73030 X-ray of shoulder, minimum of 2 views	48	38	$113.00	$32.19
27447 Replacement of knee joint, both sides of knee	46	45	$5258.00	$1345.99
27130 Replacement of thigh bone and hip joint with prosthesis	22	20	$5382.62	$1290.83
23472 Prosthetic repair of shoulder joint, total shoulder	13	12	$5649.00	$1443.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	2,622	145	$2.50	$0.11
99213 Established patient office or other outpatient visit, typically 15 minutes	379	275	$283.00	$71.35
20610 Aspiration and/or injection of fluid from large joint	214	151	$272.20	$62.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	137	137	$417.00	$103.06
73564 X-ray of knee, 4 or more views	98	73	$153.00	$40.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	63	$419.00	$102.96
73502 X-ray of hip, 2-3 views	65	56	$160.00	$41.06
73562 X-ray of knee, 3 views	64	55	$138.00	$35.00
27447 Replacement of knee joint, both sides of knee	57	57	$5281.06	$1298.97
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$638.00	$160.03
73030 X-ray of shoulder, minimum of 2 views	50	39	$113.00	$29.13
27130 Replacement of thigh bone and hip joint with prosthesis	26	26	$5364.21	$1322.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	24	$170.00	$43.78
23472 Prosthetic repair of shoulder joint, total shoulder	13	13	$5649.00	$1230.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	3,253	174	$2.50	$0.12
99213 Established patient office or other outpatient visit, typically 15 minutes	421	317	$283.00	$69.77
20610 Aspiration and/or injection of fluid from large joint	259	176	$272.58	$61.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	134	134	$417.00	$102.70
73564 X-ray of knee, 4 or more views	110	79	$153.00	$37.91
73562 X-ray of knee, 3 views	69	60	$138.00	$33.63
73502 X-ray of hip, 2-3 views	68	62	$160.00	$38.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	61	$419.00	$101.18
73030 X-ray of shoulder, minimum of 2 views	60	46	$113.00	$27.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$638.00	$155.45
27447 Replacement of knee joint, both sides of knee	44	41	$5287.88	$1273.46
27130 Replacement of thigh bone and hip joint with prosthesis	17	15	$5340.40	$1304.22
64721 Release and/or relocation of hand nerve	14	12	$1664.00	$409.27
73522 X-ray of both hips, 3-4 views	12	11	$189.00	$46.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$170.00	$42.08
23472 Prosthetic repair of shoulder joint, total shoulder	11	11	$5649.00	$1399.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg	3,822	183	$2.50	$0.11
99213 Established patient office or other outpatient visit, typically 15 minutes	386	276	$145.00	$69.20
20610 Aspiration and/or injection of fluid from large joint	277	184	$209.12	$62.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	116	116	$200.00	$102.58
73564 X-ray of knee, 4 or more views	84	64	$105.00	$37.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	70	$210.00	$102.30
73562 X-ray of knee, 3 views	63	55	$89.00	$33.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$300.00	$157.59
73502 X-ray of hip, 2-3 views	50	45	$80.00	$38.32
27447 Replacement of knee joint, both sides of knee	47	45	$6569.15	$1280.54
73030 X-ray of shoulder, minimum of 2 views	37	30	$110.00	$27.61
27130 Replacement of thigh bone and hip joint with prosthesis	22	22	$7977.27	$1252.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$85.00	$41.75

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License NY 162051

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00954476 (NY)

Hospital & Practice Group Affiliations

Oneida Medical Practice Pc

301 Genesee St-Attn Neurology, Oneida, NY 134212644

Phone: 3153612377

Oneida Medical Practice Pc

321 Genesee St, Oneida, NY 134212611

Phone: 3156062705

Oneida Medical Practice Pc

357 Genesee St, Oneida, NY 134212658

Phone: 3153634651

Oneida Medical Practice Pc

301 Genesee St, Oneida, NY 134212644

Practice Associates & Co-Workers

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

16 Associated Practitioners

Andrew Gracey , MSPT

Physical Therapist

NPI 1073578357

Master of Science in Physical Therapy

Brian Berry , PA

Physician Assistant

NPI 1083601132

Physician Assistant

Dr. Rudolph Buckley , MD

Orthopaedic Surgery - Orthopaedic Surgery of the Spine

NPI 1235121633

Doctor of Medicine (M.D.)

Dr. Ivan Gowan , MD

Orthopaedic Surgery - Sports Medicine

NPI 1235198490

Doctor of Medicine (M.D.)

Kristin Collins , PA-C

Physician Assistant

NPI 1235465071

Physician Assistant (Certified)

Dr. Russell Lafrance , MD

Orthopaedic Surgery

NPI 1245356187

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 18, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location October 18, 2011

Registered at 85 COLLEGE ST, HAMILTON, NY 133461227 (Tel: 3158241250)

📍

Updated Business Mailing Address October 18, 2011

Registered at 85 COLLEGE ST, HAMILTON, NY 133461227 (Tel: 3158241250)

👤

Provider Name / Credentials Updated October 18, 2011

Recorded as MICHAEL ZAHN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 18, 2011

Orthopaedic Surgery (License #162051 in NY)

🟢

Initial NPI Registration & Enumeration March 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1437118247

Entity Type:

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

Enumeration Date: March 21, 2006

Last Update: October 18, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

85 College St

Hamilton, NY 133461227

Phone: 3158241250

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.