Active NPI 1104872258 Individual Practitioner Male Practitioner

William S Nicholson , PA

Physician Assistant • Cooperstown, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Nicholson, PA is a certified Physician Assistant practicing in Cooperstown, NY. With approximately 35 years of clinical experience since completing medical education in 1991, William Nicholson delivers high-quality medical care to the local community at 1 ATWELL RD.

William Nicholson is affiliated with Mary Imogene Bassett Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include aspiration and/or injection of fluid from large joint, established patient outpatient office visit, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Atwell Rd

Cooperstown, NY 133261301

Telephone 6075473909

Fax 6075476325

Associated Practice Facility / Clinic

🏢 Mary Imogene Bassett Hospital Facility NPI 1083664221

Medicare Profile & Education

Medical School

Other

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Cooperstown, NY

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +19.7 yrs vs City Avg

City Avg: 15.3 Yrs

State Avg: 12.0 Yrs

Regional Practice Density

84 Specialists

Practicing in Cooperstown, NY (15701 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

65.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nicholson (35 Years) 35 Yrs

Cooperstown Specialty Average (15.3 Years) 15.3 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
20610 Aspiration and/or injection of fluid from large joint	114	62	$154.57	$42.13
99213 Established patient office or other outpatient visit, typically 15 minutes	78	64	$143.00	$53.49
99213 Established patient office or other outpatient visit, typically 15 minutes	51	40	$143.00	$53.45
20610 Aspiration and/or injection of fluid from large joint	46	27	$158.76	$42.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	27	$202.00	$78.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	14	$202.00	$78.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	71	46	$157.59	$43.38
99213 Established patient office or other outpatient visit, typically 15 minutes	40	36	$140.00	$54.30
99213 Established patient office or other outpatient visit, typically 15 minutes	33	28	$140.00	$54.31
20610 Aspiration and/or injection of fluid from large joint	29	23	$154.79	$40.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$86.00	$29.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$200.00	$80.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	85	47	$154.49	$43.57
99213 Established patient office or other outpatient visit, typically 15 minutes	52	45	$140.00	$55.43
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	33	$86.00	$30.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	23	$86.00	$30.36
99213 Established patient office or other outpatient visit, typically 15 minutes	30	29	$140.00	$54.67
20610 Aspiration and/or injection of fluid from large joint	22	21	$146.18	$41.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	62	40	$154.53	$44.44
99213 Established patient office or other outpatient visit, typically 15 minutes	39	37	$135.38	$56.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	17	$83.80	$30.36
99231 Follow-up hospital inpatient care per day, typically 15 minutes	13	12	$70.00	$30.62
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$138.64	$56.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	54	36	$150.13	$43.68
99213 Established patient office or other outpatient visit, typically 15 minutes	50	40	$119.56	$43.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	33	$172.36	$66.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	11	$70.00	$33.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	58	41	$144.40	$41.20
99213 Established patient office or other outpatient visit, typically 15 minutes	51	42	$117.00	$42.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	37	$171.00	$64.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	14	$72.00	$21.20
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$117.00	$42.53
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$163.00	$83.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	13	12	$70.00	$32.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	21	20	$117.00	$42.31
20610 Aspiration and/or injection of fluid from large joint	19	16	$141.05	$40.06
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$117.00	$42.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	88	46	$145.42	$41.41
99213 Established patient office or other outpatient visit, typically 15 minutes	71	64	$117.00	$41.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	29	$171.00	$64.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	12	$72.00	$20.91

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License NY 006910

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

02147139 (NY)

Hospital & Practice Group Affiliations

Mary Imogene Bassett Hospital

1 Associate Dr, Oneonta, NY 138202266

Phone: 6074336300

Practice Associates & Co-Workers

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

40 Associated Practitioners

Gary Wehner , CRNA

Nurse Anesthetist, Certified Registered

NPI 1013968684

Certified Registered Nurse Anesthetist

Susan Cataffo-Heiland , CNM

Advanced Practice Midwife

NPI 1023061298

Certified Nurse Midwife

Carroll Borowski , CRNA

Nurse Anesthetist, Certified Registered

NPI 1023069051

Certified Registered Nurse Anesthetist

Dr. Patricia Gambitta , PhD

Psychologist

NPI 1023074564

Doctor of Philosophy (Ph.D.)

Brian Howser , CRNA

Nurse Anesthetist, Certified Registered

NPI 1033160932

Certified Registered Nurse Anesthetist

Dr. Lawrence Barnowsky , MD

Radiology - Diagnostic Radiology

NPI 1043275381

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 July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1 ATWELL RD, COOPERSTOWN, NY 133261301 (Tel: 6075473909)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 725, COOPERSTOWN, NY 133260725 (Tel: 6075473909)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as WILLIAM NICHOLSON, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Physician Assistant (License #006910 in NY)

🟢

Initial NPI Registration & Enumeration May 26, 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: 1104872258

Entity Type:

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

Enumeration Date: May 26, 2006

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 725

Cooperstown, NY 133260725

Phone: 6075473909

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.