DR. GREGORY P. NICHOLSON (M.D.) – Sports Medicine (Orthopaedic Surgery) Physician, NPI 1477532141

DR. GREGORY P. NICHOLSON (M.D.) is a healthcare provider. based in Westchester, Illinois. specializing in SPORTS MEDICINE, ORTHOPEDIC SURGERY. They hold the professional credentials M.D.. They hold a License No. 036105551 (IL). The NPI Number for DR. GREGORY P. NICHOLSON (M.D.) is 1477532141

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. GREGORY P. NICHOLSON (M.D.)
NPI
1477532141
Phone
Not provided
Address
1 WESTBROOK CORPORATE CTR
Enumeration Date
11 January 2006
Last Update Date
18 September 2018

Doctor Profile

Medical School Name
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3129425000
Graduation Year
1986 (40 years ago)
PAC ID
0749193696
Group Practice PAC ID
0244143196
Professional Enrollment ID
I20040910000742
Address ID
IL606123833CH1653XPKWY400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

340 SPORTS MEDICINE in IL

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Provider Addresses for DR. GREGORY P. NICHOLSON (M.D.)

  • Westbrook Corporate Center, Westchester, Proviso Township, Cook County, Illinois, United States

    #240

    WESTCHESTER, IL 601545701

    Phone:

    Type: Mailing

  • Subway, 1611, West Harrison Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60607, United States

    STE

    CHICAGO, IL 606123841

    Phone: (312) 243-4244

    Fax: (312) 942-1517

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 110 Open Payments records for all available years, with a total value of $2,619,112.

Total Amount is formed as General ($2,619,112) + Research ($0) + Ownership ($0) = $2,619,112.

Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Stryker Corporation ($2,544,791).

Total Amount

$2,619,112

General + Research + Ownership

Payments

110

Total payment records

General Amount

$2,619,112

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-07

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2016-10-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040910000742ISports MedicineILTBD
I20161024000287ISports MedicineINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J3301Injection, triamcinolone acetonide, not otherwise specified, 10 mg1,372141$0
73030X-ray of shoulder, minimum of 2 views844482$0
99213Established patient office or other outpatient visit, 20-29 minutes400299$0
99212Established patient office or other outpatient visit, 10-19 minutes381277$0
99203New patient office or other outpatient visit, 30-44 minutes204204$0
View full utilization report →

Insurance plans in this area (ZIP 60154)

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Provider's Procedures

DR. GREGORY P. NICHOLSON (M.D.) performs procedures in SPORTS MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
SPORTS MEDICINEIL73562X-ray of knee, 3 views3427

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0244143196View full group profile

Reviews

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Frequently asked questions

Can I verify DR. GREGORY P. NICHOLSON (M.D.) with an NPI only?
You can start verification with NPI 1477532141 for DR. GREGORY P. NICHOLSON (M.D.), then check state licensing separately.
Can I rely on DR. GREGORY P. NICHOLSON (M.D.) being an active provider?
As of the registry snapshot, DR. GREGORY P. NICHOLSON (M.D.) is marked active.
What healthcare role does DR. GREGORY P. NICHOLSON (M.D.) hold?
Scheduling teams often label DR. GREGORY P. NICHOLSON (M.D.) under Sports Medicine (Orthopaedic Surgery) Physician. Clinical services aligned with this taxonomy classification.
Where should I expect DR. GREGORY P. NICHOLSON (M.D.) on a map?
Expect Westchester, Illinois as a primary anchor for DR. GREGORY P. NICHOLSON (M.D.) unless the record lists multiple sites.
Why does DR. GREGORY P. NICHOLSON (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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