GREGORY C. SR. BOLTON (M.D.) – Obstetrics & Gynecology Physician, NPI 1043248271

GREGORY C. SR. BOLTON (M.D.) is a healthcare provider. based in Wynnewood, Pennsylvania. specializing in Obstetrics & Gynecology Physician. They hold the professional credentials M.D.. They hold a License No. MD035094L (PA). The NPI Number for GREGORY C. SR. BOLTON (M.D.) is 1043248271

Main info

Male
54 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY C. SR. BOLTON (M.D.)
NPI
1043248271
Phone
(610) 896-4380
Address
100 E Lancaster Ave
Enumeration Date
28 June 2006
Last Update Date
3 January 2018

Doctor Profile

Medical School Name
PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Secondary Phone
-
Graduation Year
1972 (54 years ago)
PAC ID
9931394707
Group Practice PAC ID
1951215201
Professional Enrollment ID
I20101108000282
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for GREGORY C. SR. BOLTON (M.D.)

  • 100 E Lancaster Ave

    Suite 353 MOB East

    Wynnewood, PA 190963450

    Phone: (610) 896-4380

    Fax: (610) 649-8058

    Type: Location

  • 100 E LANCASTER AVE STE 135

    WYNNEWOOD, PA 190963453

    Phone: (610) 896-4380

    Fax: (484) 572-0151

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $80.

Total Amount is formed as General ($80) + Research ($0) + Ownership ($0) = $80.

Last reported payment date: 2024-04-11 • Largest payer in this snapshot: Merz North America, Inc. ($64).

Total Amount

$80

General + Research + Ownership

Payments

2

Total payment records

General Amount

$80

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-11

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: 2010-11-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20101108000282IObstetrics/GynecologyPATBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 19096)

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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: 1951215201View full group profile

Reviews

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Frequently asked questions

How do payers reference GREGORY C. SR. BOLTON (M.D.)?
For GREGORY C. SR. BOLTON (M.D.), use NPI 1043248271 as the unique 10-digit identifier.
Is GREGORY C. SR. BOLTON (M.D.) still an active registrant?
GREGORY C. SR. BOLTON (M.D.) carries an active NPI according to the public dataset.
What clinical focus is listed for GREGORY C. SR. BOLTON (M.D.)?
At a glance, GREGORY C. SR. BOLTON (M.D.) is tied to Obstetrics & Gynecology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with GREGORY C. SR. BOLTON (M.D.)?
Directory geography for GREGORY C. SR. BOLTON (M.D.) centers on Wynnewood, Pennsylvania.
Does GREGORY C. SR. BOLTON (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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