GREGORY O APPLETON (M.D.) – Cardiovascular Disease Physician, NPI 1114927928

GREGORY O APPLETON (M.D.) is a healthcare provider. based in Spring, Texas. specializing in CARDIOVASCULAR DISEASE (CARDIOLOGY). They hold the professional credentials M.D.. They hold a License No. L6265 (TX). The NPI Number for GREGORY O APPLETON (M.D.) is 1114927928

Main info

Male
Sole Proprietor
37 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY O APPLETON (M.D.)
NPI
1114927928
Phone
(281) 579-0061
Address
8006 HERTFORDSHIRE CIR
Enumeration Date
22 July 2005
Last Update Date
30 September 2009

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Secondary Phone
7137900500
Graduation Year
1989 (37 years ago)
PAC ID
4587550249
Group Practice PAC ID
3678602802
Professional Enrollment ID
I20040227000591
Address ID
TX770301502HO6441XSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

2,430 CARDIOVASCULAR DISEASE (CARDIOLOGY) in TX

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Provider Addresses for GREGORY O APPLETON (M.D.)

  • 8006, Hertfordshire Circle, Memorial Northwest, Harris County, Texas, 77379, United States

    SPRING, TX 773794645

    Phone: (281) 579-0061

    Fax: (281) 579-0093

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2004-02-27

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
I20040227000591ICardiovascular Disease (Cardiology)TXTBD

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 77379)

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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: 3678602802View full group profile
NameSpecialtyState
-CA
-CA
-CO
Internal Medicine, HospitalistWV
-NM
Hospitalist, Osteopathic Manipulative Medicine, Family PracticeCO
-CO
General SurgeryTN
Diagnostic RadiologyCA
-IL

Reviews

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Frequently asked questions

What is GREGORY O APPLETON (M.D.)'s NPI number?
GREGORY O APPLETON (M.D.)'s NPI is 1114927928 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to GREGORY O APPLETON (M.D.)?
You should see GREGORY O APPLETON (M.D.) as active in CMS-hosted NPPES data.
What kind of doctor is GREGORY O APPLETON (M.D.)?
GREGORY O APPLETON (M.D.) is associated with Cardiovascular Disease Physician in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with GREGORY O APPLETON (M.D.)?
Directory geography for GREGORY O APPLETON (M.D.) centers on Spring, Texas.
When was this NPI issued?
Enumeration for GREGORY O APPLETON (M.D.) is noted as July 22, 2005 where the registry provides it.

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