DR. MARY MARGARET PORTER (MD) – Internal Medicine Physician, NPI 1194465476

DR. MARY MARGARET PORTER (MD) is a healthcare provider. based in Oklahoma city, Oklahoma. specializing in INTERNAL MEDICINE, HOSPITALIST. They hold the professional credentials MD. They hold a License No. 39488 (OK). The NPI Number for DR. MARY MARGARET PORTER (MD) is 1194465476

Main info

Female
4 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARY MARGARET PORTER (MD)
NPI
1194465476
Phone
(405) 821-0683
Address
800 STANTON L YOUNG BLVD # 6300
Enumeration Date
1 April 2022
Last Update Date
31 July 2025

Doctor Profile

Medical School Name
UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Secondary Phone
4052724978
Graduation Year
2022 (4 years ago)
PAC ID
5294103859
Group Practice PAC ID
7618400557
Professional Enrollment ID
I20250804003695
Address ID
OK731032620OK1111XAVEX420
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience37
Completeness85
Years active:4State licenses:1Digital endpointsOther names

1,474 INTERNAL MEDICINE in OK

Provider Addresses for DR. MARY MARGARET PORTER (MD)

  • 800 STANTON L YOUNG BLVD # 6300

    OKLAHOMA CITY, OK 731045018

    Phone: (405) 821-0683

    Type: Mailing

  • 800 STANTON L YOUNG BLVD

    OKLAHOMA CITY, OK 731045018

    Phone: (405) 271-2316

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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: 2025-08-04

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
I20250804003695IInternal MedicineOKTBD

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 73104)

Loading plans...

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: 7618400557View full group profile
NameSpecialtyState
Pulmonary Disease, Critical Care (Intensivists), Internal MedicineOK
Internal Medicine, HospitalistNJ
H O S P I T A L I S TOK
Family PracticeOK
Internal MedicineNJ
H O S P I T A L I S TOK
Internal MedicineOK
Emergency Medicine, Family PracticeOK
Family PracticeOK
H O S P I T A L I S TOK

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is DR. MARY MARGARET PORTER (MD)'s NPI number?
DR. MARY MARGARET PORTER (MD)'s NPI is 1194465476 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. MARY MARGARET PORTER (MD)?
You should see DR. MARY MARGARET PORTER (MD) as active in CMS-hosted NPPES data.
What kind of doctor is DR. MARY MARGARET PORTER (MD)?
DR. MARY MARGARET PORTER (MD) is associated with Internal Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
Is DR. MARY MARGARET PORTER (MD) located near Oklahoma City?
DR. MARY MARGARET PORTER (MD) currently maps to Oklahoma City, Oklahoma in this extract.
What does 2 location(s) imply?
2 practice locations appear in the available data.

Similar Providers

ROBERT HOMER ROSWELL (M.D.)

Internal Medicine Physician
1101 FRONTIER CIR
NPI: 1699778126

NEENA SUSAN PHILIP (MD)

Internal Medicine Physician
Northwest 56th Street, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
NPI: 1346244365

EARLENE LAVONE POSSELT (MD)

Internal Medicine Physician
Northwest 56th Street, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
NPI: 1841294865

TIMOTHY H COOK (MD)

Hospitalist Physician
Northwest 56th Street, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
NPI: 1578567533

CURTIS BRIAN WILLIAMS (MD)

Internal Medicine Physician
Northwest 56th Street, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
NPI: 1487658449

MARK G MILES (MD)

Hospitalist Physician
West Danforth Road, Edmond, Oklahoma County, Oklahoma, 73034, United States
NPI: 1255335287

ANDREW N DENTINO (MD)

Internal Medicine Physician
1122 N.E. 13TH ST., ORB 1200
NPI: 1295739126

ROBERT JAMES BECKERLEY (MD)

Hospitalist Physician
3433, Northwest 56th Street, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
NPI: 1639173016

Unknown Individual

Internal Medicine Physician
3433, Northwest 56th Street, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
NPI: 1831194596