DR. KELLY MAH (M.D.) – Obstetrics & Gynecology Physician, NPI 1053420489

DR. KELLY MAH (M.D.) is a healthcare provider. based in Manteca, California. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials M.D.. They hold a License No. G065156 (CA). The NPI Number for DR. KELLY MAH (M.D.) is 1053420489

Main info

Male
43 Years Of Experience
Accepts Medicare Assignment
Name
DR. KELLY MAH (M.D.)
NPI
1053420489
Phone
(209) 824-2202
Address
1191 E Yosemite Ave Ste C
Enumeration Date
30 August 2006
Last Update Date
7 March 2023

Doctor Profile

Medical School Name
ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Secondary Phone
9193585014
Graduation Year
1983 (43 years ago)
PAC ID
9335556984
Group Practice PAC ID
9234388745
Professional Enrollment ID
I20210325002111
Address ID
CA952046019ST1800XSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

4,008 OBSTETRICS/GYNECOLOGY in CA

Provider Addresses for DR. KELLY MAH (M.D.)

  • 1191 E Yosemite Ave Ste C

    Manteca, CA 953365071

    Phone: (209) 824-2202

    Fax: (209) 824-2205

    Type: Location

  • 421, East Center Street, Manteca, San Joaquin County, California, 95336, United States

    MANTECA, CA 953364718

    Phone: (209) 823-7616

    Fax: (209) 823-4352

    Type: Mailing

  • PO BOX 993

    MANTECA, CA 953361139

    Phone: (209) 612-9077

    Type: Mailing

  • 1205 E NORTH ST

    MANTECA, CA 953364932

    Phone: (209) 612-9077

    Fax: (209) 824-0754

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $25.

Total Amount is formed as General ($25) + Research ($0) + Ownership ($0) = $25.

Last reported payment date: 2024-05-11 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($25).

Total Amount

$25

General + Research + Ownership

Payments

1

Total payment records

General Amount

$25

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-11

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
GlaxoSmithKline, LLC.$25
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: 2021-03-25

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
I20210325002111IObstetrics/GynecologyCATBD

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 95336)

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: 9234388745View full group profile
NameSpecialtyState
Orthopedic SurgeryCA
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
-WA
O B S T E T R I C S/ G Y N E C O L O G YCA
Obstetrics/Gynecology, Family PracticeCA
O B S T E T R I C S/ G Y N E C O L O G YNC
O B S T E T R I C S/ G Y N E C O L O G YFL
-CA

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. KELLY MAH (M.D.)'s NPI number?
DR. KELLY MAH (M.D.)'s NPI is 1053420489 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. KELLY MAH (M.D.)?
You should see DR. KELLY MAH (M.D.) as active in CMS-hosted NPPES data.
What kind of doctor is DR. KELLY MAH (M.D.)?
DR. KELLY MAH (M.D.) is associated with Obstetrics & Gynecology Physician in the directory — Clinical services aligned with this taxonomy classification.
Is DR. KELLY MAH (M.D.) associated with Manteca?
Public fields place DR. KELLY MAH (M.D.) around Manteca, California. Always confirm the exact site before visiting.
What does 5 location(s) imply?
5 practice locations appear in the available data.

Similar Providers

DR. AUTHER ADAMS (MD)

Obstetrics & Gynecology Physician
2740, South Elm Avenue, Fresno, Fresno County, California, 93706, United States
NPI: 1609858257

GEORGE C SCOTT (MD)

Obstetrics & Gynecology Physician
210 N FREMONT ST
NPI: 1942288873

MANTECA MEDICAL GROUP, INC

Internal Medicine Physician
East North Street, Manteca, San Joaquin County, California, 95336-40109, United States
NPI: 1437113065

PREETI J. SRIVATSA (MD)

Obstetrics & Gynecology Physician
1191 E YOSEMITE AVE STE C
NPI: 1659326775

DR. LINDA J BOUCHARD (M.D.)

Obstetrics & Gynecology Physician
1234, East North Street, Manteca, San Joaquin County, California, 95336, United States
NPI: 1275569352

ATHENA MEDICAL CENTER FOR WOMEN, INC

Obstetrics & Gynecology Physician
321, Cherry Lane, Manteca, San Joaquin County, California, 95337, United States
NPI: 1831122316

CYNTHIA M VANATA (DO)

Obstetrics & Gynecology Physician
1144, Norman Drive, Manteca, San Joaquin County, California, 95336, United States
NPI: 1093748006

PRAYUK A. WARAN (MD)

Obstetrics & Gynecology Physician
1262, East North Street, Manteca, San Joaquin County, California, 95336, United States
NPI: 1992819957

Manteca Obstetrics and Gynecology Medical Group

Obstetrics & Gynecology Physician
421, East Center Street, Manteca, San Joaquin County, California, 95336, United States
NPI: 1477654341