NPPES file of Aug 9, 2026

Kimberley Faith Ma, D.O

Family Medicine Physician · Sunnyvale, CA

Kimberley Faith Ma, D.O is a family medicine physician with a practice address in Sunnyvale, California, and NPI 1023384260, issued on Mar 30, 2012. Check the license (California 20A13039, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023384260
Name
Kimberley Faith Ma
Credential
D.O
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A13039 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Old San Francisco RD, Sunnyvale, CA 94086
Phone
(408) 730-4262
Enumerated
Mar 30, 2012
Record last updated
May 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151022000621); accepts Medicare assignment
Medical or professional school
Western University Of Health Sciences College Of Dental Med, 2012
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 301 Old San Francisco RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zubia Ahmad, MDInternal Medicine Physician1265879522
  2. Syed Salman Ali, MDInternal Medicine Physician1740621671
  3. Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
  4. Aisha AminInternal Medicine Physician1013440981
  5. Joyce Ang, MDPediatrics Physician1346634698
  6. Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709

Verify Kimberley Faith Ma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A13039
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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64% fewer Medicare Part D claims than the average family medicine physician in 2024

1,285 Medicare Part D claims for 158 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Kimberley Ma1,285
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium132 claims
  2. Amlodipine Besylate69 claims
  3. Losartan Potassium54 claims
  4. Metformin Hcl48 claims
  5. Lisinopril46 claims
  6. Simvastatin35 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $124.98

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kimberley Ma$124.98
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSunnyvale, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kimberley Faith Ma among 17,133 family medicine physician records in California

Kimberley Faith Ma, D.O is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.

  • NPI issued2012 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2012 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 family medicine physician records list a practice address in Sunnyvale

They are 33 of the 1,690 NPPES records with a practice address in Sunnyvale, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lulua Bahrainwala, MD, MSSunnyvale, CA 940861568949709
  2. Andreea Doaga, MDSunnyvale, CA 940861730387853
  3. Ying GuoSunnyvale, CA 940861871054338
  4. Barry Hansen, MDSunnyvale, CA 940861184663825
  5. Justin JuanSunnyvale, CA 940861942788823
  6. Angie Li, MDSunnyvale, CA 940861932636396
  7. Jian Ying Liang, MDSunnyvale, CA 940861316989296
  8. Yingchih Lin, MDSunnyvale, CA 940861194817635

Common questions

What is Kimberley Faith Ma, D.O's NPI number?

Kimberley Faith Ma, D.O's National Provider Identifier (NPI) is 1023384260, issued on Mar 30, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kimberley Faith Ma, D.O located?

The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4262. Providers update this record themselves, so call before visiting.

How can I verify Kimberley Faith Ma, D.O's license?

NPPES lists California license number 20A13039, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kimberley Faith Ma, D.O prescribe under Medicare Part D?

In 2024, Kimberley Faith Ma, D.O had 1,285 Medicare Part D claims for 158 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.