Maria Lau, D.O.
Family Medicine Physician · San Francisco, CA
Maria Lau, D.O. is a family medicine physician with a practice address in San Francisco, California, and NPI 1043575491, issued on Jul 11, 2012. Check the license (California 20A13675, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Lau
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A13675 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Noriega St, San Francisco, CA 94122
- Phone
- (415) 391-9686
- Enumerated
- Jul 11, 2012
- Record last updated
- Jul 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1450 Noriega St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sze Man Chan, RNGeneral Practice Registered Nurse1598269011
- Chia-Yu HsuAdult Health Nurse Practitioner1497166144
- Wai-Hang Lam, M.D.Family Medicine Physician1063669224
- Diana Lin, RNRegistered Nurse1912624214
- Hai Yan Pan, R.N.Community Health Registered Nurse1790003986
- Pyone Wai Wai Soe, M.D.Internal Medicine Physician1124379656
Verify Maria Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average family medicine physician in 2024
4,089 Medicare Part D claims for 421 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium610 claims
- Amlodipine Besylate389 claims
- Losartan Potassium309 claims
- Rosuvastatin Calcium147 claims
- Lisinopril121 claims
- Metformin Hcl112 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.
Maria Lau among 17,133 family medicine physician records in California
Maria Lau, 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 fileNo · 62% of these records are
- Record last updated2015 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wai-Lam Chan, M.D.San Francisco, CA 941221891791877
- Frank Chen, M.D.San Francisco, CA 941221104010586
- Aaron Del Tredici, MDSan Francisco, CA 941221891822888
- Annette Enriquez, M.D, PH.D.San Francisco, CA 941221770693863
- Winston Goh, MDSan Francisco, CA 941221992930242
- Lisa Golden, MDSan Francisco, CA 941221699892067
- Elizabeth Johnson, MDSan Francisco, CA 941221558493585
- Wai-Hang Lam, M.D.San Francisco, CA 941221063669224
Common questions
What is Maria Lau, D.O.'s NPI number?
Maria Lau, D.O.'s National Provider Identifier (NPI) is 1043575491, issued on Jul 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Maria Lau, D.O. located?
The NPPES record lists a practice address at 1450 Noriega St, San Francisco, CA, 94122. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.
How can I verify Maria Lau, D.O.'s license?
NPPES lists California license number 20A13675, 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 Maria Lau, D.O. prescribe under Medicare Part D?
In 2024, Maria Lau, D.O. had 4,089 Medicare Part D claims for 421 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.