Sai Ying May Tang, NP
Adult Health Nurse Practitioner · San Francisco, CA
Sai Ying May Tang, NP is an adult health nurse practitioner with a practice address in San Francisco, California, and NPI 1164772448, issued on Sep 14, 2012. Check the license (California 21809, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sai Ying May Tang
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 21809 CA
Self-reported in NPPES; status is on the state search - Practice location
- 888 Paris St, San Francisco, CA 94112
- Phone
- (415) 677-2488
- Enumerated
- Sep 14, 2012
- Record last updated
- Sep 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (415) 217-4199
- Medicare enrollment
- Enrolled (PECOS I20121109000412); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →
Verify Sai Ying May Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
85 Medicare Part D claims for 57 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Alameda Health SystemOakland, CA
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sai Ying May Tang among 1,405 adult health nurse practitioner records in California
Sai Ying May Tang, NP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% 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 47% of them.
- NPI issued2012 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated2011 · median 2013 among the 441 with a school on file
- Record last updated2015 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in California
There are 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in San Francisco → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Chris Lee, NPSan Francisco, CA 941121760987432
- Dena Bushman, RN, NP, MPHSan Francisco, CA 941111487900940
- Bernadette Donovan, NPSan Francisco, CA 941111942536131
- Moriah Oxnard, N.P.San Francisco, CA 941111659765212
- Maya Armenta, MSN, NPSan Francisco, CA 941101144569534
- Sari Bushman, ADULT NPSan Francisco, CA 941101508005992
- Alyson Decker, N.P.San Francisco, CA 941101669846093
- Amanda Halpin, RN, NP, IBCLCSan Francisco, CA 941101972875706
Common questions
What is Sai Ying May Tang, NP's NPI number?
Sai Ying May Tang, NP's National Provider Identifier (NPI) is 1164772448, issued on Sep 14, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sai Ying May Tang, NP located?
The NPPES record lists a practice address at 888 Paris St, San Francisco, CA, 94112. Phone: (415) 677-2488. Providers update this record themselves, so call before visiting.
How can I verify Sai Ying May Tang, NP's license?
NPPES lists California license number 21809, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sai Ying May Tang, NP prescribe under Medicare Part D?
In 2024, Sai Ying May Tang, NP had 85 Medicare Part D claims for 57 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Sai Ying May Tang, NP's MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.