Shirley Chan, NPC
Nurse Practitioner · Union City, CA
Shirley Chan, NPC is a nurse practitioner with a practice address in Union City, California, and NPI 1831387240, issued on Oct 10, 2007. Check the license (California NP16306, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shirley Chan
- Credential
- NPC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- NP16306 CA
Self-reported in NPPES; status is on the state search - Practice location
- 33255 Ninth St, Union City, CA 94587
- Phone
- (510) 471-5880
- Enumerated
- Oct 10, 2007
- Record last updated
- Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 471-9051
- Medicare enrollment
- Enrolled (PECOS I20080108000275); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 33255 Ninth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Wicks, NPNurse Practitioner1164440590
Verify Shirley Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP16306Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average nurse practitioner in 2024
1,295 Medicare Part D claims for 163 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium198 claims
- Losartan Potassium117 claims
- Amlodipine Besylate87 claims
- Metformin Hcl72 claims
- Metoprolol Succinate46 claims
- Levothyroxine Sodium45 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 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 one group practice
- City And County OF San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shirley Chan among 8,223 nurse practitioner records in California
Shirley Chan, NPC is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2005 · median 2017 among the 3,425 with a school on file
- Record last updated2007 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Union City → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Martha Cline, NPUnion City, CA 945871174511836
- Jodie Duncan, NPUnion City, CA 945871124109665
- Jeongsim Izadi, RNUnion City, CA 945871639776933
- Laudimir Limqueco, AGPCNPUnion City, CA 945871053962597
- Sarah Wickman Ezell, APRNUnion City, CA 945871285365841
- Lisa Wicks, NPUnion City, CA 945871164440590
- Maren Bohne, FNPPleasanton, CA 945881851835235
- Elizabeth Freitas, NPPleasanton, CA 945881417427469
Common questions
What is Shirley Chan, NPC's NPI number?
Shirley Chan, NPC's National Provider Identifier (NPI) is 1831387240, issued on Oct 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Shirley Chan, NPC located?
The NPPES record lists a practice address at 33255 Ninth St, Union City, CA, 94587. Phone: (510) 471-5880. Providers update this record themselves, so call before visiting.
How can I verify Shirley Chan, NPC's license?
NPPES lists California license number NP16306, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Shirley Chan, NPC prescribe under Medicare Part D?
In 2024, Shirley Chan, NPC had 1,295 Medicare Part D claims for 163 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Shirley Chan, NPC's MIPS final score?
The 2023 MIPS final score is 90.3 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.