Serena Lin
Obstetrics & Gynecology Physician · Walnut Creek, CA
Serena Lin is an obstetrics & gynecology physician with a practice address in Walnut Creek, California, and NPI 1366650889, issued on May 18, 2007. Check the license (California A89736, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Serena Lin
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A89736 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Newell Ave, Walnut Creek, CA 94596
- Phone
- (925) 295-4040
- Enumerated
- May 18, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071218000575); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1515 Newell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Chang, D.O.Internal Medicine Physician1205018561
- Whitney Dewalt, M.D.Obstetrics & Gynecology Physician1720382286
- Hannelore Harwood, NPWomen's Health Nurse Practitioner1063599272
- Andrew Lin, M.D.Nephrology Physician1558484857
- Jonathan Nguyen, M.D.Internal Medicine Physician1922549138
- Geraldine Shirzai, MDGynecology Physician1609404284
Verify Serena Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
221 Medicare Part D claims for 115 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol101 claims
- Estring25 claims
- Yuvafem22 claims
- Acyclovir14 claims
- Hydrocortisone13 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: $14.13
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Serena Lin among 5,088 obstetrics & gynecology physician records in California
Serena Lin is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2003 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 obstetrics & gynecology physician records list a practice address in Walnut Creek
They are 56 of the 6,170 NPPES records with a practice address in Walnut Creek, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Walnut Creek → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Derek Abbassi, MDWalnut Creek, CA 945961841364155
- Mehrnoosh Almassi, MDWalnut Creek, CA 945961679622872
- Phuong-Anh Bui, MDWalnut Creek, CA 945961396817102
- Elaine Carlitz, MDWalnut Creek, CA 945961902984065
- Donna Di Cenzo, MDWalnut Creek, CA 945961710039524
- Jean Kayser, MDWalnut Creek, CA 945961659459741
- Sara Mark, MDWalnut Creek, CA 945961417035924
- David Niver, MDWalnut Creek, CA 945961407934573
Common questions
What is Serena Lin's NPI number?
Serena Lin's National Provider Identifier (NPI) is 1366650889, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Serena Lin located?
The NPPES record lists a practice address at 1515 Newell Ave, Walnut Creek, CA, 94596. Phone: (925) 295-4040. Providers update this record themselves, so call before visiting.
How can I verify Serena Lin's license?
NPPES lists California license number A89736, 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 Serena Lin prescribe under Medicare Part D?
In 2024, Serena Lin had 221 Medicare Part D claims for 115 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.