NPPES file of Aug 9, 2026

Yingchih Lin, MD

Family Medicine Physician · Sunnyvale, CA

Yingchih Lin, MD is a family medicine physician with a practice address in Sunnyvale, California, and NPI 1194817635, issued on Sep 29, 2006. Check the license (California G085438, 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
1194817635
Name
Yingchih Lin
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G085438 CA
Self-reported in NPPES; status is on the state search
Practice location
499 S Sunnyvale Ave, Sunnyvale, CA 94086
Phone
(408) 487-9800
Enumerated
Sep 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 481-9880
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Yingchih Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G085438
    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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99% fewer Medicare Part D claims than the average family medicine physician in 2024

31 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Yingchih Lin31
  2. Specialty average3,544

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.

Yingchih Lin among 17,133 family medicine physician records in California

Yingchih Lin, MD 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2007 · 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. Kimberley Ma, D.OSunnyvale, CA 940861023384260

Common questions

What is Yingchih Lin, MD's NPI number?

Yingchih Lin, MD's National Provider Identifier (NPI) is 1194817635, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yingchih Lin, MD located?

The NPPES record lists a practice address at 499 S Sunnyvale Ave, Sunnyvale, CA, 94086. Phone: (408) 487-9800. Providers update this record themselves, so call before visiting.

How can I verify Yingchih Lin, MD's license?

NPPES lists California license number G085438, 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 Yingchih Lin, MD prescribe under Medicare Part D?

In 2024, Yingchih Lin, MD had 31 Medicare Part D claims; 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.