NPPES file of Aug 9, 2026

Grace Lin, M.D.

Family Medicine Physician · Ventura, CA

Grace Lin, M.D. is a family medicine physician with a practice address in Ventura, California, and NPI 1457571895, issued on Apr 26, 2007. Check the license (California A88927, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457571895
Name
Grace Lin
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A88927 CA
Self-reported in NPPES; status is on the state search
Practice location
3291 Loma Vista RD, Ventura, CA 93003
Phone
(805) 652-6100
Enumerated
Apr 26, 2007
Record last updated
Jul 14, 2023
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.
Download card Updates feed

Also registered at 3291 Loma Vista RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brad Adler, M.D.Anatomic Pathology Physician1003979618
  2. Alejandro Andrade, M.D.Family Medicine Physician1770713190
  3. James Appel, MDFamily Medicine Physician1083939706
  4. David Araujo, M.D.Family Medicine Physician1114955994
  5. Maria Arizmendi, M.D.Pediatrics Physician1366641961
  6. Ralph Armstrong, M.D.Psychiatry Physician1518016443

Verify Grace 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 A88927
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average family medicine physician in 2024

76 Medicare Part D claims for 55 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Grace Lin76
  2. Specialty average3,544

Most prescribed

  1. Ondansetron Odt12 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): 87.2 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.

  1. Qualityout of 100 · 30% of the final score84.1
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

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

Grace Lin, M.D. 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2023 · 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).

234 family medicine physician records list a practice address in Ventura

They are 234 of the 4,435 NPPES records with a practice address in Ventura, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Charles Adams, M.D.Ventura, CA 930031811925225
  2. Veronica Butler, M.D.Ventura, CA 930031063472736
  3. Eric Chun, M.D.Ventura, CA 930031699702381
  4. Michelle Daucett, D.O.Ventura, CA 930031003873035
  5. Derrick Dcosta, M.D.Ventura, CA 930031487699005
  6. James Hermann, M.D.Ventura, CA 930031861442899
  7. Theodore Hole, M.D.Ventura, CA 930031104873611
  8. Andrew Kerr, M.D.Ventura, CA 930031487695078

Common questions

What is Grace Lin, M.D.'s NPI number?

Grace Lin, M.D.'s National Provider Identifier (NPI) is 1457571895, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Grace Lin, M.D. located?

The NPPES record lists a practice address at 3291 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 652-6100. Providers update this record themselves, so call before visiting.

How can I verify Grace Lin, M.D.'s license?

NPPES lists California license number A88927, 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 Grace Lin, M.D. prescribe under Medicare Part D?

In 2024, Grace Lin, M.D. had 76 Medicare Part D claims for 55 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Grace Lin, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.2 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.