NPPES file of Aug 9, 2026

Jonathan Sharp Grigsby, D.O.

Family Medicine Physician · Gilroy, CA

Jonathan Sharp Grigsby, D.O. is a family medicine physician with a practice address in Gilroy, California, and NPI 1932549623, issued on Jun 27, 2013. Check the license (California 20A12866, 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
1932549623
Name
Jonathan Sharp Grigsby
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A12866 CA
Self-reported in NPPES; status is on the state search
Practice location
7526 Monterey St, Gilroy, CA 95020
Phone
(408) 848-9400
Enumerated
Jun 27, 2013
Record last updated
Aug 16, 2024
Fax
(408) 848-9464
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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Also registered at 7526 Monterey St

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

  1. Ellen Joy CruzGeneral Practice Dentistry1326788308
  2. Anisa DahirPhysician Assistant1841069135
  3. Asma Dahir, PAMedical Physician Assistant1689353633
  4. Chi Dinh, DMDGeneral Practice Dentistry1023147477
  5. Ha HoangDentist1770366957
  6. Tiffany Huang, DMDDentist1487573150

Verify Jonathan Sharp Grigsby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A12866
    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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42% fewer Medicare Part D claims than the average family medicine physician in 2024

2,038 Medicare Part D claims for 155 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Jonathan Grigsby2,038
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate84 claims
  2. Atorvastatin Calcium83 claims
  3. Trulicity77 claims
  4. Losartan Potassium75 claims
  5. Rosuvastatin Calcium72 claims
  6. Levothyroxine Sodium63 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: $246.44

7 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Grigsby$246.44
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Jonathan Sharp Grigsby among 17,133 family medicine physician records in California

Jonathan Sharp Grigsby, D.O. 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 2013, is newer than 68% of them.

  • NPI issued2013 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2024 · 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).

28 family medicine physician records list a practice address in Gilroy

They are 28 of the 2,100 NPPES records with a practice address in Gilroy, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joseph Barbara, M.D.Gilroy, CA 950201831119486
  2. Henry Chua, MDGilroy, CA 950201164457370
  3. Richard Dohn, M.DGilroy, CA 950201558384446
  4. Lawrence Gamboa, M.D.Gilroy, CA 950201407872187
  5. Roy Johnson, MDGilroy, CA 950201275619793
  6. Smitha Kumar, MDGilroy, CA 950201619965688
  7. Jocelyn Lim, D.OGilroy, CA 950201770507071
  8. Roger Lucero, MDGilroy, CA 950201437136801

Common questions

What is Jonathan Sharp Grigsby, D.O.'s NPI number?

Jonathan Sharp Grigsby, D.O.'s National Provider Identifier (NPI) is 1932549623, issued on Jun 27, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Sharp Grigsby, D.O. located?

The NPPES record lists a practice address at 7526 Monterey St, Gilroy, CA, 95020. Phone: (408) 848-9400. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Sharp Grigsby, D.O.'s license?

NPPES lists California license number 20A12866, 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 Jonathan Sharp Grigsby, D.O. prescribe under Medicare Part D?

In 2024, Jonathan Sharp Grigsby, D.O. had 2,038 Medicare Part D claims for 155 beneficiaries; 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.