Jonathan Grigsby, D.O.
NPI 1932549623 · Family Medicine Physician · Gilroy, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Grigsby, D.O. is a Family Medicine Physician provider in Gilroy, CA (NPI 1932549623).
Provider details
- NPI number
- 1932549623
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A12866 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 84 | 32 |
| Atorvastatin Calcium | 83 | 38 |
| Dulaglutidebrand: Trulicity | 77 | 16 |
| Losartan Potassium | 75 | 28 |
| Rosuvastatin Calcium | 72 | 25 |
| Levothyroxine Sodium | 63 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$246 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-27
- Last updated
- 2024-08-16
- Certified
- 2024-08-16
Frequently asked questions
- What is Jonathan Grigsby's NPI number?
- Jonathan Grigsby's National Provider Identifier (NPI) is 1932549623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Grigsby's specialty?
- Jonathan Grigsby is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Grigsby located?
- Jonathan Grigsby's practice location on file with NPPES is 7526 Monterey St, Gilroy, CA 95020-5826.
- What is Jonathan Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Grigsby is (408) 848-9400.
- Does Jonathan Grigsby accept Medicare?
- Jonathan Grigsby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Grigsby's NPI active?
- Yes — Jonathan Grigsby's NPI (1932549623) is active in the NPPES registry as of the last update on 2024-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.