Jonathan Chan, D.O.
NPI 1104016294 · Family Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Chan, D.O. is a Family Medicine Physician provider in San Diego, CA (NPI 1104016294).
Provider details
- NPI number
- 1104016294
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A9376 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 347 | 137 |
| Rosuvastatin Calcium | 148 | 59 |
| Lisinopril | 116 | 48 |
| Levothyroxine Sodium | 106 | 35 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 81 | 28 |
| Losartan Potassium | 80 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-26
- Last updated
- 2021-11-22
Frequently asked questions
- What is Jonathan Chan's NPI number?
- Jonathan Chan's National Provider Identifier (NPI) is 1104016294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Chan's specialty?
- Jonathan Chan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Chan located?
- Jonathan Chan's practice location on file with NPPES is 9333 Genesee Ave, San Diego, CA 92121-2111.
- What is Jonathan Chan's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Chan is (858) 657-8600.
- Does Jonathan Chan accept Medicare?
- Jonathan Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Chan's NPI active?
- Yes — Jonathan Chan's NPI (1104016294) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.