Joanna Gunn, MD
NPI 1427106210 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Gunn, MD is a Internal Medicine Physician provider in San Diego, CA (NPI 1427106210).
Provider details
- NPI number
- 1427106210
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A89978 (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
19 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 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 472 | 175 |
| Rosuvastatin Calcium | 322 | 118 |
| Levothyroxine Sodium | 293 | 100 |
| Losartan Potassium | 219 | 83 |
| Lisinopril | 210 | 81 |
| Amlodipine Besylate | 210 | 81 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-11-18
Frequently asked questions
- What is Joanna Gunn's NPI number?
- Joanna Gunn's National Provider Identifier (NPI) is 1427106210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Gunn's specialty?
- Joanna Gunn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Gunn located?
- Joanna Gunn's practice location on file with NPPES is 4405 Vandever Ave, San Diego, CA 92120-3315.
- What is Joanna Gunn's phone number?
- The practice phone number listed in the NPPES registry for Joanna Gunn is (619) 528-5000.
- Does Joanna Gunn accept Medicare?
- Joanna Gunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Gunn's NPI active?
- Yes — Joanna Gunn's NPI (1427106210) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.