Dennis Diokno, M.D.
NPI 1568693620 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Diokno, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1568693620).
Provider details
- NPI number
- 1568693620
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A103968 (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
16 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 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 360 | 127 |
| Losartan Potassium | 229 | 80 |
| Levothyroxine Sodium | 176 | 58 |
| Amlodipine Besylate | 170 | 61 |
| Lisinopril | 169 | 59 |
| Fluticasone Propionate | 123 | 41 |
| Hydrochlorothiazide | 104 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-06
- Last updated
- 2022-02-11
Frequently asked questions
- What is Dennis Diokno's NPI number?
- Dennis Diokno's National Provider Identifier (NPI) is 1568693620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Diokno's specialty?
- Dennis Diokno is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Diokno located?
- Dennis Diokno's practice location on file with NPPES is 2425 Geary Blvd, San Francisco, CA 94115.
- What is Dennis Diokno's phone number?
- The practice phone number listed in the NPPES registry for Dennis Diokno is (415) 833-9182.
- Does Dennis Diokno accept Medicare?
- Dennis Diokno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Diokno's NPI active?
- Yes — Dennis Diokno's NPI (1568693620) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.