Derek Blechinger, M.D.
NPI 1063839462 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Blechinger, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1063839462).
Provider details
- NPI number
- 1063839462
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 137927 (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
12 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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 271 | 82 |
| Lisinopril | 168 | 51 |
| Amlodipine Besylate | 165 | 47 |
| Acyclovir | 91 | 25 |
| Levothyroxine Sodium | 85 | 18 |
| Terazosin Hcl | 84 | 25 |
| Tamsulosin Hcl | 81 | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-24
- Last updated
- 2022-02-11
Frequently asked questions
- What is Derek Blechinger's NPI number?
- Derek Blechinger's National Provider Identifier (NPI) is 1063839462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Blechinger's specialty?
- Derek Blechinger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Blechinger located?
- Derek Blechinger's practice location on file with NPPES is 4141 Geary Blvd, San Francisco, CA 94118-3109.
- What is Derek Blechinger's phone number?
- The practice phone number listed in the NPPES registry for Derek Blechinger is (415) 833-4414.
- Does Derek Blechinger accept Medicare?
- Derek Blechinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Blechinger's NPI active?
- Yes — Derek Blechinger's NPI (1063839462) 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.