Derek Hauser, D.O.
NPI 1093961757 · Geriatric Medicine (Internal Medicine) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Hauser, D.O. is a Geriatric Medicine (Internal Medicine) Physician provider in San Diego, CA (NPI 1093961757).
Provider details
- NPI number
- 1093961757
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A10044 (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
17 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 63 |
| Atorvastatin Calcium | 57 |
| Amlodipine Besylate | 48 |
| Alendronate Sodium | 41 |
| Trazodone Hcl | 36 |
| Lisinopril | 35 |
| Metoprolol Tartrate | 30 |
| Metoprolol Succinate | 27 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-13
- Last updated
- 2021-10-14
- Certified
- 2021-10-14
Frequently asked questions
- What is Derek Hauser's NPI number?
- Derek Hauser's National Provider Identifier (NPI) is 1093961757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Hauser's specialty?
- Derek Hauser is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Hauser located?
- Derek Hauser's practice location on file with NPPES is 5034 February St, San Diego, CA 92110-1211.
- What is Derek Hauser's phone number?
- The practice phone number listed in the NPPES registry for Derek Hauser is (661) 317-7032.
- Does Derek Hauser accept Medicare?
- Derek Hauser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Hauser's NPI active?
- Yes — Derek Hauser's NPI (1093961757) is active in the NPPES registry as of the last update on 2021-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.