David Timmer, MD
NPI 1952987661 · Hospitalist Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Timmer, MD is a Hospitalist Physician provider in San Diego, CA (NPI 1952987661).
Provider details
- NPI number
- 1952987661
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1952987661 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 15 |
| Losartan Potassium | 27 | — |
| Empagliflozinbrand: Jardiance | 23 | — |
| Fluticasone Propionate | 19 | — |
| Tamsulosin Hcl | 17 | — |
| Rosuvastatin Calcium | 16 | — |
| Carvedilol | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 9300 Campus Point DrLa Jolla, CA 92037-1300Phone: (800) 926-8273
Registry dates
- Enumerated
- 2021-03-23
- Last updated
- 2025-02-12
- Certified
- 2025-02-12
Frequently asked questions
- What is David Timmer's NPI number?
- David Timmer's National Provider Identifier (NPI) is 1952987661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Timmer's specialty?
- David Timmer is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is David Timmer located?
- David Timmer's practice location on file with NPPES is 200 W. Arbor Dr., San Diego, CA 92103-8425.
- What is David Timmer's phone number?
- The practice phone number listed in the NPPES registry for David Timmer is (619) 543-6268.
- Does David Timmer accept Medicare?
- David Timmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Timmer's NPI active?
- Yes — David Timmer's NPI (1952987661) is active in the NPPES registry as of the last update on 2025-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.