Timothy Stocker, M.D.
NPI 1588858781 · Internal Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Stocker, M.D. is a Internal Medicine Physician provider in Sacramento, CA (NPI 1588858781).
Provider details
- NPI number
- 1588858781
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A101386 (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
18 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 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 460 | 173 |
| Amlodipine Besylate | 290 | 125 |
| Lisinopril | 227 | 91 |
| Losartan Potassium | 208 | 77 |
| Rosuvastatin Calcium | 193 | 76 |
| Levothyroxine Sodium | 135 | 54 |
| Meloxicam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-30
- Last updated
- 2021-11-29
- Certified
- 2021-11-29
Frequently asked questions
- What is Timothy Stocker's NPI number?
- Timothy Stocker's National Provider Identifier (NPI) is 1588858781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Stocker's specialty?
- Timothy Stocker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Stocker located?
- Timothy Stocker's practice location on file with NPPES is 4150 V St, Sacramento, CA 95817-1460.
- What is Timothy Stocker's phone number?
- The practice phone number listed in the NPPES registry for Timothy Stocker is (916) 734-7080.
- Does Timothy Stocker accept Medicare?
- Timothy Stocker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Stocker's NPI active?
- Yes — Timothy Stocker's NPI (1588858781) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.