William Tallakson, M.D.
NPI 1063497212 · Internal Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tallakson, M.D. is a Internal Medicine Physician provider in Sacramento, CA (NPI 1063497212).
Provider details
- NPI number
- 1063497212
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A84686 (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
20 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 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 871 | 301 |
| Amlodipine Besylate | 422 | 154 |
| Losartan Potassium | 327 | 114 |
| Lisinopril | 325 | 114 |
| Levothyroxine Sodium | 323 | 102 |
| Rosuvastatin Calcium | 295 | 108 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-09
- Last updated
- 2021-12-06
Frequently asked questions
- What is William Tallakson's NPI number?
- William Tallakson's National Provider Identifier (NPI) is 1063497212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tallakson's specialty?
- William Tallakson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Tallakson located?
- William Tallakson's practice location on file with NPPES is 4150 V St, Sacramento, CA 95817-1460.
- What is William Tallakson's phone number?
- The practice phone number listed in the NPPES registry for William Tallakson is (916) 734-7080.
- Does William Tallakson accept Medicare?
- William Tallakson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tallakson's NPI active?
- Yes — William Tallakson's NPI (1063497212) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.