Peter Knudsen, M.D.
NPI 1326276585 · Psychiatry Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Knudsen, M.D. is a Psychiatry Physician provider in Sacramento, CA (NPI 1326276585).
Provider details
- NPI number
- 1326276585
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A118509 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-26
- Last updated
- 2021-12-15
Frequently asked questions
- What is Peter Knudsen's NPI number?
- Peter Knudsen's National Provider Identifier (NPI) is 1326276585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Knudsen's specialty?
- Peter Knudsen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Knudsen located?
- Peter Knudsen's practice location on file with NPPES is 2230 Stockton Blvd, Sacramento, CA 95817-1353.
- What is Peter Knudsen's phone number?
- The practice phone number listed in the NPPES registry for Peter Knudsen is (916) 734-3574.
- Does Peter Knudsen accept Medicare?
- Peter Knudsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Knudsen's NPI active?
- Yes — Peter Knudsen's NPI (1326276585) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.