Daniel Penn, MD
NPI 1578647566 · Diagnostic Radiology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Penn, MD is a Diagnostic Radiology Physician provider in Santa Rosa, CA (NPI 1578647566).
Provider details
- NPI number
- 1578647566
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A82741 (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
19 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
- 2006-10-25
- Last updated
- 2021-12-09
Frequently asked questions
- What is Daniel Penn's NPI number?
- Daniel Penn's National Provider Identifier (NPI) is 1578647566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Penn's specialty?
- Daniel Penn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Penn located?
- Daniel Penn's practice location on file with NPPES is 401 Bicentennial Way, Santa Rosa, CA 95403-2149.
- What is Daniel Penn's phone number?
- The practice phone number listed in the NPPES registry for Daniel Penn is (707) 571-4000.
- Does Daniel Penn accept Medicare?
- Daniel Penn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Penn's NPI active?
- Yes — Daniel Penn's NPI (1578647566) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.