Patricia Niemeyer, M.D.
NPI 1548316565 · Diagnostic Radiology Physician · Grass Valley, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Niemeyer, M.D. is a Diagnostic Radiology Physician provider in Grass Valley, CA (NPI 1548316565).
Provider details
- NPI number
- 1548316565
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 1024622 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2007-01-25
- Last updated
- 2026-05-05
- Certified
- 2026-05-05
Frequently asked questions
- What is Patricia Niemeyer's NPI number?
- Patricia Niemeyer's National Provider Identifier (NPI) is 1548316565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Niemeyer's specialty?
- Patricia Niemeyer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Patricia Niemeyer located?
- Patricia Niemeyer's practice location on file with NPPES is 280 Sierra College Dr Ste 120, Grass Valley, CA 95945-5763.
- What is Patricia Niemeyer's phone number?
- The practice phone number listed in the NPPES registry for Patricia Niemeyer is (530) 477-4480.
- Does Patricia Niemeyer accept Medicare?
- Patricia Niemeyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Niemeyer's NPI active?
- Yes — Patricia Niemeyer's NPI (1548316565) is active in the NPPES registry as of the last update on 2026-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.