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DR. PATRICIA A NIEMEYER M.D.
NPI 1548316565
Radiology - Diagnostic Radiology in Grass Valley, CA

Active since January 25, 2007PECOS EnrolledAccepts Medicare Assignment
96.39/100
CMS Quality Rating
280 SIERRA COLLEGE DR STE 120, GRASS VALLEY, CA 95945(530) 477-4480 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Patricia A Niemeyer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PATRICIA A NIEMEYER M.D. (NPI 1548316565) is an individual diagnostic radiology provider in Grass Valley, California, licensed in California (G84477) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1548316565
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. PATRICIA A NIEMEYERCredential: M.D.
Location Address280 SIERRA COLLEGE DR STE 120Grass Valley, CA 95945-5763
Mailing Address3400 Data DrRancho Cordova, CA 95670-7956
Phone(530) 477-4480
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateJanuary 25, 2007
Last NPPES UpdateMay 5, 2026
NPPES CertifiedMay 5, 2026
✔ NPI 1548316565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · G84477✔ Licensed in MA · 1024622✔ Licensed in HI · 25744
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
280 SIERRA COLLEGE DR STE 120, Grass Valley, CA 95945
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Patricia A Niemeyer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527136035
PECOS Enrollment IDI20081010000550, I20250825002113, I20250924003060
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120001
Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95945 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85
Improvement Activities40

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
19%278 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
71%21 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GENEVIEVE THERESE BUCKLEY FNP-C
Nurse Practitioner
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
DR. MIHIR DEEPAK SURA MD
Hospitalist
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
INGRID BAUER MD
Hospitalist
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
ADAM M KHALIL MD
Radiology (Vascular & Interventional Radiology)
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
HARRIS F BARAKZOY DO
Hospitalist
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
ALEXANDRA MARIE BERNASCONI PA-C
Physician Assistant
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
FRANCHESKA ALEXANDRA GARCIA PORTALATIN MD
Family Medicine
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
DR. NAYAB SULTAN MD
Hospitalist
280 SIERRA COLLEGE DR STE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patricia Niemeyer's NPI number?

The NPI number for Patricia Niemeyer is 1548316565. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Where is Patricia Niemeyer located?

Patricia Niemeyer practices at 280 Sierra College Dr Ste 120, Grass Valley, CA 95945. The listed phone number is (530) 477-4480.

What is Patricia Niemeyer's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Patricia Niemeyer enrolled in Medicare?

Yes. Patricia Niemeyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Patricia Niemeyer affiliated with any hospitals?

According to CMS data, Patricia Niemeyer is affiliated with The Queens Medical Center.

When was this NPI record last updated?

The NPPES record for Patricia Niemeyer was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.