Marcella Pierce, PA-C
Physician Assistant · Grass Valley, CA
Marcella Pierce, PA-C is a physician assistant with a practice address in Grass Valley, California, and NPI 1558801399, issued on Feb 27, 2017. Check the license (California 54217, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcella Pierce
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 54217 CA
Self-reported in NPPES; status is on the state search - Practice location
- 844 Old Tunnel RD, Grass Valley, CA 95945
- Phone
- (530) 274-9762
- Enumerated
- Feb 27, 2017
- Record last updated
- Jul 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20190509000612); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 844 Old Tunnel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chase Duhon, PA-CMedical Physician Assistant1528705258
- Katelyn Fernandez, PA-C, RDPhysician Assistant1316598741
Verify Marcella Pierce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average physician assistant in 2024
194 Medicare Part D claims for 123 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin26 claims
- Albuterol Sulfate Hfa16 claims
- Sulfamethoxazole-Trimethoprim11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Western Sierra Medical Clinic IncGrass Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcella Pierce among 14,451 physician assistant records in California
Marcella Pierce, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2016 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 physician assistant records list a practice address in Grass Valley
They are 20 of the 1,540 NPPES records with a practice address in Grass Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Grass Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Amy Barber, PA-CGrass Valley, CA 959451780606830
- Alexandra Bernasconi, PA-CGrass Valley, CA 959451245514512
- Carol Brodsky, PAGrass Valley, CA 959451497920631
- Jessica Clary, PA-CGrass Valley, CA 959451114487071
- Amy Clement, PA-CGrass Valley, CA 959451134643646
- Tracey Connell, PAGrass Valley, CA 959451972835973
- Marsha Cummings, PA-CGrass Valley, CA 959451720141559
- Cara Del Chiaro, PA-CGrass Valley, CA 959451841938057
Common questions
What is Marcella Pierce, PA-C's NPI number?
Marcella Pierce, PA-C's National Provider Identifier (NPI) is 1558801399, issued on Feb 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Marcella Pierce, PA-C located?
The NPPES record lists a practice address at 844 Old Tunnel RD, Grass Valley, CA, 95945. Phone: (530) 274-9762. Providers update this record themselves, so call before visiting.
How can I verify Marcella Pierce, PA-C's license?
NPPES lists California license number 54217, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marcella Pierce, PA-C prescribe under Medicare Part D?
In 2024, Marcella Pierce, PA-C had 194 Medicare Part D claims for 123 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.