NPPES file of Aug 9, 2026

Nathaniel Greeley, PA-C

Medical Physician Assistant · Marysville, CA

Nathaniel Greeley, PA-C is a medical physician assistant with a practice address in Marysville, California, and NPI 1962946236, issued on Dec 6, 2016. Check the license (California 54050, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962946236
Name
Nathaniel Greeley
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
54050 CA
Self-reported in NPPES; status is on the state search
Practice location
726 4TH St, Marysville, CA 95901
Phone
(530) 749-4300
Enumerated
Dec 6, 2016
Record last updated
Dec 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 726 4TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Babeshoff, CRNACertified Registered Nurse Anesthetist1023011574
  2. Amanda Badgett, RNCertified Registered Nurse Anesthetist1558826461
  3. Sukhraj Balhan, MDCritical Care Medicine (Internal Medicine) Physician1194169292
  4. Hamad Bath, DPTPhysical Therapist1437906633
  5. Robert Boardman, C.R.N.A.Certified Registered Nurse Anesthetist1417983321
  6. Harmony Boeh, RD, CNSCRegistered Dietitian1083812119

Verify Nathaniel Greeley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 54050
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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80% fewer Medicare Part D claims than the average medical physician assistant in 2024

224 Medicare Part D claims for 171 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Nathaniel Greeley224
  2. Specialty average1,148

Most prescribed

  1. Cephalexin38 claims
  2. Hydrocodone-Acetaminophen20 claims
  3. Amoxicillin-Clavulanate Potass16 claims
  4. Prednisone11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Nathaniel Greeley among 3,376 medical physician assistant records in California

Nathaniel Greeley, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.

  • NPI issued2016 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2016 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Samantha Geweke, PAMarysville, CA 959011992719322
  2. Jace Keister, PA-CMarysville, CA 959011417101163
  3. Stephen Kotarek, PAMarysville, CA 959011235371915
  4. Juanita Louis, MPA-CMarysville, CA 959011326342072
  5. Kevan Mathis, PA-CMarysville, CA 959011982459368
  6. Cynthia Nielson, PAMarysville, CA 959011578588349
  7. Craig Rhoades, PAMarysville, CA 959011164612990
  8. Tawnya Hoffman, PA-CBrownsville, CA 959191538351705

Common questions

What is Nathaniel Greeley, PA-C's NPI number?

Nathaniel Greeley, PA-C's National Provider Identifier (NPI) is 1962946236, issued on Dec 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel Greeley, PA-C located?

The NPPES record lists a practice address at 726 4TH St, Marysville, CA, 95901. Phone: (530) 749-4300. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel Greeley, PA-C's license?

NPPES lists California license number 54050, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Nathaniel Greeley, PA-C prescribe under Medicare Part D?

In 2024, Nathaniel Greeley, PA-C had 224 Medicare Part D claims for 171 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Nathaniel Greeley, PA-C's MIPS final score?

The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.