NPPES file of Aug 9, 2026

Jonathan Greer, M.D.

General Practice Physician · Moreno Valley, CA

Jonathan Greer, M.D. is a general practice physician with a practice address in Moreno Valley, California, and NPI 1760468839, issued on Dec 20, 2005. Check the license (California G064615, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1760468839
Name
Jonathan Greer
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
G064615 CA
Self-reported in NPPES; status is on the state search
Practice location
9921 Michael Way, Moreno Valley, CA 92557
Phone
(951) 217-8909
Enumerated
Dec 20, 2005
Record last updated
Nov 29, 2021 (not updated in 5 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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Verify Jonathan Greer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G064615
    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
Open the California license search

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71% fewer Medicare Part D claims than the average general practice physician in 2024

865 Medicare Part D claims for 130 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 60 claims were for opioids.

  1. Jonathan Greer865
  2. Specialty average3,030

Most prescribed

  1. Quetiapine Fumarate44 claims
  2. Furosemide35 claims
  3. Ciprofloxacin Hcl30 claims
  4. Atorvastatin Calcium27 claims
  5. Pantoprazole Sodium26 claims
  6. Losartan Potassium24 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.

Jonathan Greer among 1,956 general practice physician records in California

Jonathan Greer, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. Darren Thompson, D.O.Moreno Valley, CA 925571942513734
  2. Hugues Tran, PA-CMoreno Valley, CA 925571053530147
  3. Nicolas Saenz, M.D.Moreno Valley, CA 925551225391873
  4. Tien Gu, D.O.Murrieta, CA 925621699936005
  5. Dzenan Lulic, M.D.Murrieta, CA 925621356503791
  6. Frank Tang, M.D.Murrieta, CA 925621396984969
  7. Stephen Turay, M.D.Murrieta, CA 925621588245336
  8. Maria Bella Ramirez, M.D.Moreno Valley, CA 925511164547055

Common questions

What is Jonathan Greer, M.D.'s NPI number?

Jonathan Greer, M.D.'s National Provider Identifier (NPI) is 1760468839, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Greer, M.D. located?

The NPPES record lists a practice address at 9921 Michael Way, Moreno Valley, CA, 92557. Phone: (951) 217-8909. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Greer, M.D.'s license?

NPPES lists California license number G064615, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan Greer, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Greer, M.D. had 865 Medicare Part D claims for 130 beneficiaries; the average among general practice physician prescribers was 3,030. 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.