NPPES file of Aug 9, 2026

Larry R. Potts, MD

Emergency Medicine Physician · Upland, CA

Larry R. Potts, MD is an emergency medicine physician with a practice address in Upland, California, and NPI 1679596191, issued on Jul 25, 2006. Check the license (California G27602, 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
1679596191
Name
Larry R. Potts
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G27602 CA
Self-reported in NPPES; status is on the state search
Practice location
999 San Bernardino RD, Upland, CA 91786
Phone
(909) 985-2811
Enumerated
Jul 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(818) 587-2493
Medicaid ID
00G276020 CA
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.
Download card Updates feed

Also registered at 999 San Bernardino RD

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

  1. Lisa AgrasoNeonatal Clinical Nurse Specialist1407700438
  2. James Akamine, M.D.Diagnostic Radiology Physician1497790125
  3. Ahmed Al-WaisiInternal Medicine Physician1871115709
  4. Donald Alpiner, DOSurgery Physician1811086952
  5. Alexander ArzooStudent in an Organized Health Care Education/Training Program1891635629
  6. Liezl Avila, D.O.Emergency Medicine Physician1487064515

Verify Larry R. Potts in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G27602
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

92% fewer Medicare Part D claims than the average emergency medicine physician in 2024

17 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Larry Potts17
  2. Specialty average226

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.

Larry R. Potts among 7,751 emergency medicine physician records in California

Larry R. Potts, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Allan Bock, MDUpland, CA 917861366462830
  2. Anthony Cabrera, DOUpland, CA 917861114161007
  3. Heather Crane, MDUpland, CA 917861205859063
  4. Steven Ernst, MDUpland, CA 917861568485324
  5. James Fisgus, MDUpland, CA 917861902829765
  6. Scott Miller, M.D.Upland, CA 917861851367734
  7. Dalia Nassman, D.O.Upland, CA 917861639410921
  8. Kevin Parkes, MDUpland, CA 917861013938711

Common questions

What is Larry R. Potts, MD's NPI number?

Larry R. Potts, MD's National Provider Identifier (NPI) is 1679596191, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Larry R. Potts, MD located?

The NPPES record lists a practice address at 999 San Bernardino RD, Upland, CA, 91786. Phone: (909) 985-2811. Providers update this record themselves, so call before visiting.

How can I verify Larry R. Potts, MD's license?

NPPES lists California license number G27602, 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 Larry R. Potts, MD prescribe under Medicare Part D?

In 2024, Larry R. Potts, MD had 17 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.