NPPES file of Aug 9, 2026

Richard Lewis Fleming, M.D.

Internal Medicine Physician · Fairfield, CA

Richard Lewis Fleming, M.D. is an internal medicine physician with a practice address in Fairfield, California, and NPI 1831277722, issued on Nov 1, 2006. Check the license (California G34616, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1831277722
Name
Richard Lewis Fleming
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G34616 CA
Self-reported in NPPES; status is on the state search
Practice location
4665 Business Center Dr, Fairfield, CA 94534
Phone
(707) 863-4501
Enumerated
Nov 1, 2006
Record last updated
Apr 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
00G346160 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.
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Also registered at 4665 Business Center Dr

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

  1. Andrew Glickstein, M.D.Internal Medicine Physician1891231825
  2. Tina Ishida, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1811391253
  3. Viral Patel, PHARM.D., BCPSPharmacist1750675120
  4. Lynette Rey, PHARM.D.Pharmacist1811380629

Verify Richard Lewis Fleming in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G34616
    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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Richard Lewis Fleming among 17,696 internal medicine physician records in California

Richard Lewis Fleming, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2015 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 internal medicine physician records list a practice address in Fairfield

They are 54 of the 3,595 NPPES records with a practice address in Fairfield, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Amanda Adkins, M.D.Fairfield, CA 945341568635704
  2. Josefina Arenas, M.DFairfield, CA 945341518926484
  3. Clarisse Cadang, M.D.Fairfield, CA 945341588083075
  4. Larissa Chartrand, M.D.Fairfield, CA 945341851715627
  5. Gurpreet Dhugga, MDFairfield, CA 945341356429161
  6. Andrew Glickstein, M.D.Fairfield, CA 945341891231825
  7. Ella Gupta, D.OFairfield, CA 945341811157126
  8. Thuy-Tien Le, MD, MPHFairfield, CA 945341821418302

Common questions

What is Richard Lewis Fleming, M.D.'s NPI number?

Richard Lewis Fleming, M.D.'s National Provider Identifier (NPI) is 1831277722, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard Lewis Fleming, M.D. located?

The NPPES record lists a practice address at 4665 Business Center Dr, Fairfield, CA, 94534. Phone: (707) 863-4501. Providers update this record themselves, so call before visiting.

How can I verify Richard Lewis Fleming, M.D.'s license?

NPPES lists California license number G34616, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.