NPPES file of Aug 9, 2026

Stephen Manfredi, M.D.

Emergency Medicine Physician · Hemet, CA

Stephen Manfredi, M.D. is an emergency medicine physician with a practice address in Hemet, California, and NPI 1871511667, issued on Jul 18, 2006. Check the license (California G31935, 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
1871511667
Name
Stephen Manfredi
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G31935 CA
Self-reported in NPPES; status is on the state search
Practice location
1117 E Devonshire Ave, Hemet, CA 92543
Phone
(909) 652-2811
Enumerated
Jul 18, 2006
Record last updated
Aug 28, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
00G319350 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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8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 1117 E Devonshire Ave

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

  1. Niloufar AbbasiStudent in an Organized Health Care Education/Training Program1861334658
  2. Dawit AbrahamStudent in an Organized Health Care Education/Training Program1306599097
  3. Shawn Alam, MDStudent in an Organized Health Care Education/Training Program1730021247
  4. Amer AldaasStudent in an Organized Health Care Education/Training Program1124814025
  5. Muhammad Zain Ali, MDStudent in an Organized Health Care Education/Training Program1467205849
  6. Adam AlluisStudent in an Organized Health Care Education/Training Program1235071515

Verify Stephen Manfredi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G31935    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.

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Stephen Manfredi among 7,751 emergency medicine physician records in California

Stephen Manfredi, M.D. 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 not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2009 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,751 in California → Every provider in Hemet → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Timothy Almquist, M.D.Hemet, CA 925431720005333
  2. John Desnoyers, M.D.Hemet, CA 925431760423420
  3. Daniella Garcia, MDHemet, CA 925431912240771
  4. George Goy, M.D.Hemet, CA 925431508874066
  5. Robert Nakamura, MDHemet, CA 925431780692244
  6. Jessica Shuen, M.D.Hemet, CA 925431053766600
  7. Solomon Yochanan, MDHemet, CA 925431386685873
  8. Samnuel Chua, M.D.Moreno Valley, CA 925551699880724

Common questions

What is Stephen Manfredi, M.D.'s NPI number?

Stephen Manfredi, M.D.'s National Provider Identifier (NPI) is 1871511667, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Manfredi, M.D. located?

The NPPES record lists a practice address at 1117 E Devonshire Ave, Hemet, CA, 92543. Phone: (909) 652-2811. Providers update this record themselves, so call before visiting.

How can I verify Stephen Manfredi, M.D.'s license?

NPPES lists California license number G31935, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.