NPPES file of Aug 9, 2026

James M. Duvall, M.D.

Pediatric Adolescent Medicine Physician · Pasadena, CA

James M. Duvall, M.D. is a pediatric adolescent medicine physician with a practice address in Pasadena, California, and NPI 1033203104, issued on Oct 3, 2006. Check the license (California A17514, 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
1033203104
Name
James M. Duvall
Credential
M.D.
Primary taxonomy
Pediatric Adolescent Medicine Physician 2080A0000X
License number
A17514 CA
Self-reported in NPPES; status is on the state search
Practice location
504 S Sierra Madre Blvd, Pasadena, CA 91107
Phone
(626) 795-8811
Enumerated
Oct 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 795-0953
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 pediatric adolescent medicine physician records → All 280 in California → Look up another NPI →

Also registered at 504 S Sierra Madre Blvd

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

  1. Joanne Asuncion, MDPediatrics Physician1093863003
  2. Brian Bhatt, MDPediatrics Physician1609372515
  3. Lusine Dushikyan, FNPNurse Practitioner1760353049
  4. Jasmeet Gill, MDPediatrics Physician1356554356
  5. Irma Gonzalez, MDPediatrics Physician1417919929
  6. Molly Grigorian, FNPFamily Nurse Practitioner1700697604

Verify James M. Duvall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A17514    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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James M. Duvall among 280 pediatric adolescent medicine physician records in California

James M. Duvall, M.D. is one of 280 pediatric adolescent medicine physician records with a practice address in California. 42% 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, 37% newer
  • In a Medicare fileNo · 42% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2007 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Adolescent Medicine Physician providers in California

There are 280 pediatric adolescent medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 280 in California → Every provider in Pasadena → Pediatric Adolescent Medicine Physician nationwide →

The 8 pediatric adolescent medicine physician records with the nearest ZIP codes

  1. Peter Jackson, M.D.Pasadena, CA 911071366536328
  2. Daniel Scaff, M.D.Pasadena, CA 911061598855413
  3. Johanna Olson-Kennedy, MDPasadena, CA 911051396831665
  4. Jonathan Warus, MDPasadena, CA 911051801153010
  5. N Olambiwonnu, M.D.Pasadena, CA 911011568551752
  6. David Ku, M.D.Monrovia, CA 910161508800756
  7. Lelanie Luna, M.D.Glendale, CA 912041962415141
  8. Margaret Zdarzyl, M.D.Glendale, CA 912081649206921

Common questions

What is James M. Duvall, M.D.'s NPI number?

James M. Duvall, M.D.'s National Provider Identifier (NPI) is 1033203104, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James M. Duvall, M.D. located?

The NPPES record lists a practice address at 504 S Sierra Madre Blvd, Pasadena, CA, 91107. Phone: (626) 795-8811. Providers update this record themselves, so call before visiting.

How can I verify James M. Duvall, M.D.'s license?

NPPES lists California license number A17514, 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.