NPPES file of Aug 9, 2026

Adrienne C. Altman, M.D.

Pediatrics Physician · Valencia, CA

Adrienne C. Altman, M.D. is a pediatrics physician with a practice address in Valencia, California, and NPI 1447384490, issued on Mar 14, 2007. Check the license (California G46651, 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
1447384490
Name
Adrienne C. Altman
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G46651 CA
Self-reported in NPPES; status is on the state search
Practice location
23861 Mcbean Pkwy, Valencia, CA 91355
Phone
(661) 254-3232
Enumerated
Mar 14, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(661) 254-4212
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 23861 Mcbean Pkwy

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

  1. Nola AronsonAudiologist-Hearing Aid Fitter1003987660
  2. Balbir Brar, M.D.Hospitalist Physician1629006408
  3. Narinder Grewal, MDInterventional Pain Medicine Physician1396783270
  4. Shilesh Iyer, M.D.Specialist1841351277
  5. Allen Karz, M.D.Cardiovascular Disease Physician1598774184
  6. John Kaufman, MDOrthopaedic Surgery Physician1801992268

Verify Adrienne C. Altman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G46651
    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 pediatrics physician in 2024

30 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.

  1. Adrienne Altman30
  2. Specialty average375

Most prescribed

  1. Omeprazole13 claims
  2. Naproxen12 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.

Industry payments in 2024: $16.53

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adrienne Altman$16.53
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Adrienne C. Altman among 9,272 pediatrics physician records in California

Adrienne C. Altman, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 43% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in California

There are 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Michelle Campana, M.D.Valencia, CA 913551003075714
  2. Hasan Chowdhury, M.D.Valencia, CA 913551114945235
  3. Pamela Colby, M.D.Valencia, CA 913551629009188
  4. Amy Cooper, MD/MPHValencia, CA 913551366602138
  5. Harris Greenwald, M.D.Valencia, CA 913551760546675
  6. Daphne Horowitz, MDValencia, CA 913551841357183
  7. Peter Kim, M.D.Valencia, CA 913551467477638
  8. Paula Kuhlman, M.D.Santa Clarita, CA 913551053303883

Common questions

What is Adrienne C. Altman, M.D.'s NPI number?

Adrienne C. Altman, M.D.'s National Provider Identifier (NPI) is 1447384490, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Adrienne C. Altman, M.D. located?

The NPPES record lists a practice address at 23861 Mcbean Pkwy, Valencia, CA, 91355. Phone: (661) 254-3232. Providers update this record themselves, so call before visiting.

How can I verify Adrienne C. Altman, M.D.'s license?

NPPES lists California license number G46651, 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 Adrienne C. Altman, M.D. prescribe under Medicare Part D?

In 2024, Adrienne C. Altman, M.D. had 30 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.