NPPES file of Aug 9, 2026

John Patrick Whelan, MD PHD

Pediatric Rheumatology Physician · Santa Monica, CA

John Patrick Whelan, MD PHD is a pediatric rheumatology physician with a practice address in Santa Monica, California, and NPI 1083681258, issued on Mar 7, 2006. Check the license (California A53446, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083681258
Name
John Patrick Whelan
Credential
MD PHD
Primary taxonomy
Pediatric Rheumatology Physician 2080P0216X
License number
A53446 CA
Self-reported in NPPES; status is on the state search
Practice location
1250 16TH St # C2304, Santa Monica, CA 90404
Phone
(310) 319-4698
Enumerated
Mar 7, 2006
Record last updated
Nov 12, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 319-4908
Medicaid ID
3204120 MA
Medicare enrollment
Enrolled (PECOS I20110805000701); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1993
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1250 16TH St # C2304

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

  1. Farid Abdelmalak, M.D.Hospitalist Physician1912392937
  2. Rasha Ahmed, DOInternal Medicine Physician1932631793
  3. Kaye Alpasan, NPNurse Practitioner1245098821
  4. Ishan Asokan, MD, MSCInternal Medicine Physician1699204271
  5. Rose Bates, NPNurse Practitioner1194263129
  6. Wossen Belachew, MDHospitalist Physician1831532266

Verify John Patrick Whelan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A53446
    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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66% fewer Medicare Part D claims than the average pediatric rheumatology physician in 2024

50 Medicare Part D claims, against an average of 149 among the 71 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. John Whelan50
  2. Specialty average149

Most prescribed

  1. Privigen23 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costout of 100 · 30%20.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. UC RegentsLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Patrick Whelan among 62 pediatric rheumatology physician records in California

John Patrick Whelan, MD PHD is one of 62 pediatric rheumatology physician records with a practice address in California. 40% 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 0% of them.

  • NPI issued2006 · 0% of these records are older, 63% newer
  • In a Medicare fileYes · 40% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1993 · median 2009 among the 11 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0216X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Rheumatology Physician providers in California

There are 62 pediatric rheumatology physician records in California.

The 8 pediatric rheumatology physician records with the nearest ZIP codes

  1. Aileen Dickinson, D.O.Los Angeles, CA 900951275987364
  2. Deborah McCurdy, MDLos Angeles, CA 900951851489769
  3. Paola Pederzoli-Carrillo, NPLos Angeles, CA 900951639345150
  4. Ornella Rullo, M.D.Los Angeles, CA 900951720317753
  5. Bram Bernstein, MDLos Angeles, CA 900271801988472
  6. Diane Brown, MDLos Angeles, CA 900271649298282
  7. Michal Cidon, M.D.Los Angeles, CA 900271154463024
  8. Judith Figueroa, M.D.Los Angeles, CA 900271760504278

Common questions

What is John Patrick Whelan, MD PHD's NPI number?

John Patrick Whelan, MD PHD's National Provider Identifier (NPI) is 1083681258, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Patrick Whelan, MD PHD located?

The NPPES record lists a practice address at 1250 16TH St # C2304, Santa Monica, CA, 90404. Phone: (310) 319-4698. Providers update this record themselves, so call before visiting.

How can I verify John Patrick Whelan, MD PHD's license?

NPPES lists California license number A53446, 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 John Patrick Whelan, MD PHD prescribe under Medicare Part D?

In 2024, John Patrick Whelan, MD PHD had 50 Medicare Part D claims; the average among pediatric rheumatology physician prescribers was 149. Part D covers Medicare prescriptions only.

What is John Patrick Whelan, MD PHD's MIPS final score?

The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.