NPPES file of Aug 9, 2026

Stephen D. Duffy, M.D.

Plastic Surgery Physician · Pasadena, CA

Stephen D. Duffy, M.D. is a plastic surgery physician with a practice address in Pasadena, California, and NPI 1073763447, issued on Sep 23, 2008. Check the license 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
1073763447
Name
Stephen D. Duffy
Credential
M.D.
Primary taxonomy
Plastic Surgery Physician 208200000X
License number
31460 SC
Self-reported in NPPES; status is on the state search
Practice location
950 S Arroyo Pkwy Ste 310, Pasadena, CA 91105
Phone
(626) 449-4859
Enumerated
Sep 23, 2008
Record last updated
Jul 10, 2022
Fax
(626) 403-0311
Medicare enrollment
Enrolled (PECOS I20200527000952); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2002
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.
Download card Updates feed

Also registered at 950 S Arroyo Pkwy Ste 310

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

  1. Brian Cox, M.D.Plastic Surgery Physician1952307985
  2. James Recabaren, MDSurgery Physician1851320063
  3. Sherin Shirazi, M.D.Surgical Oncology Physician1659438984

Verify Stephen D. Duffy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Industry payments in 2024: $144.29

5 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 3,683 providers of this specialty with any payment received $5,316.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Duffy$144.29
  2. Specialty average$5,316.31

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

Bills Medicare through one group practice

  1. Premiere Plastic Surgery IncPasadena, CA

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

Stephen D. Duffy among 894 plastic surgery physician records in California

Stephen D. Duffy, M.D. is one of 894 plastic surgery 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. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 33% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated2002 · median 2002 among the 346 with a school on file
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Plastic Surgery Physician providers in California

There are 894 plastic surgery physician records in California.

The 8 plastic surgery physician records with the nearest ZIP codes

  1. Omar Ahmed, MDPasadena, CA 911051104970540
  2. James Andersen, MDPasadena, CA 911051295831741
  3. Carlitos ChenPasadena, CA 911051487272647
  4. Brian Cox, M.D.Pasadena, CA 911051952307985
  5. Nima Naghshineh, M.D.Pasadena, CA 911051316103799
  6. Martin O'Toole, M.D.Pasadena, CA 911051063504058
  7. Adam O'Toole, M.D.Pasadena, CA 911051467795575
  8. Andre Panossian, M.D.Pasadena, CA 911051710177845

Common questions

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

Stephen D. Duffy, M.D.'s National Provider Identifier (NPI) is 1073763447, issued on Sep 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Stephen D. Duffy, M.D. located?

The NPPES record lists a practice address at 950 S Arroyo Pkwy Ste 310, Pasadena, CA, 91105. Phone: (626) 449-4859. Providers update this record themselves, so call before visiting.

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

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. 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.