Jon Mallen-St. Clair, M.D.
Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Los Angeles, CA
Jon Mallen-St. Clair, M.D. is a plastic surgery within the head & neck (otolaryngology) physician with a practice address in Los Angeles, California, and NPI 1134410038, issued on Apr 26, 2011. Check the license (California A125470, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jon Mallen-St. Clair
- Credential
- M.D.
- Primary taxonomy
- Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X
- License number
- A125470 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8635 W 3RD St Ste 590W, Los Angeles, CA 90048
- Phone
- (310) 423-1220
- Enumerated
- Apr 26, 2011
- Record last updated
- Jan 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 423-1230
- Medicare enrollment
- Enrolled (PECOS I20160719000921); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest plastic surgery within the head & neck (otolaryngology) physician records → All 150 in California → Look up another NPI →
Also registered at 8635 W 3RD St Ste 590W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katrin Abelian, PAPhysician Assistant1083348494
- Tania Aguilar, AUDAudiologist1356221923
- Nabilah Ali, PA-CSpecialist1689925935
- Suzan Arasheben, PA-CPhysician Assistant1871172361
- Amanda Bastien, MDStudent in an Organized Health Care Education/Training Program1619558269
- Edward Cho, M.D.Otolaryngology Physician1457521544
Verify Jon Mallen-St. Clair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average plastic surgery within the head & neck (otolaryngology) physician in 2024
67 Medicare Part D claims for 41 beneficiaries, against an average of 393 among the 492 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
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): 85.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon Mallen-St. Clair among 150 plastic surgery within the head & neck (otolaryngology) physician records in California
Jon Mallen-St. Clair, M.D. is one of 150 plastic surgery within the head & neck (otolaryngology) physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 86% of them.
- NPI issued2011 · 86% of these records are older, 13% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2011 · median 1995 among the 81 with a school on file
- Record last updated2021 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0007X 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 within the Head & Neck (Otolaryngology) Physician providers in California
There are 150 plastic surgery within the head & neck (otolaryngology) physician records in California.
All 150 in California → Every provider in Los Angeles → Plastic Surgery within the Head & Neck (Otolaryngology) Physician nationwide →
The 8 plastic surgery within the head & neck (otolaryngology) physician records with the nearest ZIP codes
- Gary Bellack, MDLos Angeles, CA 900481750442448
- Konstantin Salkinder, MDLos Angeles, CA 900481114992815
- Alvin Reiter, MDLos Angeles, CA 900491326051657
- Tasia Economou, MDLos Angeles, CA 900341811045891
- Craig Ingber, MDLos Angeles, CA 900341326115320
- Christopher Pivik, MDLos Angeles, CA 900341962579961
- Ann Marie Visosky, MDLos Angeles, CA 900341245413103
- Dennis Maceri, M.D.Los Angeles, CA 900331649297359
Common questions
What is Jon Mallen-St. Clair, M.D.'s NPI number?
Jon Mallen-St. Clair, M.D.'s National Provider Identifier (NPI) is 1134410038, issued on Apr 26, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jon Mallen-St. Clair, M.D. located?
The NPPES record lists a practice address at 8635 W 3RD St Ste 590W, Los Angeles, CA, 90048. Phone: (310) 423-1220. Providers update this record themselves, so call before visiting.
How can I verify Jon Mallen-St. Clair, M.D.'s license?
NPPES lists California license number A125470, 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 Jon Mallen-St. Clair, M.D. prescribe under Medicare Part D?
In 2024, Jon Mallen-St. Clair, M.D. had 67 Medicare Part D claims for 41 beneficiaries; the average among plastic surgery within the head & neck (otolaryngology) physician prescribers was 393. Part D covers Medicare prescriptions only.
What is Jon Mallen-St. Clair, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 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.