NPPES file of Aug 9, 2026

Karyn Austin, MD/PHD

Pediatric Cardiology Physician · San Francisco, CA

Karyn Austin, MD/PHD is a pediatric cardiology physician with a practice address in San Francisco, California, and NPI 1639564370, issued on Mar 31, 2015. Check the license (California A182590, 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
1639564370
Name
Karyn Austin
Credential
MD/PHD
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License number
A182590 CA
Self-reported in NPPES; status is on the state search
Practice location
1825 4TH St FL 6, San Francisco, CA 94143
Phone
(415) 476-2719
Enumerated
Mar 31, 2015
Record last updated
Dec 2, 2022
Fax
(415) 353-2008
Medicare enrollment
Enrolled (PECOS I20221109001329); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2015
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 1825 4TH St FL 6

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

  1. Shreya Agarwal, MDPediatric Hematology & Oncology Physician1841654944
  2. Hind Al Saif, MDClinical Genetics (M.D.) Physician1831403211
  3. Yu An, LCGCGenetic Counselor (M.S.)1972116937
  4. Austin Angelidakis, NPNurse Practitioner1326700287
  5. Serine Avagyan, MD, PHDPediatric Hematology & Oncology Physician1447540547
  6. Rebecca Berry, RNOncology Registered Nurse1821932609

Verify Karyn Austin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A182590
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  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).

Industry payments in 2024: $2,915.46

19 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,156 providers of this specialty with any payment received $2,864.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karyn Austin$2,915.46
  2. Specialty average$2,864.57

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

Bills Medicare through 2 group practices

  1. Ucsf Pediatrics AssociatesSan Francisco, CA
  2. University OF California San FranciscoSan Francisco, CA

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

Karyn Austin among 363 pediatric cardiology physician records in California

Karyn Austin, MD/PHD is one of 363 pediatric cardiology physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.

  • NPI issued2015 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2015 · median 2004 among the 164 with a school on file
  • Record last updated2022 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Cardiology Physician providers in California

There are 363 pediatric cardiology physician records in California.

The 8 pediatric cardiology physician records with the nearest ZIP codes

  1. Ian Adatia, MB CHBSan Francisco, CA 941431427085299
  2. James Bristow, M. D.San Francisco, CA 941431134240476
  3. Mark Cocalis, M.D.San Francisco, CA 941431700817913
  4. Jeffrey Gossett, M.D.San Francisco, CA 941431780790378
  5. Lisa Hornberger, M. D.San Francisco, CA 941431033287453
  6. Walter Li, M.D.San Francisco, CA 941431588866578
  7. Amy McCammond, M.D.San Francisco, CA 941431093903056
  8. Jeffery Meadows, M.D.San Francisco, CA 941431255365003

Common questions

What is Karyn Austin, MD/PHD's NPI number?

Karyn Austin, MD/PHD's National Provider Identifier (NPI) is 1639564370, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Karyn Austin, MD/PHD located?

The NPPES record lists a practice address at 1825 4TH St FL 6, San Francisco, CA, 94143. Phone: (415) 476-2719. Providers update this record themselves, so call before visiting.

How can I verify Karyn Austin, MD/PHD's license?

NPPES lists California license number A182590, 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.

What is Karyn Austin, MD/PHD's MIPS final score?

The 2023 MIPS final score is 74.5 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.