Hayden Lowenstein, M.D.
Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Hayden Lowenstein, M.D. is a student in an organized health care education/training program with a practice address in Los Angeles, California, and NPI 1437446648, issued on Jul 8, 2011. Check the license (California A122670, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hayden Lowenstein
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- A122670 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8635 W 3RD St Ste 465W, Los Angeles, CA 90048
- Phone
- (310) 385-2300
- Enumerated
- Jul 8, 2011
- Entity
- Type 1 · individual
Also registered at 8635 W 3RD St Ste 465W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Foltz, M.D.Internal Medicine Physician1245597962
- Nicole Fossas Braegger, MDInfectious Disease Physician1336708825
- Aaron KwongInfectious Disease Physician1255867826
- Jillian Oft, MDStudent in an Organized Health Care Education/Training Program1184940876
- Gisela Rosario Rosario, M.D.Internal Medicine Physician1073873733
- Carina SterlingFamily Nurse Practitioner1669797908
Verify Hayden Lowenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A122670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
54% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
753 Medicare Part D claims for 116 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Biktarvy157 claims
- Dovato54 claims
- Cephalexin36 claims
- Tivicay32 claims
- Juluca27 claims
- Ceftriaxone24 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 Medicare quality score for 2023: 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).
One hospital or facility affiliation
- Cedars-Sinai Medical Care FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
7,984 student in an organized health care education/training program records list a Los Angeles practice address
They are 7,984 of the 69,537 NPPES records with a Los Angeles practice address, and 49,599 student in an organized health care education/training program records in California.
All 7,984 in Los Angeles → All 49,599 in California → Every provider in Los Angeles →
Other student in an organized health care education/training program records in California
- Sanad A'BasiFresno, CA1720915770
- Alexander Aabedi, MDSan Francisco, CA1245971480
- Andre AabediPomona, CA1891582102
- Natalie Aabodi, DMDPomona, CA1851085187
- Mati Aamed, PSY.D.Pacoima, CA1689285470
- Kjeld Aamodt, DDS, MSSan Francisco, CA1912250176
- Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
- Manas AavulaPomona, CA1972496644
- Louisa AbadaOakland, CA1023502259
- Sharon AbadaSan Francisco, CA1003492844
Common questions
What is Hayden Lowenstein, M.D.'s NPI number?
Hayden Lowenstein, M.D.'s National Provider Identifier (NPI) is 1437446648, issued on Jul 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Hayden Lowenstein, M.D. located?
The NPPES record lists a practice address at 8635 W 3RD St Ste 465W, Los Angeles, CA, 90048. Phone: (310) 385-2300. Providers update this record themselves, so call before visiting.
How can I verify Hayden Lowenstein, M.D.'s license?
NPPES lists California license number A122670, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hayden Lowenstein, M.D. prescribe under Medicare Part D?
In 2024, Hayden Lowenstein, M.D. had 753 Medicare Part D claims for 116 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. Part D covers Medicare prescriptions only.
What is Hayden Lowenstein, M.D.'s Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.