Nathaniel Klair, MD
Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Nathaniel Klair, MD is a student in an organized health care education/training program with a practice address in Los Angeles, California, and NPI 1720665102, issued on Mar 24, 2021. Check the license (California A202933, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Klair
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- A202933 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Zonal Ave Ste Ird806, Los Angeles, CA 90089
- Phone
- (323) 409-7307
- Enumerated
- Mar 24, 2021
- Record last updated
- Nov 20, 2025
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Verify Nathaniel Klair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A202933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
14 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Nathaniel Klair among 40,652 student in an organized health care education/training program records in California
Nathaniel Klair, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 28% of them.
- NPI issued2021 · 28% of these records are older, 66% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2025 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6,770 student in an organized health care education/training program records list a practice address in Los Angeles
They are 6,770 of the 69,537 NPPES records with a practice address in Los Angeles, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Los Angeles → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Christina AnayaLos Angeles, CA 900891215053566
- Blake Brown, M.D.Los Angeles, CA 900891861752156
- Leeann Castorena LewisLos Angeles, CA 900891013337005
- David Choi, M.D.Los Angeles, CA 900891538576749
- Lucy Gong, MDLos Angeles, CA 900891689917080
- Kate Guzik, M.D.Los Angeles, CA 900891043553662
- Tehila KamravapourLos Angeles, CA 900891497006688
- Hannah KimLos Angeles, CA 900891386054427
Common questions
What is Nathaniel Klair, MD's NPI number?
Nathaniel Klair, MD's National Provider Identifier (NPI) is 1720665102, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Klair, MD located?
The NPPES record lists a practice address at 2020 Zonal Ave Ste Ird806, Los Angeles, CA, 90089. Phone: (323) 409-7307. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Klair, MD's license?
NPPES lists California license number A202933, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel Klair, MD prescribe under Medicare Part D?
In 2024, Nathaniel Klair, MD had 14 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
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.