NPPES file of Aug 9, 2026

Leena Sahay, MD

Internal Medicine Physician · Sierra Madre, CA

Leena Sahay, MD is an internal medicine physician with a practice address in Sierra Madre, California, and NPI 1356387005, issued on Jun 21, 2006. Check the license (California A066161, 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
1356387005
Name
Leena Sahay
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A066161 CA
Self-reported in NPPES; status is on the state search
Practice location
147 W Cierra Madre Blvd, Sierra Madre, CA 91024
Phone
(626) 355-3443
Enumerated
Jun 21, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(626) 355-7843
Medicare enrollment
Enrolled (PECOS I20041208000787); accepts Medicare assignment
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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Verify Leena Sahay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A066161
    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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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

178 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Leena Sahay178
  2. Specialty average3,176

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): 85.2 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. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  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).

Bills Medicare through one group practice

  1. Faculty Physicians And Surgeons OF LlusmRedlands, CA

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

Leena Sahay among 17,696 internal medicine physician records in California

Leena Sahay, MD is one of 17,696 internal medicine 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1993 · median 2004 among the 11,065 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 internal medicine physician records list a practice address in Sierra Madre

They are 7 of the 178 NPPES records with a practice address in Sierra Madre, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Liviu Chindris, M.DSierra Madre, CA 910241730156472
  2. Linda Crawford, DOSierra Madre, CA 910241841360427
  3. John Herziger, MDSierra Madre, CA 910241518097914
  4. Phuong Nguyen, DOSierra Madre, CA 910241336609908
  5. Hani Sami, MDSierra Madre, CA 910241306891957
  6. Nathalie Sami, MDSierra Madre, CA 910241902487622
  7. Jan Yuo, M.D., M.P.H.Montrose, CA 910201528096716
  8. Christopher Jong, M.D.South Pasadena, CA 910301336336700

Common questions

What is Leena Sahay, MD's NPI number?

Leena Sahay, MD's National Provider Identifier (NPI) is 1356387005, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leena Sahay, MD located?

The NPPES record lists a practice address at 147 W Cierra Madre Blvd, Sierra Madre, CA, 91024. Phone: (626) 355-3443. Providers update this record themselves, so call before visiting.

How can I verify Leena Sahay, MD's license?

NPPES lists California license number A066161, 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 Leena Sahay, MD prescribe under Medicare Part D?

In 2024, Leena Sahay, MD had 178 Medicare Part D claims for 52 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Leena Sahay, MD's MIPS final score?

The 2023 MIPS final score is 85.2 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.