NPPES file of Aug 9, 2026

Merrit Alexis Hoover Koskelo, MD, PHD

Student in an Organized Health Care Education/Training Program · Santa Clara, CA

Merrit Alexis Hoover Koskelo, MD, PHD is a student in an organized health care education/training program with a practice address in Santa Clara, California, and NPI 1265842967, issued on May 2, 2014. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265842967
Name
Merrit Alexis Hoover Koskelo
Credential
MD, PHD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
710 Lawrence Expy, Santa Clara, CA 95051
Phone
(408) 851-3842
Enumerated
May 2, 2014
Record last updated
Jan 10, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 710 Lawrence Expy

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

  1. Iype Abraham, M.D.Internal Medicine Physician1578737243
  2. Oren Abramson, MDPediatric Gastroenterology Physician1265511307
  3. Jamie Adiarte, PA-CPhysician Assistant1073824413
  4. Sarah Adut, PHDClinical Psychologist1609484831
  5. Najla Ahmadzia, M.D.Student in an Organized Health Care Education/Training Program1568692580
  6. Farhana Ahmed, MDHospitalist Physician1215110002

Verify Merrit Alexis Hoover Koskelo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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43% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

105 Medicare Part D claims for 39 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Merrit Koskelo105
  2. Specialty average185

Most prescribed

  1. Yuvafem28 claims
  2. Estradiol20 claims
  3. Acyclovir12 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.

Merrit Alexis Hoover Koskelo among 40,652 student in an organized health care education/training program records in California

Merrit Alexis Hoover Koskelo, MD, PHD 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 2014, is newer than 9% of them.

  • NPI issued2014 · 9% of these records are older, 89% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2022 · 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).

187 student in an organized health care education/training program records list a practice address in Santa Clara

They are 187 of the 3,436 NPPES records with a practice address in Santa Clara, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Najla Ahmadzia, M.D.Santa Clara, CA 950511568692580
  2. Aneesh Ambalal, M.D.Santa Clara, CA 950511114165057
  3. Sung Choi, D.O.Santa Clara, CA 950511285900415
  4. Emily Greenberg, MDSanta Clara, CA 950511417235144
  5. Lindsey Klassen, DPMSanta Clara, CA 950511740547751
  6. Gary Kuo, MDSanta Clara, CA 950511053686204
  7. Kenneth Leong, DO, MPHSanta Clara, CA 950511164788725
  8. Kalah MannonSanta Clara, CA 950511720239320

Common questions

What is Merrit Alexis Hoover Koskelo, MD, PHD's NPI number?

Merrit Alexis Hoover Koskelo, MD, PHD's National Provider Identifier (NPI) is 1265842967, issued on May 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Merrit Alexis Hoover Koskelo, MD, PHD located?

The NPPES record lists a practice address at 710 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-3842. Providers update this record themselves, so call before visiting.

How can I verify Merrit Alexis Hoover Koskelo, MD, PHD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Merrit Alexis Hoover Koskelo, MD, PHD prescribe under Medicare Part D?

In 2024, Merrit Alexis Hoover Koskelo, MD, PHD had 105 Medicare Part D claims for 39 beneficiaries; 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.