NPPES file of Aug 9, 2026

Marisa Yanez Jayakar, MD

Sports Medicine (Family Medicine) Physician · Mountain View, CA

Marisa Yanez Jayakar, MD is a sports medicine (family medicine) physician with a practice address in Mountain View, California, and NPI 1083142582, issued on May 27, 2017. Check the license (California A157257, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083142582
Name
Marisa Yanez Jayakar
Credential
MD
Primary taxonomy
Sports Medicine (Family Medicine) Physician 207QS0010X
License number
A157257 CA
Self-reported in NPPES; status is on the state search
Practice location
555 Castro St, Mountain View, CA 94041
Phone
(650) 903-3000
Enumerated
May 27, 2017
Record last updated
Jul 8, 2026
Medicare enrollment
Enrolled (PECOS I20200709003167); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2017
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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8 nearest sports medicine (family medicine) physician records → All 266 in California → Look up another NPI →

Also registered at 555 Castro St

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

  1. Michael Adey, O.D.Corneal and Contact Management Optometrist1427108026
  2. Selina Akhtar, RPHPharmacist1235664954
  3. Jordan Arora, M.D.Obstetrics & Gynecology Physician1952544868
  4. Andrea Aslan, MDObstetrics & Gynecology Physician1104903046
  5. Cheryl Branson, MDObstetrics & Gynecology Physician1811074768
  6. Danael Caywood, RNPFamily Nurse Practitioner1285744631

Verify Marisa Yanez Jayakar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A157257    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

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14% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024

738 Medicare Part D claims for 109 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D.

  1. Marisa Jayakar738
  2. Specialty average855

Most prescribed

  1. Atorvastatin Calcium69 claims
  2. Losartan Potassium57 claims
  3. Amlodipine Besylate52 claims
  4. Metformin Hcl51 claims
  5. Levothyroxine Sodium29 claims
  6. Lisinopril20 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.

Bills Medicare through one group practice

  1. Carbon Health Primary Care OF California PCSanta Clara, CA

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

Marisa Yanez Jayakar among 266 sports medicine (family medicine) physician records in California

Marisa Yanez Jayakar, MD is one of 266 sports medicine (family medicine) physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 72% of them.

  • NPI issued2017 · 72% of these records are older, 24% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2017 · median 2012 among the 190 with a school on file
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Family Medicine) Physician providers in California

There are 266 sports medicine (family medicine) physician records in California.

All 266 in California → Every provider in Mountain View → Sports Medicine (Family Medicine) Physician nationwide →

The 8 sports medicine (family medicine) physician records with the nearest ZIP codes

  1. Charlie Michaudet, MDMenlo Park, CA 940251770802647
  2. Richard Ellis, D.O.Redwood City, CA 940631386702140
  3. Robert Kiningham, MDRedwood City, CA 940651346338456
  4. David Li, D.O.Sunnyvale, CA 940851861750507
  5. Neesheet Parikh, D.O.Sunnyvale, CA 940851699006569
  6. Ahmed Khan, M.D.San Francisco, CA 941051497018410
  7. Jacob Wardwell, DOSan Francisco, CA 941081063723781
  8. Michelle Sriwongtong, MDSan Francisco, CA 941141114313616

Common questions

What is Marisa Yanez Jayakar, MD's NPI number?

Marisa Yanez Jayakar, MD's National Provider Identifier (NPI) is 1083142582, issued on May 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marisa Yanez Jayakar, MD located?

The NPPES record lists a practice address at 555 Castro St, Mountain View, CA, 94041. Phone: (650) 903-3000. Providers update this record themselves, so call before visiting.

How can I verify Marisa Yanez Jayakar, MD's license?

NPPES lists California license number A157257, 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 Marisa Yanez Jayakar, MD prescribe under Medicare Part D?

In 2024, Marisa Yanez Jayakar, MD had 738 Medicare Part D claims for 109 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.