Shaun M. Jayakar, MD
Geriatric Medicine (Internal Medicine) Physician · Warren, MI
Shaun M. Jayakar, MD is a geriatric medicine (internal medicine) physician with a practice address in Warren, Michigan, and NPI 1770747594, issued on Jul 10, 2008. Check the license (Michigan 4301086680, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Shaun M. Jayakar
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 4301086680 MI
Self-reported in NPPES; status is on the state search - Practice location
- 31150 Hoover, Warren, MI 48093
- Phone
- (586) 983-3666
- Enumerated
- Jul 10, 2008
- Record last updated
- Sep 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (586) 983-3776
- Medicare enrollment
- Enrolled (PECOS I20090203000607); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 184 in Michigan → Look up another NPI →
Also registered at 31150 Hoover
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kerry Nathan, PAPhysician Assistant1003882242
Verify Shaun M. Jayakar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301086680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024
10,944 Medicare Part D claims for 468 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 354 claims were for opioids.
Most prescribed
- Amlodipine Besylate555 claims
- Omeprazole397 claims
- Metformin Hcl329 claims
- Losartan Potassium282 claims
- Levothyroxine Sodium272 claims
- Albuterol Sulfate Hfa254 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 MIPS final score for 2023 (Medicare payment program): 75.9 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).
Industry payments in 2024: $627.84
29 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Doctor Robot PLLCDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shaun M. Jayakar among 184 geriatric medicine (internal medicine) physician records in Michigan
Shaun M. Jayakar, MD is one of 184 geriatric medicine (internal medicine) physician records with a practice address in Michigan. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.
- NPI issued2008 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2005 · median 1997 among the 99 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Michigan
There are 184 geriatric medicine (internal medicine) physician records in Michigan.
All 184 in Michigan → Every provider in Warren → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Abbas Sharif, MDTroy, MI 480841205044815
- Hussein Almadhoun, MDAnn Arbor, MI 481031497376511
- Mary Wisely, M.D.Ann Arbor, MI 481031225150501
- Julia HermanowskiAnn Arbor, MI 481051285052431
- Grace Jenq, MDAnn Arbor, MI 481051790710382
- Tehilah Meged-Book, MDAnn Arbor, MI 481051366288128
- Nancylee Stier, MDAnn Arbor, MI 481051306924451
- David Stutz, MDAnn Arbor, MI 481051558451088
Common questions
What is Shaun M. Jayakar, MD's NPI number?
Shaun M. Jayakar, MD's National Provider Identifier (NPI) is 1770747594, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Shaun M. Jayakar, MD located?
The NPPES record lists a practice address at 31150 Hoover, Warren, MI, 48093. Phone: (586) 983-3666. Providers update this record themselves, so call before visiting.
How can I verify Shaun M. Jayakar, MD's license?
NPPES lists Michigan license number 4301086680, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shaun M. Jayakar, MD prescribe under Medicare Part D?
In 2024, Shaun M. Jayakar, MD had 10,944 Medicare Part D claims for 468 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Shaun M. Jayakar, MD's MIPS final score?
The 2023 MIPS final score is 75.9 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.