Juan Diego San Juan, MD
Otolaryngology Physician · Ann Arbor, MI
Juan Diego San Juan, MD is an otolaryngology physician with a practice address in Ann Arbor, Michigan, and NPI 1457856627, issued on Mar 28, 2018. Check the license (Michigan 4301513741, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Juan Diego San Juan
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 4301513741 MI
A166157 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Mar 28, 2018
- Record last updated
- Jul 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20250828002754); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 307 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Juan Diego San Juan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301513741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average otolaryngology physician in 2024
328 Medicare Part D claims for 136 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Famotidine46 claims
- Pantoprazole Sodium38 claims
- Ipratropium Bromide26 claims
- Omeprazole26 claims
- Fluticasone Propionate22 claims
- Azelastine Hcl14 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): 86.3 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: $456.87
6 payments; by number, the most common kind was food and beverage; the largest payer was Integra LifeSciences Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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 2 group practices
- Regents OF The University OF MichiganAnn Arbor, MI
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Juan Diego San Juan among 307 otolaryngology physician records in Michigan
Juan Diego San Juan, MD is one of 307 otolaryngology physician records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 81% of them.
- NPI issued2018 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2006 among the 201 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Michigan
There are 307 otolaryngology physician records in Michigan.
All 307 in Michigan → Every provider in Ann Arbor → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Shan Baker, MDAnn Arbor, MI 481091376630137
- Carol Bradford, MDAnn Arbor, MI 481091710074588
- David Brown, M.D.Ann Arbor, MI 481091639137110
- Douglas Chepeha, MDAnn Arbor, MI 481091346337110
- Karen Cooper, MDAnn Arbor, MI 481091518058825
- Susan Garetz, MDAnn Arbor, MI 481091073600243
- Katherine Heidenreich, MDAnn Arbor, MI 481091487746178
- Norman Hogikyan, MDAnn Arbor, MI 481091851488027
Common questions
What is Juan Diego San Juan, MD's NPI number?
Juan Diego San Juan, MD's National Provider Identifier (NPI) is 1457856627, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Juan Diego San Juan, MD located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Juan Diego San Juan, MD's license?
NPPES lists Michigan license number 4301513741, 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 Juan Diego San Juan, MD prescribe under Medicare Part D?
In 2024, Juan Diego San Juan, MD had 328 Medicare Part D claims for 136 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Juan Diego San Juan, MD's MIPS final score?
The 2023 MIPS final score is 86.3 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.