Tahyri Diaz, MD
Family Medicine Physician · La Grange, IL
Tahyri Diaz, MD is a family medicine physician with a practice address in La Grange, Illinois, and NPI 1841823630, issued on Feb 19, 2020. Check the license (Illinois 036-180988, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Tahyri Diaz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036-180988 IL
125.082431 IL
831764 TX
Self-reported in NPPES; status is on the state search - Practice location
- 512 W Burlington Ave Ste 100, La Grange, IL 60525
- Phone
- (708) 579-4801
- Enumerated
- Feb 19, 2020
- Record last updated
- Jul 17, 2026
- Fax
- (708) 579-4805
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 512 W Burlington Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Malicay, MDFamily Medicine Physician1982041745
Verify Tahyri Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-180988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
48 Medicare Part D claims for 15 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 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.
Tahyri Diaz among 6,215 family medicine physician records in Illinois
Tahyri Diaz, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 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 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in La Grange
They are 25 of the 511 NPPES records with a practice address in La Grange, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in La Grange → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Guy Agostino, M.D.La Grange, IL 605251992769822
- Vince Bartolomeo, MDLa Grange, IL 605251275558629
- Christopher Brenner, MDCountryside, IL 605251629020102
- Daniel Chen, DOLa Grange Highlands, IL 605251356355812
- Michael Dupont, MDLa Grange Highlands, IL 605251508817750
- William Gros, M.D.La Grange, IL 605251316902919
- Daniel Hunter Smith, MDLa Grange, IL 605251619925963
- Leo Koenig, MDLa Grange, IL 605251013967322
Common questions
What is Tahyri Diaz, MD's NPI number?
Tahyri Diaz, MD's National Provider Identifier (NPI) is 1841823630, issued on Feb 19, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tahyri Diaz, MD located?
The NPPES record lists a practice address at 512 W Burlington Ave Ste 100, La Grange, IL, 60525. Phone: (708) 579-4801. Providers update this record themselves, so call before visiting.
How can I verify Tahyri Diaz, MD's license?
NPPES lists Illinois license number 036-180988, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tahyri Diaz, MD prescribe under Medicare Part D?
In 2024, Tahyri Diaz, MD had 48 Medicare Part D claims for 15 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.