Dhanalakshmi Thiyagarajan, MD
Obstetrics & Gynecology Physician · Ann Arbor, MI
Dhanalakshmi Thiyagarajan, MD is an obstetrics & gynecology physician with a practice address in Ann Arbor, Michigan, and NPI 1265991244, issued on Mar 18, 2019. Check the license (Michigan 4301508791, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Dhanalakshmi Thiyagarajan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301508791 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4260 Plymouth RD, Ann Arbor, MI 48109
- Phone
- (734) 763-6295
- Enumerated
- Mar 18, 2019
- Record last updated
- Aug 1, 2023
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 4260 Plymouth RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dhanalakshmi Thiyagarajan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301508791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
12 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Dhanalakshmi Thiyagarajan among 1,776 obstetrics & gynecology physician records in Michigan
Dhanalakshmi Thiyagarajan, MD is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
143 obstetrics & gynecology physician records list a practice address in Ann Arbor
They are 143 of the 15,616 NPPES records with a practice address in Ann Arbor, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Ann Arbor → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Sawsan As-Sanie, MDAnn Arbor, MI 481091073606455
- Anita Avery, MDAnn Arbor, MI 481091346293693
- Vanessa Dalton, MDAnn Arbor, MI 481091386737591
- Jill Davies, MDAnn Arbor, MI 481091629171566
- Hope Haefner, MDAnn Arbor, MI 481091962595124
- Maya Hammoud, MDAnn Arbor, MI 481091225121486
- Richard Lieberman, MDAnn Arbor, MI 481091437242591
- Robert Long, MDAnn Arbor, MI 481091942207097
Common questions
What is Dhanalakshmi Thiyagarajan, MD's NPI number?
Dhanalakshmi Thiyagarajan, MD's National Provider Identifier (NPI) is 1265991244, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Dhanalakshmi Thiyagarajan, MD located?
The NPPES record lists a practice address at 4260 Plymouth RD, Ann Arbor, MI, 48109. Phone: (734) 763-6295. Providers update this record themselves, so call before visiting.
How can I verify Dhanalakshmi Thiyagarajan, MD's license?
NPPES lists Michigan license number 4301508791, 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 Dhanalakshmi Thiyagarajan, MD prescribe under Medicare Part D?
In 2024, Dhanalakshmi Thiyagarajan, MD had 12 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.