DHANALAKSHMI THIYAGARAJAN MD
NPI 1265991244
Obstetrics & Gynecology in Ann Arbor, MI
About Dhanalakshmi Thiyagarajan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DHANALAKSHMI THIYAGARAJAN MD (NPI 1265991244) is an individual obstetrics & gynecology provider in Ann Arbor, Michigan, licensed in Michigan (4301508791) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dhanalakshmi Thiyagarajan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Dhanalakshmi Thiyagarajan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 128 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dhanalakshmi Thiyagarajan's NPI number?
The NPI number for Dhanalakshmi Thiyagarajan is 1265991244. It was assigned to this individual provider in the NPPES registry on March 18, 2019.
Where is Dhanalakshmi Thiyagarajan located?
Dhanalakshmi Thiyagarajan practices at 4260 Plymouth Rd, Ann Arbor, MI 48109. The listed phone number is (734) 763-6295.
What is Dhanalakshmi Thiyagarajan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Dhanalakshmi Thiyagarajan enrolled in Medicare?
Yes. Dhanalakshmi Thiyagarajan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Dhanalakshmi Thiyagarajan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dhanalakshmi Thiyagarajan reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dhanalakshmi Thiyagarajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dhanalakshmi Thiyagarajan accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Dhanalakshmi Thiyagarajan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Dhanalakshmi Thiyagarajan affiliated with any hospitals?
According to CMS data, Dhanalakshmi Thiyagarajan is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Dhanalakshmi Thiyagarajan was last updated on August 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dhanalakshmi Thiyagarajan, MD · NPI 1265991244
Obstetrics & Gynecology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since March 18, 2019.
## Identity
- **NPI:** 1265991244 (Entity type: Individual)
- **Enumerated:** March 18, 2019
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4301508791 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4260 PLYMOUTH RD, Ann Arbor, MI 48109-2700
- **Phone:** (734) 763-6295
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Regents Of The University Of Michigan (NPI 1639104854, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** August 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1265991244) · Data from the CMS NPPES public registry.