IAN DYKINS THOMAS M.D.
NPI 1811250772
Pediatrics - Pediatric Cardiology in Ann Arbor, MI
About Ian Dykins Thomas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN DYKINS THOMAS M.D. (NPI 1811250772) is an individual pediatric cardiology provider in Ann Arbor, Michigan, licensed in Michigan (4301109244) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rochester, and is a graduate of Sanford School Of Medicine Of University Of South Dakota (2012).
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
Ian Dykins Thomas M.d. 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 Reassignments
8Medicare enrollment records show Ian Thomas reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
Grand Marais, MN 55604
- Reassigned Medicare billing, Minnesota enrollment
- 81 clinicians in this Medicare group
St. Paul, MN 55101
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: Gillette Childrens Specialty Healthcare
- 304 clinicians in this Medicare group
St Paul, MN 55102
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: Children's Health Care
- 551 clinicians in this Medicare group
Duluth, MN 55804
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Mankato, MN 56001
- Reassigned Medicare billing, Minnesota enrollment
- 322 clinicians in this Medicare group
Sartell, MN 56377
- Reassigned Medicare billing, Minnesota enrollment
- 136 clinicians in this Medicare group
Wahpeton, ND 58075
- Reassigned Medicare billing, North Dakota enrollment
- 617 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.
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
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 Ian Thomas's NPI number?
The NPI number for Ian Thomas is 1811250772. It was assigned to this individual provider in the NPPES registry on June 15, 2012.
Where is Ian Thomas located?
Ian Thomas practices at 1540 E Hospital Dr Spc 4204, Ann Arbor, MI 48109. The listed phone number is (734) 936-4038.
What is Ian Thomas's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Ian Thomas enrolled in Medicare?
Yes. Ian Thomas 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 organizations bill Medicare for Ian Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Thomas reassigns Medicare benefits to 8 organizations: Mayo Clinic (Rochester, MN), Cook County Hospital District (Grand Marais, MN), Gillette Children's Specialty Healthcare (St. Paul, MN), Childrens Health Care (St Paul, MN), The Duluth Clinic, Ltd (Duluth, MN) and 3 more organizations, listed in the Medicare section above. Each 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 Ian Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Thomas accept?
Health plans from Blue Cross Blue Shield of North Dakota, HealthPartners and Sanford Health Plan list Ian Thomas 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.
When was this NPI record last updated?
The NPPES record for Ian Thomas was last updated on November 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ian Dykins Thomas, M.D. · NPI 1811250772
Pediatric Cardiology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since June 15, 2012.
## Identity
- **NPI:** 1811250772 (Entity type: Individual)
- **Enumerated:** June 15, 2012
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 4301109244 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1540 E HOSPITAL DR, SPC 4204, Ann Arbor, MI 48109-4000
- **Phone:** (734) 936-4038
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic (NPI 1114343860, Rochester, MN); Cook County Hospital District (NPI 1487712493, Grand Marais, MN); Gillette Children's Specialty Healthcare (NPI 1225119175, St. Paul, MN); Childrens Health Care (NPI 1225132566, St Paul, MN); The Duluth Clinic, Ltd (NPI 1245278936, Duluth, MN); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 2012
## Record status
- **NPPES last updated:** November 11, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1811250772) · Data from the CMS NPPES public registry.