MIHIR THACKER MD
NPI 1801988654
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Wilmington, DE
About Mihir Thacker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIHIR THACKER MD (NPI 1801988654) is an individual pediatric orthopaedic surgery provider in Wilmington, Delaware, licensed in Delaware (C10007736) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 6
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
Mihir Thacker 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 Reassignments
3Medicare enrollment records show Mihir Thacker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, DE 19803
- Reassigned Medicare billing, Delaware enrollment
- 526 clinicians in this Medicare group
Wilmington, DE 19801
- Reassigned Medicare billing, Delaware enrollment
- 1,531 clinicians in this Medicare group
Deptford, NJ 08096
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Nemours New Jersey Physician Practice PC
- 183 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.
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
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 Mihir Thacker's NPI number?
The NPI number for Mihir Thacker is 1801988654. It was assigned to this individual provider in the NPPES registry on September 29, 2006.
Where is Mihir Thacker located?
Mihir Thacker practices at A.I. Dupont Hospital For Children 1600 Rockland Road, Wilmington, DE 19803. The listed phone number is (302) 651-4000.
What is Mihir Thacker's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.
Is Mihir Thacker enrolled in Medicare?
Yes. Mihir Thacker 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 Mihir Thacker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mihir Thacker reassigns Medicare benefits to 3 organizations: The Nemours Foundation (Wilmington, DE), Christiana Care Health Services Inc (Wilmington, DE) and Nemours New Jersey Physician Practice, P.C. (Deptford, NJ). 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 Mihir Thacker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mihir Thacker accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Mihir Thacker 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 Mihir Thacker was last updated on September 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Mihir Thacker, MD · NPI 1801988654
Pediatric Orthopaedic Surgery physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since September 29, 2006.
## Identity
- **NPI:** 1801988654 (Entity type: Individual)
- **Enumerated:** September 29, 2006
- **Primary specialty:** Orthopaedic Surgery - Pediatric Orthopaedic Surgery · taxonomy 207XP3100X
- **State license:** C10007736 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** A.I. DUPONT HOSPITAL FOR CHILDREN, 1600 ROCKLAND ROAD, Wilmington, DE 19803-3607
- **Phone:** (302) 651-4000 · **Fax:** (302) 651-4945
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The Nemours Foundation (NPI 1366594699, Wilmington, DE); Christiana Care Health Services Inc (NPI 1043853120, Wilmington, DE); Nemours New Jersey Physician Practice, P.C. (NPI 1265874713, Deptford, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** September 3, 2011
- **Other identifiers:** Medicare PIN 019271C89 (DE); Medicaid 0076317 (NJ); Medicare PIN 017996T34; and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1801988654) · Data from the CMS NPPES public registry.