NINA LEIGH NICHOLSON NP
NPI 1154102671
Nurse Practitioner in Ann Arbor, MI
About Nina Leigh Nicholson Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NINA LEIGH NICHOLSON NP (NPI 1154102671) is an individual nurse practitioner in Ann Arbor, Michigan, licensed in Michigan (4704302136) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, is affiliated with Trinity Health Ann Arbor Hospital, and maintains a secondary practice location in Ypsilanti.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Nina Leigh Nicholson Np 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 Nina Nicholson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ann Arbor, MI 48105
- Reassigned Medicare billing, Michigan enrollment
- 1,480 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Health Ann Arbor Hospital
Acute Care Hospitals · Ann Arbor, MIChelsea Hospital
Acute Care Hospitals · Chelsea, 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
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 Nina Nicholson's NPI number?
The NPI number for Nina Nicholson is 1154102671. It was assigned to this individual provider in the NPPES registry on October 10, 2023. The provider is also known as Nina Matthews.
Where is Nina Nicholson located?
Nina Nicholson practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Nina Nicholson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Nina Nicholson enrolled in Medicare?
Yes. Nina Nicholson 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 Nina Nicholson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nina Nicholson reassigns Medicare benefits to Iha Health Services Corporation (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 Nina Nicholson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nina Nicholson accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Nina Nicholson 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 Nina Nicholson affiliated with any hospitals?
According to CMS data, Nina Nicholson is affiliated with Trinity Health Ann Arbor Hospital and Chelsea Hospital.
When was this NPI record last updated?
The NPPES record for Nina Nicholson was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.
# Nina Leigh Nicholson, NP · NPI 1154102671
Nurse Practitioner physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since October 10, 2023.
## Identity
- **NPI:** 1154102671 (Entity type: Individual)
- **Enumerated:** October 10, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 4704302136 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-4000
## 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:** Iha Health Services Corporation (NPI 1013194307, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154102671) · Data from the CMS NPPES public registry.