GREGORY J ENSING MD
NPI 1306856927
Pediatrics - Pediatric Cardiology in Ann Arbor, MI
About Gregory J Ensing Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY J ENSING MD (NPI 1306856927) is an individual pediatric cardiology provider in Ann Arbor, Michigan, licensed in Michigan (4301072519) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Gregory J Ensing 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 Gregory Ensing reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 2,377 clinicians in this Medicare group
Flint, MI 48507
- Reassigned Medicare billing, Michigan enrollment
- 467 clinicians in this Medicare group
Escanaba, MI 49829
- Reassigned Medicare billing, Michigan enrollment
- 440 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
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 Gregory Ensing's NPI number?
The NPI number for Gregory Ensing is 1306856927. It was assigned to this individual provider in the NPPES registry on August 8, 2006.
Where is Gregory Ensing located?
Gregory Ensing practices at 1500 East Medical Center Dr 11th Floor Cs Mott Childrens Hospital Rm 661, Ann Arbor, MI 48109. The listed phone number is (734) 764-5176.
What is Gregory Ensing's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Gregory Ensing enrolled in Medicare?
Yes. Gregory Ensing 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 Gregory Ensing's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Ensing reassigns Medicare benefits to 3 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), Hurley Medical Center (Flint, MI) and Dlp Marquette Physician Practices Inc (Escanaba, MI). 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 Gregory Ensing's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Ensing 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 Gregory Ensing 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 Gregory Ensing was last updated on February 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Gregory J Ensing, MD · NPI 1306856927
Pediatric Cardiology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since August 8, 2006.
## Identity
- **NPI:** 1306856927 (Entity type: Individual)
- **Enumerated:** August 8, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 4301072519 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 EAST MEDICAL CENTER DR, 11TH FLOOR CS MOTT CHILDRENS HOSPITAL RM 661, Ann Arbor, MI 48109-5204
- **Phone:** (734) 764-5176
## 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): Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI); Hurley Medical Center (NPI 1194143982, Flint, MI); Dlp Marquette Physician Practices Inc (NPI 1538415021, Escanaba, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** February 6, 2014
- **Other identifiers:** Medicare UPIN C24392; Medicare ID-Type Unspecified OH16103246 (MI); Medicaid 3490907 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1306856927) · Data from the CMS NPPES public registry.