PATRICIA STEPHANIE GRECO M.D.
NPI 1861836280
Obstetrics & Gynecology - Maternal & Fetal Medicine in Ann Arbor, MI
About Patricia Stephanie Greco M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA STEPHANIE GRECO M.D. (NPI 1861836280) is an individual maternal & fetal medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301102580) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Brighton.
NPPES Registry Identity
Specialties & Licenses 2
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
Patricia Stephanie Greco 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 Reassignment
Medicare enrollment records show Patricia Greco 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
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 Patricia Greco's NPI number?
The NPI number for Patricia Greco is 1861836280. It was assigned to this individual provider in the NPPES registry on April 29, 2013. The provider is also known as Patricia Szmal.
Where is Patricia Greco located?
Patricia Greco practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Patricia Greco's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Patricia Greco enrolled in Medicare?
Yes. Patricia Greco 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 Patricia Greco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Greco 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 Patricia Greco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Greco accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Patricia Greco 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 Patricia Greco affiliated with any hospitals?
According to CMS data, Patricia Greco is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Patricia Greco was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Patricia Stephanie Greco, M.D. · NPI 1861836280
Maternal & Fetal Medicine physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since April 29, 2013.
## Identity
- **NPI:** 1861836280 (Entity type: Individual)
- **Enumerated:** April 29, 2013
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** 4301102580 (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:** 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:** University Of Michigan Medical School, class of 2013
## Record status
- **NPPES last updated:** March 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1861836280) · Data from the CMS NPPES public registry.