MACLOVIO JAMES LOPEZ MD, PHD
NPI 1427038025
Pediatrics - Pediatric Transplant Hepatology in Ann Arbor, MI
About Maclovio James Lopez Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACLOVIO JAMES LOPEZ MD, PHD (NPI 1427038025) is an individual pediatric transplant hepatology provider in Ann Arbor, Michigan, licensed in Michigan (4301079305) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Maclovio James Lopez Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maclovio Lopez reassigns Medicare billing to 2 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
Mason, MI 48854
- Reassigned Medicare billing, Michigan enrollment
- 916 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
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 Maclovio Lopez's NPI number?
The NPI number for Maclovio Lopez is 1427038025. It was assigned to this individual provider in the NPPES registry on January 19, 2006.
Where is Maclovio Lopez located?
Maclovio Lopez practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Maclovio Lopez's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Transplant Hepatology, with taxonomy code 2080T0004X.
Is Maclovio Lopez enrolled in Medicare?
Yes. Maclovio Lopez is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maclovio Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maclovio Lopez reassigns Medicare benefits to 2 organizations: Regents Of The University Of Michigan (Ann Arbor, MI) and Edward W. Sparrow Hospital Association (Mason, 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 Maclovio Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maclovio Lopez 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 Maclovio Lopez 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 Maclovio Lopez was last updated on November 14, 2023. 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.
# Maclovio James Lopez, MD, PHD · NPI 1427038025
Pediatric Transplant Hepatology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since January 19, 2006.
## Identity
- **NPI:** 1427038025 (Entity type: Individual)
- **Enumerated:** January 19, 2006
- **Primary specialty:** Pediatrics - Pediatric Transplant Hepatology · taxonomy 2080T0004X
- **State license:** 4301079305 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI); Edward W. Sparrow Hospital Association (NPI 1689683641, Mason, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 14, 2023
- **Other identifiers:** Medicaid 4417062 (MI); Medicaid 4445568 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1427038025) · Data from the CMS NPPES public registry.