ROBERT ALAN LONG MD
NPI 1942207097
Obstetrics & Gynecology in Ann Arbor, MI
About Robert Alan Long Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT ALAN LONG MD (NPI 1942207097) is an individual obstetrics & gynecology provider in Ann Arbor, Michigan, licensed in Michigan (4301070268) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Lansing.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
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)
Robert Alan Long Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Robert Long 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
- 128 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.
Physician 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 Robert Long's NPI number?
The NPI number for Robert Long is 1942207097. It was assigned to this individual provider in the NPPES registry on July 5, 2005.
Where is Robert Long located?
Robert Long practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Robert Long's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Robert Long enrolled in Medicare?
Yes. Robert Long is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Long 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 Robert Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Long accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Robert Long 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 Robert Long was last updated on March 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Robert Alan Long, MD · NPI 1942207097
Obstetrics & Gynecology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since July 5, 2005.
## Identity
- **NPI:** 1942207097 (Entity type: Individual)
- **Enumerated:** July 5, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4301070268 (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 1639104854, Ann Arbor, MI); Edward W. Sparrow Hospital Association (NPI 1689683641, Mason, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 23, 2023
- **Other identifiers:** Other G57252 (MI); Other 063-26442 (MI); Other C7398 (MI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1942207097) · Data from the CMS NPPES public registry.