GRACE J LEE MD
NPI 1386886935
Pediatrics - Pediatric Gastroenterology in Ann Arbor, MI
About Grace J Lee Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE J LEE MD (NPI 1386886935) is an individual pediatric gastroenterology provider in Ann Arbor, Michigan, licensed in Michigan (4301106985) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Grace J Lee 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
2Medicare enrollment records show Grace Lee 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.
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 Grace Lee's NPI number?
The NPI number for Grace Lee is 1386886935. It was assigned to this individual provider in the NPPES registry on March 28, 2009.
Where is Grace Lee located?
Grace Lee practices at 1500 E Medical Center Drive 8th Floor Cs Mott Childrens Hospital, Ann Arbor, MI 48109. The listed phone number is (734) 936-4185.
What is Grace Lee's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Grace Lee enrolled in Medicare?
Yes. Grace Lee 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 Grace Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Lee 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 Grace Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Lee 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 Grace Lee 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 Grace Lee was last updated on July 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Grace J Lee, MD · NPI 1386886935
Pediatric Gastroenterology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since March 28, 2009.
## Identity
- **NPI:** 1386886935 (Entity type: Individual)
- **Enumerated:** March 28, 2009
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** 4301106985 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DRIVE, 8TH FLOOR CS MOTT CHILDRENS HOSPITAL, Ann Arbor, MI 48109-7359
- **Phone:** (734) 936-4185
## 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:** 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
- **Medical school:** Boston University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** July 27, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1386886935) · Data from the CMS NPPES public registry.