COURTNEY STACEY LIM MD
NPI 1346402799
Obstetrics & Gynecology in Ann Arbor, MI
About Courtney Stacey Lim Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY STACEY LIM MD (NPI 1346402799) is an individual obstetrics & gynecology provider in Ann Arbor, Michigan, licensed in Michigan (4301101206) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Ann Arbor.
NPPES Registry Identity
Specialties & Licenses
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
Courtney Stacey Lim 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 Courtney Lim 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
Chelsea, MI 48118
- Reassigned Medicare billing, Michigan enrollment
- 147 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 Courtney Lim's NPI number?
The NPI number for Courtney Lim is 1346402799. It was assigned to this individual provider in the NPPES registry on June 26, 2008.
Where is Courtney Lim located?
Courtney Lim practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Courtney Lim's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Courtney Lim enrolled in Medicare?
Yes. Courtney Lim 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 Courtney Lim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Lim reassigns Medicare benefits to 2 organizations: Regents Of The University Of Michigan (Ann Arbor, MI) and Chelsea Community Hospital (Chelsea, 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 Courtney Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Courtney Lim 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 Courtney Lim 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 Courtney Lim affiliated with any hospitals?
According to CMS data, Courtney Lim is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Courtney Lim was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Courtney Stacey Lim, MD · NPI 1346402799
Obstetrics & Gynecology physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since June 26, 2008.
## Identity
- **NPI:** 1346402799 (Entity type: Individual)
- **Enumerated:** June 26, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4301101206 (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:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Michigan (NPI 1639104854, Ann Arbor, MI); Chelsea Community Hospital (NPI 1912947409, Chelsea, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2008
## Record status
- **NPPES last updated:** September 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1346402799) · Data from the CMS NPPES public registry.