DR. EMERSON A LIM M.D.
NPI 1407030307
Internal Medicine - Medical Oncology in Grand Rapids, MI
About Dr. Emerson A Lim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EMERSON A LIM M.D. (NPI 1407030307) is an individual medical oncology provider in Grand Rapids, Michigan, licensed in New York (246724) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Corewell Health Zeeland Hospital, and is a graduate of New York University School Of Medicine (2006).
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
Dr. Emerson A Lim 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 Reassignments
9Medicare enrollment records show Emerson Lim reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 104 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Greenville, MI 48838
- Reassigned Medicare billing, Michigan enrollment
- 242 clinicians in this Medicare group
Grant, MI 49327
- Reassigned Medicare billing, Michigan enrollment
- 180 clinicians in this Medicare group
Hastings, MI 49058
- Reassigned Medicare billing, Michigan enrollment
- 184 clinicians in this Medicare group
Reed City, MI 49677
- Reassigned Medicare billing, Michigan enrollment
- 132 clinicians in this Medicare group
Ludington, MI 49431
- Reassigned Medicare billing, Michigan enrollment
- 168 clinicians in this Medicare group
Fort Lee, NJ 07024
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1508266347 (New York)
- 1,048 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 612 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Corewell Health Zeeland Hospital
Acute Care Hospitals · Zeeland, MISpectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Ludington Hospital
Acute Care Hospitals · Ludington, MICorewell Health Reed City Hospital
Critical Access Hospitals · Reed City, MICorewell Health Gerber Hospital
Critical Access Hospitals · Fremont, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Emerson Lim's NPI number?
The NPI number for Emerson Lim is 1407030307. It was assigned to this individual provider in the NPPES registry on December 27, 2007.
Where is Emerson Lim located?
Emerson Lim practices at 145 Michigan St NE Ste 5200, Grand Rapids, MI 49503. The listed phone number is (616) 486-6700.
What is Emerson Lim's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Emerson Lim enrolled in Medicare?
Yes. Emerson 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 Emerson Lim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Emerson Lim reassigns Medicare benefits to 9 organizations: Cancer & Hematology Centers Of Western Mi, P.C. (Grand Rapids, MI), Spectrum Health Primary Care Partners (Grand Rapids, MI), Spectrum Health United (Greenville, MI), Newaygo County General Hospital Association (Grant, MI), Pennock Hospital (Hastings, MI) and 4 more organizations, listed in the Medicare section above. 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 Emerson Lim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Emerson 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 2 other insurers list Emerson 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 Emerson Lim affiliated with any hospitals?
According to CMS data, Emerson Lim is affiliated with Corewell Health Zeeland Hospital, Spectrum Health, Corewell Health Ludington Hospital, Corewell Health Reed City Hospital and Corewell Health Gerber Hospital.
When was this NPI record last updated?
The NPPES record for Emerson Lim was last updated on March 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Emerson A Lim, M.D. · NPI 1407030307
Medical Oncology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since December 27, 2007.
## Identity
- **NPI:** 1407030307 (Entity type: Individual)
- **Enumerated:** December 27, 2007
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 246724 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 145 MICHIGAN ST NE STE 5200, Grand Rapids, MI 49503-2565
- **Phone:** (616) 486-6700 · **Fax:** (616) 486-6489
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Cancer & Hematology Centers Of Western Mi, P.C. (NPI 1528018389, Grand Rapids, MI); Spectrum Health Primary Care Partners (NPI 1326599671, Grand Rapids, MI); Spectrum Health United (NPI 1538436852, Greenville, MI); Newaygo County General Hospital Association (NPI 1013040492, Grant, MI); Pennock Hospital (NPI 1629494133, Hastings, MI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** March 9, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1407030307) · Data from the CMS NPPES public registry.