DR. SHAN E ABBAS M.D.
NPI 1730362674
Psychiatry & Neurology - Epilepsy
in Grand Rapids, MI
About Dr. Shan E Abbas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHAN E ABBAS M.D. (NPI 1730362674) is an individual epilepsy provider in Grand Rapids, Michigan, licensed in Michigan (4301098063) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Corewell Health Zeeland Hospital, and maintains a secondary practice location in Traverse City.
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Shan E Abbas 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
7Medicare enrollment records show Shan Abbas reassigns Medicare billing to 7 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
- 2,446 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 557 clinicians in this Medicare group
Hartford, MI 49057
- Reassigned Medicare billing, Michigan enrollment
- 107 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 249 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 724 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 492 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, MILakeland Hospital, St Joseph
Acute Care Hospitals · St Joseph, MISpectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Big Rapids Hospital
Acute Care Hospitals · Big Rapids, MICorewell Health Pennock Hospital
Critical Access Hospitals · Hastings, MIMedicare 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Shan Abbas's NPI number?
The NPI number for Shan Abbas is 1730362674. It was assigned to this individual provider in the NPPES registry on December 13, 2007.
Where is Shan Abbas located?
Shan Abbas practices at 275 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 267-7900.
What is Shan Abbas's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.
Is Shan Abbas enrolled in Medicare?
Yes. Shan Abbas 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 Shan Abbas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shan Abbas reassigns Medicare benefits to 7 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Bronson Methodist Hospital (Kalamazoo, MI), Bronson Battle Creek Hospital (Battle Creek, MI), Lakeland Community Hospital Watervliet (Hartford, MI), Lakeland Hospitals At Niles And St Joseph, Inc (Saint Joseph, MI) and 2 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 Shan Abbas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shan Abbas 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 Shan Abbas 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 Shan Abbas affiliated with any hospitals?
According to CMS data, Shan Abbas is affiliated with Corewell Health Zeeland Hospital, Lakeland Hospital, St Joseph, Spectrum Health, Corewell Health Big Rapids Hospital and Corewell Health Pennock Hospital.
When was this NPI record last updated?
The NPPES record for Shan Abbas was last updated on December 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Dr. Shan E Abbas, M.D. · NPI 1730362674
Epilepsy physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since December 13, 2007.
## Identity
- **NPI:** 1730362674 (Entity type: Individual)
- **Enumerated:** December 13, 2007
- **Primary specialty:** Psychiatry & Neurology - Epilepsy · taxonomy 2084E0001X
- **State license:** 4301098063 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 275 MICHIGAN ST NE, Grand Rapids, MI 49503-2531
- **Phone:** (616) 267-7900 · **Fax:** (616) 267-7901
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Spectrum Health Primary Care Partners (NPI 1689499667, Grand Rapids, MI); Bronson Methodist Hospital (NPI 1417961137, Kalamazoo, MI); Bronson Battle Creek Hospital (NPI 1093119638, Battle Creek, MI); Lakeland Community Hospital Watervliet (NPI 1023114741, Hartford, MI); Lakeland Hospitals At Niles And St Joseph, Inc (NPI 1134220031, Saint Joseph, MI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** December 13, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1730362674) · Data from the CMS NPPES public registry.