JAMES L LOKER MD
NPI 1255311692
Pediatrics - Pediatric Cardiology in Kalamazoo, MI
About James L Loker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES L LOKER MD (NPI 1255311692) is an individual pediatric cardiology provider in Kalamazoo, Michigan, licensed in Michigan (4301065897) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
James L Loker 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
7Medicare enrollment records show James Loker reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 247 clinicians in this Medicare group
Paw Paw, MI 49079
- Reassigned Medicare billing, Michigan enrollment
- 251 clinicians in this Medicare group
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 557 clinicians in this Medicare group
South Haven, MI 49090
- Reassigned Medicare billing, Michigan enrollment
- 190 clinicians in this Medicare group
Grand Rapids, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 405 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.
Spectrum Health
Acute Care Hospitals · Grand Rapids, 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.
KALAMAZOO, MI 49007
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 James Loker's NPI number?
The NPI number for James Loker is 1255311692. It was assigned to this individual provider in the NPPES registry on January 20, 2006.
Where is James Loker located?
James Loker practices at 601 John St Ste M351, Kalamazoo, MI 49007. The listed phone number is (269) 341-8786.
What is James Loker's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is James Loker enrolled in Medicare?
Yes. James Loker 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 James Loker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Loker reassigns Medicare benefits to 7 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Ascension Borgess Hospital (Kalamazoo, MI), Bronson Lakeview Hospital (Paw Paw, MI), Bronson Battle Creek Hospital (Battle Creek, MI), Bronson South Haven Hospital (South Haven, 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 James Loker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Loker accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list James Loker 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 James Loker affiliated with any hospitals?
According to CMS data, James Loker is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for James Loker was last updated on February 2, 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.
# James L Loker, MD · NPI 1255311692
Pediatric Cardiology physician in Kalamazoo, Michigan. Individual provider, active in the CMS NPPES registry since January 20, 2006.
## Identity
- **NPI:** 1255311692 (Entity type: Individual)
- **Enumerated:** January 20, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 4301065897 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 JOHN ST, STE M351, Kalamazoo, MI 49007-5341
- **Phone:** (269) 341-8786 · **Fax:** (269) 341-8984
## 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): Bronson Methodist Hospital (NPI 1417961137, Kalamazoo, MI); Ascension Borgess Hospital (NPI 1336279827, Kalamazoo, MI); Bronson Lakeview Hospital (NPI 1235131137, Paw Paw, MI); Bronson Battle Creek Hospital (NPI 1093119638, Battle Creek, MI); Bronson South Haven Hospital (NPI 1174749170, South Haven, MI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 1986
## Record status
- **NPPES last updated:** February 2, 2023
- **Other identifiers:** Medicaid 3183737 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1255311692) · Data from the CMS NPPES public registry.