REBECCA ANN COLLAER MD
NPI 1275592750
Pediatrics in Fremont, MI
About Rebecca Ann Collaer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA ANN COLLAER MD (NPI 1275592750) is an individual pediatrics provider in Fremont, Michigan, licensed in Michigan (4301089462) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Niles.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 (PECOS)
Rebecca Ann Collaer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Rebecca Collaer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fremont, MI 49412
- Reassigned Medicare billing, Michigan enrollment
- 180 clinicians in this Medicare group
Big Rapids, MI 49307
- Reassigned Medicare billing, Michigan enrollment
- 151 clinicians in this Medicare group
Lakeview, MI 48850
- Reassigned Medicare billing, Michigan enrollment
- 242 clinicians in this Medicare group
Ludington, MI 49431
- Reassigned Medicare billing, Michigan enrollment
- 168 clinicians in this Medicare group
Hastings, MI 49058
- Reassigned Medicare billing, Michigan enrollment
- 184 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 167 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 724 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 49412 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.
FREMONT, MI 49412
FREMONT, MI 49412
FREMONT, MI 49412
FREMONT, MI 49412
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 Rebecca Collaer's NPI number?
The NPI number for Rebecca Collaer is 1275592750. It was assigned to this individual provider in the NPPES registry on March 22, 2006. The provider is also known as Rebecca Johnson MD.
Where is Rebecca Collaer located?
Rebecca Collaer practices at 212 S Sullivan Ave, Fremont, MI 49412. The listed phone number is (231) 924-6600.
What is Rebecca Collaer's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Rebecca Collaer enrolled in Medicare?
Yes. Rebecca Collaer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rebecca Collaer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Collaer reassigns Medicare benefits to 7 organizations: Newaygo County General Hospital Association (Fremont, MI), Mecosta County Medical Center (Big Rapids, MI), Spectrum Health United (Lakeview, MI), Memorial Medical Center Of West Michigan (Ludington, MI), Pennock Hospital (Hastings, 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 Rebecca Collaer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Collaer accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Rebecca Collaer 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 Rebecca Collaer was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Rebecca Ann Collaer, MD · NPI 1275592750
Pediatrics physician in Fremont, Michigan. Individual provider, active in the CMS NPPES registry since March 22, 2006.
## Identity
- **NPI:** 1275592750 (Entity type: Individual)
- **Enumerated:** March 22, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 4301089462 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 212 S SULLIVAN AVE, Fremont, MI 49412-1548
- **Phone:** (231) 924-6600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Newaygo County General Hospital Association (NPI 1609009554, Fremont, MI); Mecosta County Medical Center (NPI 1508146457, Big Rapids, MI); Spectrum Health United (NPI 1164766465, Lakeview, MI); Memorial Medical Center Of West Michigan (NPI 1356510259, Ludington, MI); Pennock Hospital (NPI 1518186295, Hastings, MI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1275592750) · Data from the CMS NPPES public registry.