LINDA CAROL HAMMER NP
NPI 1770370223
Nurse Practitioner - Primary Care in Grand Rapids, MI
About Linda Carol Hammer Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LINDA CAROL HAMMER NP (NPI 1770370223) is an individual primary care provider in Grand Rapids, Michigan, licensed in Michigan (4704254405) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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
Linda Carol Hammer Np 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 Linda Hammer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brighton, MI 48114
- Reassigned Medicare billing, Michigan enrollment
- 383 clinicians in this Medicare group
Novi, MI 48375
- Reassigned Medicare billing, Michigan enrollment
- 169 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 49506 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Linda Hammer's NPI number?
The NPI number for Linda Hammer is 1770370223. It was assigned to this individual provider in the NPPES registry on April 21, 2025.
Where is Linda Hammer located?
Linda Hammer practices at 1551 Martin Luther King Jr St SE, Grand Rapids, MI 49506. The listed phone number is (616) 452-1568.
What is Linda Hammer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Linda Hammer enrolled in Medicare?
Yes. Linda Hammer 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 Linda Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Linda Hammer reassigns Medicare benefits to 2 organizations: Theoria Medical (Brighton, MI) and Complexcare Medical Group Midwest H PLLC (Novi, 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 Linda Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Linda Hammer accept?
Health plans from Priority Health list Linda Hammer 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 Linda Hammer was last updated on May 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Linda Carol Hammer, NP · NPI 1770370223
Primary Care physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since April 21, 2025.
## Identity
- **NPI:** 1770370223 (Entity type: Individual)
- **Enumerated:** April 21, 2025
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 4704254405 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1551 MARTIN LUTHER KING JR ST SE, Grand Rapids, MI 49506-8203
- **Phone:** (616) 452-1568
## 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): Theoria Medical (NPI 1164186946, Brighton, MI); Complexcare Medical Group Midwest H PLLC (NPI 1457144933, Novi, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** May 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770370223) · Data from the CMS NPPES public registry.