MRS. KAITLYN MARIE MAHAFFY
NPI 1023879657
Nurse Practitioner - Family in Port Huron, MI
About Mrs. Kaitlyn Marie Mahaffy NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KAITLYN MARIE MAHAFFY (NPI 1023879657) is an individual family provider in Port Huron, Michigan, licensed in Michigan (4704360402) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Lake Huron Medical Center, and maintains a secondary practice location in Royal Oak.
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Mrs. Kaitlyn Marie Mahaffy 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 Reassignment
Medicare enrollment records show Kaitlyn Mahaffy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Huron, MI 48060
- Reassigned Medicare billing, Michigan enrollment
- 4 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lake Huron Medical Center
Acute Care Hospitals · Port Huron, MIMclaren Port Huron
Acute Care Hospitals · Port Huron, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48060 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Kaitlyn Mahaffy's NPI number?
The NPI number for Kaitlyn Mahaffy is 1023879657. It was assigned to this individual provider in the NPPES registry on January 22, 2024. The provider is also known as Ms. Kaitlyn Marie Amey.
Where is Kaitlyn Mahaffy located?
Kaitlyn Mahaffy practices at 1210 10th Ave, Port Huron, MI 48060. The listed phone number is (810) 662-3505.
What is Kaitlyn Mahaffy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kaitlyn Mahaffy enrolled in Medicare?
Yes. Kaitlyn Mahaffy 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 organization bills Medicare for Kaitlyn Mahaffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kaitlyn Mahaffy reassigns Medicare benefits to Blue Water Internal Medicine, PC (Port Huron, MI). The 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 Kaitlyn Mahaffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kaitlyn Mahaffy accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Kaitlyn Mahaffy 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 Kaitlyn Mahaffy affiliated with any hospitals?
According to CMS data, Kaitlyn Mahaffy is affiliated with Lake Huron Medical Center and Mclaren Port Huron.
When was this NPI record last updated?
The NPPES record for Kaitlyn Mahaffy was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mrs. Kaitlyn Marie Mahaffy · NPI 1023879657
Family physician in Port Huron, Michigan. Individual provider, active in the CMS NPPES registry since January 22, 2024.
## Identity
- **NPI:** 1023879657 (Entity type: Individual)
- **Enumerated:** January 22, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704360402 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1210 10TH AVE, Port Huron, MI 48060-3406
- **Phone:** (810) 662-3505
## 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:** Blue Water Internal Medicine, PC (NPI 1255967667, Port Huron, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2024
## Record status
- **NPPES last updated:** January 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023879657) · Data from the CMS NPPES public registry.