Kaitlyn Marie Mahaffy
- Hospital affiliations
- 2
- Industry payments
- $694
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 1210 10th Ave, Port Huron, MI 48060-3406
- Practice phone
- Call (810) 662-3505
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Blue Water Internal Medicine
Primary care practice · Port Huron, Michigan
Find Kaitlyn Mahaffy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Kaitlyn Marie Mahaffy is a family nurse practitioner in Port Huron, Michigan
Kaitlyn Mahaffy practices at Blue Water Internal Medicine in Port Huron, Michigan.
Kaitlyn Mahaffy's NPI, 1023879657, was assigned on January 22, 2024. Kaitlyn Mahaffy graduated from University of Michigan Medical School in 2024. Kaitlyn Mahaffy holds Michigan license 4704360402.
- NPI
- 1023879657NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436670825
- NPI enumeration date
- January 22, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (810) 662-3505
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Kaitlyn Marie Mahaffy practices at Blue Water Internal Medicine in Port Huron, Michigan
Kaitlyn Mahaffy's primary practice is Blue Water Internal Medicine, at 1210 10th Ave, Port Huron, MI 48060-3406. The practice phone is (810) 662-3505.
- Blue Water Internal Medicine1210 10th Ave, Port Huron, MI 48060-3406Phone(810) 662-3505
Source: Dmand AI Affiliation Data
Kaitlyn Marie Mahaffy is affiliated with 3 sites of care and 1 medical group
Kaitlyn Mahaffy's primary practice is Blue Water Internal Medicine in Port Huron, Michigan. Kaitlyn Mahaffy is also affiliated with McLaren Port Huron. The medical group on file is Blue Water Internal Medicine, PC. Dmand AI also links Kaitlyn Mahaffy to 1 more hospital, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Kaitlyn Marie Mahaffy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kaitlyn Mahaffy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Blue Water Internal Medicine | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Kaitlyn Marie Mahaffy is one of 4,420 family nurse practitioners in Michigan
Family is Kaitlyn Mahaffy's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Kaitlyn Mahaffy is licensed in Michigan.
Specialties and state licenses
- Family nurse practitioner, MichiganPrimary
Family nurse practitioners near Kaitlyn Mahaffy
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Kaitlyn Marie Mahaffy's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Kaitlyn Mahaffy's median patient age at 70, with 57% women.
Kaitlyn Mahaffy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
How Kaitlyn Marie Mahaffy takes part in Medicare
Kaitlyn Mahaffy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Kaitlyn Marie Mahaffy received $694 in industry payments in 2025
CMS Open Payments shows 41 general payments to Kaitlyn Mahaffy from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $99.
Companies that paid Kaitlyn Mahaffy the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Kaitlyn Marie Mahaffy graduated from University of Michigan Medical School
Kaitlyn Mahaffy graduated from University of Michigan Medical School in 2024.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Kaitlyn Marie Mahaffy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Kaitlyn Marie Mahaffy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kaitlyn Marie Mahaffy's NPI number?
Kaitlyn Marie Mahaffy's NPI number is 1023879657. It was assigned on January 22, 2024, and it is active in the NPI Registry.
What does Kaitlyn Marie Mahaffy specialize in?
Kaitlyn Marie Mahaffy is a family nurse practitioner in Port Huron, Michigan. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Kaitlyn Marie Mahaffy practice?
Kaitlyn Mahaffy practices at 1210 10th Ave, Port Huron, MI 48060-3406. Kaitlyn Mahaffy's primary practice is Blue Water Internal Medicine in Port Huron, Michigan. Dmand AI also links Kaitlyn Mahaffy to 1 hospital.
What is Kaitlyn Marie Mahaffy's office phone number?
The practice phone on file for Kaitlyn Mahaffy is (810) 662-3505.
What is Kaitlyn Marie Mahaffy's medical license number?
Kaitlyn Mahaffy holds Michigan license 4704360402.
Which hospitals is Kaitlyn Marie Mahaffy affiliated with?
Kaitlyn Mahaffy is affiliated with McLaren Port Huron. Dmand AI links Kaitlyn Mahaffy to 1 more hospital.
What medical group is Kaitlyn Marie Mahaffy part of?
Kaitlyn Mahaffy is linked to Blue Water Internal Medicine, PC.
Does Kaitlyn Marie Mahaffy accept Medicare?
Yes. CMS lists Kaitlyn Mahaffy as accepting Medicare assignment.
Where did Kaitlyn Marie Mahaffy go to medical school?
Kaitlyn Mahaffy graduated from University of Michigan Medical School in 2024.
Has Kaitlyn Marie Mahaffy received payments from drug or device companies?
CMS Open Payments shows $694 in general payments to Kaitlyn Mahaffy from 11 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Kaitlyn Marie Mahaffy been practicing?
Kaitlyn Mahaffy graduated from medical school in 2024, 2 years ago.
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