Mackenzie Brennan
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 11215 7 Locks Rd, Potomac, MD 20854
- Practice phone
- Call (877) 407-3422
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fox Rehabilitation Services
Potomac, Maryland
Find Mackenzie Brennan'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.
Mackenzie Brennan is an occupational therapist in Potomac, Maryland
Mackenzie Brennan practices at Fox Rehabilitation Services in Potomac, Maryland.
Mackenzie Brennan's NPI, 1528954229, was assigned on June 17, 2025. Mackenzie Brennan holds Virginia license 0119010886.
- NPI
- 1528954229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123530003
- NPI enumeration date
- June 17, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (877) 407-3422
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mackenzie Brennan practices at Fox Rehabilitation Services in Potomac, Maryland
Mackenzie Brennan's primary practice is Fox Rehabilitation Services, at 11215 7 Locks Rd, Potomac, MD 20854 in Montgomery County. The practice phone is (877) 407-3422.
- Fox Rehabilitation Services11215 7 Locks Rd, Potomac, MD 20854 · Montgomery CountyPhone(877) 407-3422
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mackenzie Brennan is affiliated with 2 sites of care and 1 medical group
Mackenzie Brennan's primary practice is Fox Rehabilitation Services in Potomac, Maryland. The medical group on file is FOX Rehabilitation. Dmand AI also links Mackenzie Brennan to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mackenzie Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mackenzie Brennan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fox Rehabilitation Services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mackenzie Brennan is one of 718 occupational therapists in Maryland
Occupational therapist is Mackenzie Brennan's primary specialty in the NPI Registry, under taxonomy code 225X00000X. Mackenzie Brennan is licensed in Virginia.
Specialties and state licenses
- Occupational therapist, VirginiaPrimary
Occupational therapists near Mackenzie Brennan
Counts of occupational therapists 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
Mackenzie Brennan's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Mackenzie Brennan's median patient age at 80, with 67% women.
Mackenzie Brennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
How Mackenzie Brennan takes part in Medicare
Mackenzie Brennan 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)
Sources for Mackenzie Brennan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 Mackenzie Brennan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mackenzie Brennan's NPI number?
Mackenzie Brennan's NPI number is 1528954229. It was assigned on June 17, 2025, and it is active in the NPI Registry.
What does Mackenzie Brennan specialize in?
Mackenzie Brennan is an occupational therapist in Potomac, Maryland. The primary specialty in the NPI Registry is Occupational Therapist (taxonomy code 225X00000X).
Where does Mackenzie Brennan practice?
Mackenzie Brennan practices at 11215 7 Locks Rd, Potomac, MD 20854. Mackenzie Brennan's primary practice is Fox Rehabilitation Services in Potomac, Maryland. Dmand AI also links Mackenzie Brennan to 1 group practice or clinic.
What is Mackenzie Brennan's office phone number?
The practice phone on file for Mackenzie Brennan is (877) 407-3422.
What is Mackenzie Brennan's medical license number?
Mackenzie Brennan holds Virginia license 0119010886.
What medical group is Mackenzie Brennan part of?
Mackenzie Brennan is linked to FOX Rehabilitation.
Does Mackenzie Brennan accept Medicare?
Yes. CMS lists Mackenzie Brennan as accepting Medicare assignment.
How long has Mackenzie Brennan been practicing?
Mackenzie Brennan graduated from medical school in 2024, 2 years ago.
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