Marian Mackenzie, PT
NPI 1174686430 · Physical Therapist · Bel Air, MD
Marian Mackenzie, PT is a Physical Therapist provider in Bel Air, MD (NPI 1174686430).
Provider details
- NPI number
- 1174686430
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PT
- Sex
- Female
- Sole proprietor
- No
- License
- 18140 (MD)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marian Mackenzie's NPI number?
- Marian Mackenzie's National Provider Identifier (NPI) is 1174686430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marian Mackenzie's specialty?
- Marian Mackenzie is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marian Mackenzie located?
- Marian Mackenzie's practice location on file with NPPES is 658 Boulton St, Bel Air, MD 21014-4214.
- What is Marian Mackenzie's phone number?
- The practice phone number listed in the NPPES registry for Marian Mackenzie is (301) 581-8054.
- Is Marian Mackenzie's NPI active?
- Yes — Marian Mackenzie's NPI (1174686430) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.