Marian Mackenzie, PT
Physical Therapist · Bel Air, MD
Marian Mackenzie, PT is a physical therapist with a practice address in Bel Air, Maryland, and NPI 1174686430, issued on Dec 18, 2006. Check the license (Maryland 18140, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marian Mackenzie
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 18140 MD
Self-reported in NPPES; status is on the state search - Practice location
- 658 Boulton St, Bel Air, MD 21014
- Phone
- (301) 581-8054
- Enumerated
- Dec 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 564-0284
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 6,177 in Maryland → Look up another NPI →
Also registered at 658 Boulton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Biffoni, OTOccupational Therapist1932262201
- Therese Feehley, PTPhysical Therapist1740343011
- James Fischer, PTPhysical Therapist1922161207
- Sandra Goscinski, OTOccupational Therapist1538223649
- Keisha Jennings-Eakin, OTOccupational Therapist1316112527
- Karie Johnson, ATCAthletic Trainer1427110535
Verify Marian Mackenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 18140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marian Mackenzie among 6,177 physical therapist records in Maryland
Marian Mackenzie, PT is one of 6,177 physical therapist records with a practice address in Maryland. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 85% newer
- In a Medicare fileNo · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 physical therapist records list a practice address in Bel Air
They are 119 of the 1,945 NPPES records with a practice address in Bel Air, and 6,177 physical therapist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,177 in Maryland → Every provider in Bel Air → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- David Barringer, PTBel Air, MD 210141154388437
- James Fischer, PTBel Air, MD 210141922161207
- William Keiber, P.T.Bel Air, MD 210141083726244
- Sherri Leppert, PTBel Air, MD 210141245324987
- Steven Luca, PTBel Air, MD 210141043373301
- Beth Lusky, P.T.Bel Air, MD 210141467551846
- Kevin Murray, PTBel Air, MD 210141306817275
- Adam PopchakBel Air, MD 210141689630618
Common questions
What is Marian Mackenzie, PT's NPI number?
Marian Mackenzie, PT's National Provider Identifier (NPI) is 1174686430, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marian Mackenzie, PT located?
The NPPES record lists a practice address at 658 Boulton St, Bel Air, MD, 21014. Phone: (301) 581-8054. Providers update this record themselves, so call before visiting.
How can I verify Marian Mackenzie, PT's license?
NPPES lists Maryland license number 18140, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.