Kathleen S Bonsall, PT, DPT
Individual provider Active NPI Physical Therapist · Clarksburg, MD
NPI 1811220445 · NPPES record last updated Nov 5, 2025
Key facts
- NPI
- 1811220445
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Physical Therapist 225100000X
- License
- CP050275T (MD)
- Practice address
- 22750 Newcut Rd Ste D-1a
Clarksburg, MD 20871-5333 - Phone
- (301) 250-2146
- NPI assigned
- Sep 15, 2009
- Sex
- Female
- Sole proprietor
- No
Organizations & group practices 22
Medicare Care Compare profile
- Specialty
- Physical Therapist in Private Practice
- Education
- Other, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Ati Holdings, LLC
Ivyrehab Network Inc
Practice addresses (Care Compare)
11271 New Hampshire Ave
Ati Physical Therapy
Silver Spring, MD 20904-2631
Phone (240) 485-1280
330 N Harrison St
Suite 2
Princeton, NJ 08540-3500
Phone (631) 580-5200
9156 Rothbury Dr
Gaithersburg, MD 20886-1400
Phone (240) 690-7595
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (2 enrollments) in NJ, DC
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20160328002326 | NJ | Practitioner - Physical Therapist in Private Practice | 9234436700 | Reassigns benefits to 1 organization |
| I20251123000162 | DC | Practitioner - Physical Therapist in Private Practice | 9234436700 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CP050275T | MD | MD | Physical Therapist |
| PT020193 | PA | MD | Physical Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ati Holdings, LLC | Physical Therapist | Current |
Accepting new patients |
| Ati Holdings, LLC | Physical Therapist | Current |
Accepting new patients |
Locations
4947 Paysphere Cir
Chicago, IL 60674
Phone (630) 783-2001
2001 Butterfield Rd
Ste 1600
Downers Grove, IL 60515
22750 Newcut Rd
Ste D1
Clarksburg, MD 20871
Phone (301) 250-2146
9156 Rothbury Dr
Gaithersburg, MD 20886
Phone (240) 690-7595
10060 Darnestown Rd
Rockville, MD 20850
Phone (240) 238-0403
11271 New Hampshire Ave
Silver Spring, MD 20904
Phone (240) 485-1280
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Therapist | 225100000X | CP050275T | MD | Yes |
| Physical Therapist | 225100000X | PT020193 | PA | |
| Physical Therapist | 225100000X | 40QA01480800 | NJ |
Addresses
Primary practice location
22750 Newcut Rd Ste D-1a
Clarksburg, MD 20871-5333
Mailing address
2001 Butterfield Rd Ste 1600
Downers Grove, IL 60515-1211
Other practice location 1
200 Campbell Dr Ste 107
Willingboro, NJ 08046-1067
Phone (609) 614-3997
Other practice location 2
3119 Cranberry Hwy
Suite 4
East Wareham, MA 02538-4840
Phone (508) 759-5411
Other providers in Clarksburg, MD
- Maureen Bejanga
- Benab Healthcare Services Incorporated
- Ahmadu Umarr Benya
- Ivy J Birech
- Blossom Community Care, Inc
- James London Boyd
- Brli Genpath Diagnostics, Inc
- Browne-Mindcare Solutions of Maryland, P.C.
- Bryden LLC
- Hawa Estella Buck
All providers in Clarksburg, MD · Physical Therapist in Maryland
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Nov 5, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.