Katherine Keyser, DPT
NPI 1538837398 · Physical Therapist · Gaithersburg, MD
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Keyser, DPT is a Physical Therapist provider in Gaithersburg, MD (NPI 1538837398).
Provider details
- NPI number
- 1538837398
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Physical Therapist225100000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,357 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Functional Activities97530 | 904 | $32 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 638 | $22 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 391 | $27 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 334 | $21 |
| Electrical Stimulation (unattended), to One Or More Areas for Indication(s) Other Than Wound Care, As Part of a Therapy Plan of CareG0283 | 52 | $9 |
| Evaluation for Physical Therapy, Typically 30 Minutes97162 | 38 |
Practice location
Mailing address
Additional practice locations (1)
- 4125 Ironbound Rd Ste 100Williamsburg, VA 23188-2666Phone: (757) 220-8383
Registry dates
- Enumerated
- 2021-09-05
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is Katherine Keyser's NPI number?
- Katherine Keyser's National Provider Identifier (NPI) is 1538837398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Keyser's specialty?
- Katherine Keyser is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Katherine Keyser located?
- Katherine Keyser's practice location on file with NPPES is 9156 Rothbury Dr, Gaithersburg, MD 20886-1400.
- What is Katherine Keyser's phone number?
- The practice phone number listed in the NPPES registry for Katherine Keyser is (240) 690-7595.
- Does Katherine Keyser accept Medicare?
- Katherine Keyser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Keyser's NPI active?
- Yes — Katherine Keyser's NPI (1538837398) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.