Mary Jean Stack, DPT
NPI 1508262734 · Physical Therapist · Great Falls, VA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Jean Stack, DPT is a Physical Therapist provider in Great Falls, VA (NPI 1508262734).
Provider details
- NPI number
- 1508262734
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2305212350 (VA)
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 tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
869 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 Manual Technique, Each 15 Minutes97140 | 463 | $21 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 225 | $25 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 181 | $34 |
Typical Medicare-allowed amounts for these services range $21–$34 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 10135 Colvin Run Rd Ste 100Great Falls, VA 22066-1872Phone: (703) 349-1030Fax: (703) 364-5124
Registry dates
- Enumerated
- 2014-11-17
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Mary Jean Stack's NPI number?
- Mary Jean Stack's National Provider Identifier (NPI) is 1508262734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jean Stack's specialty?
- Mary Jean Stack is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Jean Stack located?
- Mary Jean Stack's practice location on file with NPPES is 766 Walker Rd Ste B, Great Falls, VA 22066-2650.
- What is Mary Jean Stack's phone number?
- The practice phone number listed in the NPPES registry for Mary Jean Stack is (202) 349-1030.
- Does Mary Jean Stack accept Medicare?
- Mary Jean Stack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Jean Stack's NPI active?
- Yes — Mary Jean Stack's NPI (1508262734) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.