Edward Marshall, DPT, ECS, OCS, R.NCS
NPI 1639106677 · Clinical Electrophysiology Physical Therapist · Mount Airy, MD
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Edward Marshall, DPT, ECS, OCS, R.NCS is a Clinical Electrophysiology Physical Therapist provider in Mount Airy, MD (NPI 1639106677).
Provider details
- NPI number
- 1639106677
- Entity type
- Individual
- Primary specialty
- Clinical Electrophysiology Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT, ECS, OCS, R.NCS
- Sex
- Male
- Sole proprietor
- No
- License
- 17821-54217 (MD)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,401 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) |
|---|---|---|
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 779 | $95 |
| Nerve Conduction, 13 Or More Studies95913 | 422 | $282 |
| Needle Measurement of Electrical Activity in Trunk Or Head Muscles95887 | 200 | $84 |
Typical Medicare-allowed amounts for these services range $84–$282 (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
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2020-01-31
- Certified
- 2020-01-31
Frequently asked questions
- What is Edward Marshall's NPI number?
- Edward Marshall's National Provider Identifier (NPI) is 1639106677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Edward Marshall's specialty?
- Edward Marshall is listed in the NPPES registry with a primary specialty of Clinical Electrophysiology Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Edward Marshall located?
- Edward Marshall's practice location on file with NPPES is 6091 Toursome Dr, Mount Airy, MD 21771-8015.
- What is Edward Marshall's phone number?
- The practice phone number listed in the NPPES registry for Edward Marshall is (301) 252-5380.
- Does Edward Marshall accept Medicare?
- Edward Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Edward Marshall's NPI active?
- Yes — Edward Marshall's NPI (1639106677) is active in the NPPES registry as of the last update on 2020-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.