Marianne De Castro
NPI 1649713736 · Occupational Therapist · Gaithersburg, MD
Marianne De Castro is a Occupational Therapist provider in Gaithersburg, MD (NPI 1649713736).
Provider details
- NPI number
- 1649713736
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 07548 (MD)
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
9 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
731 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) |
|---|---|---|
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 551 | $29 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 145 | $24 |
| Therapy Procedure Using Functional Activities97530 | 21 | $36 |
| Evaluation for Occupational Therapy, Typically 30 Minutes97165 | 14 | $111 |
Typical Medicare-allowed amounts for these services range $24–$111 (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)
- 4922 Lasalle RdHyattsville, MD 20782-3302Phone: (301) 864-2333Fax: (877) 882-8206
Registry dates
- Enumerated
- 2016-11-22
- Last updated
- 2019-03-07
Frequently asked questions
- What is Marianne De Castro's NPI number?
- Marianne De Castro's National Provider Identifier (NPI) is 1649713736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne De Castro's specialty?
- Marianne De Castro is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marianne De Castro located?
- Marianne De Castro's practice location on file with NPPES is 301 Russell Ave, Gaithersburg, MD 20877-2800.
- What is Marianne De Castro's phone number?
- The practice phone number listed in the NPPES registry for Marianne De Castro is (301) 216-4247.
- Is Marianne De Castro's NPI active?
- Yes — Marianne De Castro's NPI (1649713736) is active in the NPPES registry as of the last update on 2019-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.