Mary Machaca, RD, LD
NPI 1780476820 · Registered Dietitian · Derwood, MD
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Machaca, RD, LD is a Registered Dietitian provider in Derwood, MD (NPI 1780476820).
Provider details
- NPI number
- 1780476820
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LD
- Sex
- Female
- Sole proprietor
- No
- License
- DX7275 (MD)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-05-22
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Mary Machaca's NPI number?
- Mary Machaca's National Provider Identifier (NPI) is 1780476820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Machaca's specialty?
- Mary Machaca is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Machaca located?
- Mary Machaca's practice location on file with NPPES is 7361 Calhoun Pl Ste 600, Derwood, MD 20855-2788.
- What is Mary Machaca's phone number?
- The practice phone number listed in the NPPES registry for Mary Machaca is (301) 942-7600.
- Does Mary Machaca accept Medicare?
- Mary Machaca is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Machaca's NPI active?
- Yes — Mary Machaca's NPI (1780476820) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.