NPPES file of Aug 9, 2026

Mary Kathleen McFalls, M.S.,R.D., L.D.

Registered Dietitian · Largo, MD

Mary Kathleen McFalls, M.S.,R.D., L.D. is a registered dietitian with a practice address in Largo, Maryland, and NPI 1154576932, issued on Nov 20, 2008. Check the license (Maryland N00059, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154576932
Name
Mary Kathleen McFalls
Credential
M.S.,R.D., L.D.
Primary taxonomy
Registered Dietitian 133V00000X
License numbers
N00059 MD
DI146 DC
Self-reported in NPPES; status is on the state search
Practice location
1221 Mercantile LN, Largo, MD 20774
Phone
(301) 618-5500
Enumerated
Nov 20, 2008
Record last updated
Jun 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150511002222); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 1,124 in Maryland → Look up another NPI →

Also registered at 1221 Mercantile LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cheryl Abbott, RN,BSN,CM-CCase Management Registered Nurse1366743122
  2. Grace AdumanisaResearch Study Specialist1104663145
  3. Cielito Aguinaldo, MDInternal Medicine Physician1063585347
  4. Elma Alston, LCSW-CClinical Social Worker1629300488
  5. Bridget AnyiwoPharmacist1326228529
  6. Brian Armstrong, MDOphthalmology Physician1285781179

Verify Mary Kathleen McFalls in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license N00059    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Kathleen McFalls among 1,124 registered dietitian records in Maryland

Mary Kathleen McFalls, M.S.,R.D., L.D. is one of 1,124 registered dietitian records with a practice address in Maryland. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 17% of them.

  • NPI issued2008 · 17% of these records are older, 79% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 13% of these records are
  • Graduated1990 · median 2015 among the 143 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Maryland

There are 1,124 registered dietitian records in Maryland.

All 1,124 in Maryland → Every provider in Largo → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Jennifer Headley-Bunns, R.D., L.D.Largo, MD 207741194980300
  2. Astrid InnissUpper Marlboro, MD 207741730001496
  3. Cheryl McAfee, RDUpper Marlboro, MD 207741356623615
  4. Florence Omerennah, RD LD/NLargo, MD 207741952547911
  5. Stephany Venero, REGISTERED DIETITIANUpper Marlboro, MD 207741568099471
  6. Kimberly Kuczynski, MS, RD, LDUpper Marlboro, MD 207721962928747
  7. Thomas AquilinoGreenbelt, MD 207701043131972
  8. Penny Brooks, MS, RD, LD/NGreenbelt, MD 207701134819790

Common questions

What is Mary Kathleen McFalls, M.S.,R.D., L.D.'s NPI number?

Mary Kathleen McFalls, M.S.,R.D., L.D.'s National Provider Identifier (NPI) is 1154576932, issued on Nov 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mary Kathleen McFalls, M.S.,R.D., L.D. located?

The NPPES record lists a practice address at 1221 Mercantile LN, Largo, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.

How can I verify Mary Kathleen McFalls, M.S.,R.D., L.D.'s license?

NPPES lists Maryland license number N00059, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.