NPPES file of Aug 9, 2026

Janet M. Litwack, M.S., R.D., L.D.N

Registered Dietitian · Silver Spring, MD

Janet M. Litwack, M.S., R.D., L.D.N is a registered dietitian with a practice address in Silver Spring, Maryland, and NPI 1609180801, issued on Jul 29, 2010. Check the license (Maryland DX2680, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1609180801
Name
Janet M. Litwack
Credential
M.S., R.D., L.D.N
Primary taxonomy
Registered Dietitian 133V00000X
License number
DX2680 MD
Self-reported in NPPES; status is on the state search
Practice location
9805 Dameron Dr, Silver Spring, MD 20902
Phone
(301) 754-7848
Enumerated
Jul 29, 2010
Record last updated
Jul 29, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(301) 754-8501
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 →

Verify Janet M. Litwack 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 DX2680    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

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Janet M. Litwack among 1,124 registered dietitian records in Maryland

Janet M. Litwack, M.S., R.D., L.D.N 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 not. Its NPI, issued in 2010, is newer than 24% of them.

  • NPI issued2010 · 24% of these records are older, 73% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 13% of these records are
  • Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Lily Assefa, MS, RDN, LDNSilver Spring, MD 209021487193314
  2. Seth Cowan, MS, RDNSilver Spring, MD 209021134731896
  3. Yee Von GanSilver Spring, MD 209021659758936
  4. Karol Moen, R.D.Silver Spring, MD 209021356749816
  5. Gargi Parikh, REGISTERED DIETITIANSilver Spring, MD 209021013195262
  6. Lara Snead, RDSilver Spring, MD 209021689198830
  7. Hannah Sneska, MS, RDNWheaton, MD 209021184286171
  8. Elizabeth Socha, RD, CDCESSilver Spring, MD 209021740123025

Common questions

What is Janet M. Litwack, M.S., R.D., L.D.N's NPI number?

Janet M. Litwack, M.S., R.D., L.D.N's National Provider Identifier (NPI) is 1609180801, issued on Jul 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Janet M. Litwack, M.S., R.D., L.D.N located?

The NPPES record lists a practice address at 9805 Dameron Dr, Silver Spring, MD, 20902. Phone: (301) 754-7848. Providers update this record themselves, so call before visiting.

How can I verify Janet M. Litwack, M.S., R.D., L.D.N's license?

NPPES lists Maryland license number DX2680, 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. 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.