NPPES file of Aug 9, 2026

Samuel Navaratnam Nava, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician · Cumberland, MD

Samuel Navaratnam Nava, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Cumberland, Maryland, and NPI 1134267719, issued on Feb 3, 2007. Check the license (Maryland D 0023633, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134267719
Name
Samuel Navaratnam Nava
Credential
M.D.
Primary taxonomy
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
License number
D 0023633 MD
Self-reported in NPPES; status is on the state search
Practice location
81 Baltimore St, Cumberland, MD 21502
Phone
(301) 777-9330
Enumerated
Feb 3, 2007
Record last updated
Sep 11, 2025
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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Also registered at 81 Baltimore St

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

  1. Tina Stickley, L.C.P.C.Professional Counselor1487713244
  2. Kathryn Whitacre, LCSW-CClinical Social Worker1992951172

Verify Samuel Navaratnam Nava in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D 0023633
    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
Open the Maryland license search

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89% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024

73 Medicare Part D claims for 13 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D.

  1. Samuel Nava73
  2. Specialty average655

Most prescribed

  1. Lorazepam14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Samuel Navaratnam Nava among 11 sleep medicine (psychiatry & neurology) physician records in Maryland

Samuel Navaratnam Nava, M.D. is one of 11 sleep medicine (psychiatry & neurology) physician records with a practice address in Maryland. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.

  • NPI issued2007 · 27% of these records are older, 36% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileNo · 82% of these records are
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Psychiatry & Neurology) Physician providers in Maryland

There are 11 sleep medicine (psychiatry & neurology) physician records in Maryland.

The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes

  1. Konrad Bakker, M.D.Frederick, MD 217021346246782
  2. Catherine Griffin, MDBaltimore, MD 212291629284286
  3. Raya Wehbeh, MDBaltimore, MD 212041225315989
  4. Connie Thomas, M.D.Bethesda, MD 208891215283387
  5. Syed Ahmed, M.D.Germantown, MD 208761144434887
  6. Pamela Howard, MDRockville, MD 208541982726493
  7. Ritula Mehndiratta, MDRockville, MD 208501619067659
  8. Yash Mehndiratta, M.D.Rockville, MD 208501033183868

Common questions

What is Samuel Navaratnam Nava, M.D.'s NPI number?

Samuel Navaratnam Nava, M.D.'s National Provider Identifier (NPI) is 1134267719, issued on Feb 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Navaratnam Nava, M.D. located?

The NPPES record lists a practice address at 81 Baltimore St, Cumberland, MD, 21502. Phone: (301) 777-9330. Providers update this record themselves, so call before visiting.

How can I verify Samuel Navaratnam Nava, M.D.'s license?

NPPES lists Maryland license number D 0023633, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Samuel Navaratnam Nava, M.D. prescribe under Medicare Part D?

In 2024, Samuel Navaratnam Nava, M.D. had 73 Medicare Part D claims for 13 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. Part D covers Medicare prescriptions 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.

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.