NPPES file of Aug 9, 2026

Nagaratnam Arul Ranjithan, M.D.

Nephrology Physician · Cumberland, MD

Nagaratnam Arul Ranjithan, M.D. is a nephrology physician with a practice address in Cumberland, Maryland, and NPI 1245284355, issued on May 22, 2006. Check the license (Maryland D0019318, as entered in NPPES) on the Maryland Board of Physicians; 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
1245284355
Name
Nagaratnam Arul Ranjithan
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
D0019318 MD
Self-reported in NPPES; status is on the state search
Practice location
517 E Oldtown RD, Cumberland, MD 21502
Phone
(301) 777-9393
Enumerated
May 22, 2006
Record last updated
Mar 26, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(301) 777-9066
Medicaid ID
220981100 MD
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 517 E Oldtown RD

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

  1. Pamela FradiskaSocial Worker1598186587
  2. Zachary MathewsFamily Nurse Practitioner1457048472
  3. Deirdre Mull, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1235315599

Verify Nagaratnam Arul Ranjithan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0019318
    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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Nephrology Physician providers in Maryland

There are 337 nephrology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other nephrology physician records in Maryland

  1. Hashim AbbasBaltimore, MD1396171070
  2. Kevin Abbott, MDBethesda, MD1730289133
  3. Hossam Abdalla, M.D.Glen Burnie, MD1285031765
  4. Marwa Abdalla, MBBSWaldorf, MD1851852768
  5. Jacques Abi Rached, MDBaltimore, MD1790920577
  6. Farah Abifaraj, MDBaltimore, MD1104352962
  7. Veena Acharya, MDBel Air, MD1285842211
  8. Rohini Adhikarla, M.DLutherville Timonium, MD1316146863
  9. Muzna Adil, M.D.Suitland, MD1780870618
  10. Harsha Adnani, MDAnnapolis, MD1437738838

Common questions

What is Nagaratnam Arul Ranjithan, M.D.'s NPI number?

Nagaratnam Arul Ranjithan, M.D.'s National Provider Identifier (NPI) is 1245284355, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nagaratnam Arul Ranjithan, M.D. located?

The NPPES record lists a practice address at 517 E Oldtown RD, Cumberland, MD, 21502. Phone: (301) 777-9393. Providers update this record themselves, so call before visiting.

How can I verify Nagaratnam Arul Ranjithan, M.D.'s license?

NPPES lists Maryland license number D0019318, 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.

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.

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.