Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Nirmaladevi Jayanthan, MD

Internal Medicine Physician in Waldorf, MD · enumerated 2006 · practices at Jayanthan.M.D.,P.A.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1134297450

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Registry record

Entity type Individual (Type 1)

Name Dr. Nirmaladevi Jayanthan

Credential MD

Sex Female

Practice address 3328 Old Washington Rd, Waldorf, MD, 20602

Phone (301) 932-4954

Fax (301) 932-5095

Enumeration date Dec 4, 2006

Last updated in NPPES Mar 6, 2009

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D45737 (MD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
161731100	Medicaid	MD	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Nirmaladevi Jayanthan?

The National Provider Identifier (NPI) for Nirmaladevi Jayanthan is 1134297450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nirmaladevi Jayanthan practice?

The practice location on file with NPPES is in Waldorf, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Jayanthan.M.D.,P.A Internal Medicine Physician · Waldorf, MD NPI 1316111651

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-06.