Nandini Thillairajah, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

D0052630 Issued in MD

Practice address

11119 Rockville Pike
Suite 310
Rockville, MD 20852-3143

Phone

(301) 468-9225

Fax

(301) 770-2863

NPI assigned

May 27, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Pediatric Medicine

Education

Perelman School of Med at the University of Pennsylvania, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/8042/brand/1/csg/1/fhir/r4
• Direct secure messaging: nandini.thillairajah.1@8042.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/7998/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480

  DC, Pediatrics

  Medicare reassignment Care Compare group NPD
• Privia Care Center LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1164874426

  DC, Pediatrics

  Medicare reassignment NPD
• Privia Care Center LLC

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1730664012

  Pediatrics

  NPD
• Privia Medical Group, LLC

  • Pain Medicine (Psychiatry & Neurology) Physician
  • Rockville, MD
  • NPI 1811715436
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Nova Physician Wellness Center PLLC

  • Family Medicine Physician
  • Fairfax, VA
  • NPI 1215307400
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1148688000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1093762197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9910 HARROGATE RD",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208171561",
            "telephone_number": "301-365-9284",
            "fax_number": "301-770-2863"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11119 ROCKVILLE PIKE",
            "address_2": "SUITE 310",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208523143",
            "telephone_number": "301-468-9225",
            "fax_number": "301-770-2863"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THILLAIRAJAH",
        "first_name": "NANDINI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MD",
            "license": "D0052630",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patricia Therres
• Joy Thibeault, LCSW-C
• David P Thibodeaux, PT
• Mindy Thiel, LCSWC
• Hannah K Thiessen, LMSW
• Memunatu Emmanuella Tholley
• Thomas E. Kasper, M.D., P.a.
• Thomas Mould
• Abreyia Thomas
• Alexandra Yvonne Thomas

• Pediatrics Physician in Rockville, MD
• Providers in Rockville, MD by specialty
• Pediatrics Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.