Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NANDINI THILLAIRAJAH M.D.
NPI 1093762197
Pediatrics in Rockville, MD

Q: What is Nandini Thillairajah's NPI number?

The NPI number for Nandini Thillairajah is 1093762197. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Q: What is Nandini Thillairajah's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since May 27, 2006PECOS Enrolled

11119 ROCKVILLE PIKE, SUITE 310, ROCKVILLE, MD 20852(301) 468-9225(301) 770-2863 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Nandini Thillairajah M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NANDINI THILLAIRAJAH M.D. (NPI 1093762197) is an individual pediatrics provider in Rockville, Maryland, licensed in Maryland (D0052630) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1994).

NPPES Registry Identity

NPI1093762197

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. NANDINI THILLAIRAJAHCredential: M.D.

Location Address11119 ROCKVILLE PIKE, SUITE 310Rockville, MD 20852-3143

Mailing Address9910 Harrogate RdBethesda, MD 20817-1561 · (301) 365-9284 · Fax (301) 770-2863

Phone(301) 468-9225

Fax(301) 770-2863

Sole ProprietorNo

Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1994

Enumeration DateMay 27, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1093762197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MD · D0052630

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

11119 ROCKVILLE PIKE, Rockville, MD 20852

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nandini Thillairajah M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496011819

PECOS Enrollment IDI20171117000362

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20852 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JAMES YAN M.D.

Psychiatry & Neurology (Neurology)

11119 ROCKVILLE PIKE
ROCKVILLE, MD 20852

Montgomery County (301) 468-1997

GERALD D. ROGELL, M.D., P.A.

Specialist

11119 ROCKVILLE PIKE, SUITE #404
ROCKVILLE, MD 20852

Montgomery County (301) 468-1381

CHOUDRY, IJAZ AND ALI P.A.

Internal Medicine (Cardiovascular Disease)

11119 ROCKVILLE PIKE, SUITE 100
ROCKVILLE, MD 20852

Montgomery County (301) 816-9000

LING LIU I L. AC., DIPL. AC.

Acupuncturist

11119 ROCKVILLE PIKE, 209
ROCKVILLE, MD 20852

Montgomery County (301) 706-5038

A&A HEARING GROUP, LLC

Audiologist

11119 ROCKVILLE PIKE, SUITE 210
ROCKVILLE, MD 20852

Montgomery County (301) 468-3977

JEFFREY MILTON GILBERT DDS

Dentist (General Practice)

11119 ROCKVILLE PIKE, SUITE 322
NORTH BETHESDA, MD 20852

Montgomery County (301) 468-6880

DR. MONA AMIN KALHOR PSY. D.

Psychologist (Clinical)

11119 ROCKVILLE PIKE, STE 316
ROCKVILLE, MD 20852

Montgomery County (301) 230-8989

DR. DANA ELIZABETH O'BRIEN PHD

Psychologist (Clinical)

11119 ROCKVILLE PIKE, SUITE 200
ROCKVILLE, MD 20852

Montgomery County (301) 231-9665

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nandini Thillairajah's NPI number?

The NPI number for Nandini Thillairajah is 1093762197. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Nandini Thillairajah located?

Nandini Thillairajah practices at 11119 Rockville Pike Suite 310, Rockville, MD 20852. The listed phone number is (301) 468-9225.

What is Nandini Thillairajah's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Nandini Thillairajah enrolled in Medicare?

Yes. Nandini Thillairajah is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Nandini Thillairajah was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.