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THIYAGARAJAN RAJU MEYAPPAN MD
NPI 1770661126
Pediatrics - Pediatric Critical Care Medicine in Denver, CO

Active since November 02, 2006PECOS Enrolled
1719 E 19TH AVE, RMCH - PEDIATRIC INTENSIVE CARE UNIT - 3RD FLOOR, DENVER, CO 80218(720) 754-4300 Get Directions Write a Review

NPPES record last updated: August 11, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Thiyagarajan Raju Meyappan Md NPPES

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

THIYAGARAJAN RAJU MEYAPPAN MD (NPI 1770661126) is an individual pediatric critical care medicine provider in Denver, Colorado, licensed in Colorado (49969) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770661126
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameTHIYAGARAJAN RAJU MEYAPPANCredential: MD
Location Address1719 E 19TH AVE, RMCH - PEDIATRIC INTENSIVE CARE UNIT - 3RD FLOORDenver, CO 80218-1235
Mailing Address1719 E 19th Ave, Rmch - Pediatric Intensive Care Unit - 3rd FloorDenver, CO 80218-1235 · (720) 754-4300
Phone(720) 754-4300
Sole ProprietorNo
Enumeration DateNovember 2, 2006
Last NPPES UpdateAugust 11, 2011
✔ NPI 1770661126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
Licenses✔ Licensed in CO · 49969✔ Licensed in NY · 238275-1✔ Licensed in TX · M4879
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
1719 E 19TH AVE, Denver, CO 80218
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Other Identifiers 1

Medicare UPINI71530

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thiyagarajan Raju Meyappan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Thiyagarajan Meyappan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obstetrix Medical Group Of Colorado P C
Same address
Neonatal-Perinatal Medicine
1719 E 19TH AVE
Denver, CO 80218
  • Reassigned Medicare billing, Colorado enrollment
  • 118 clinicians in this Medicare group
NPI 1700983103 (303) 839-6000
Healthone Clinic Services - Pediatric Specialties LLC
0.1 mi
Pediatrics
2001 N HIGH ST
Denver, CO 80205
  • Reassigned Medicare billing, Colorado enrollment
  • 23 clinicians in this Medicare group
NPI 1720293251 (720) 754-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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. LISA MARIE GRISS MD
Pediatrics
1719 E 19TH AVE
DENVER, CO 80218
Denver County (303) 754-4400
MARIAH MEEKS RN
Registered Nurse (Critical Care Medicine)
1719 E 19TH AVE
DENVER, CO 80218
Denver County (720) 754-6000
ALAN J. COMO
Emergency Medicine
1719 E 19TH AVE
DENVER, CO 80218
Denver County (303) 839-7111
KATHRYN BRECHT MS, NNP-BC
Nurse Practitioner (Neonatal)
1719 E 19TH AVE
DENVER, CO 80218
Denver County (303) 839-6000
OBSTETRIX MEDICAL GROUP OF COLORADO, P.C.
Pediatrics (Pediatric Cardiology)
1719 E 19TH AVE
DENVER, CO 80218
Denver County (303) 839-6000
DANIEL W LAWLER
Anesthesiology
1719 E 19TH AVE
DENVER, CO 80218
Denver County (303) 869-2429
DR. HEATHER EMILY JOHNSON MD
Hospitalist
1719 E 19TH AVE
DENVER, CO 80218
Denver County (713) 500-6526
DR. JULIA WAIKEE WONG DO
Hospitalist
1719 E 19TH AVE
DENVER, CO 80218
Denver County (303) 338-4545

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 Thiyagarajan Meyappan's NPI number?

The NPI number for Thiyagarajan Meyappan is 1770661126. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Where is Thiyagarajan Meyappan located?

Thiyagarajan Meyappan practices at 1719 E 19th Ave Rmch - Pediatric Intensive Care Unit - 3rd Floor, Denver, CO 80218. The listed phone number is (720) 754-4300.

What is Thiyagarajan Meyappan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Thiyagarajan Meyappan enrolled in Medicare?

Yes. Thiyagarajan Meyappan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thiyagarajan Meyappan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thiyagarajan Meyappan reassigns Medicare benefits to 2 organizations: Obstetrix Medical Group Of Colorado P C (Denver, CO) and Healthone Clinic Services - Pediatric Specialties LLC (Denver, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thiyagarajan Meyappan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thiyagarajan Meyappan accept?

Health plans from Antidote Health of TX and Blue Cross and Blue Shield of Texas list Thiyagarajan Meyappan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thiyagarajan Meyappan was last updated on August 11, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.