ALLEN P ANANDARAJAH MD
NPI 1366469710
Internal Medicine - Rheumatology in Indianapolis, IN
About Allen P Anandarajah Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLEN P ANANDARAJAH MD (NPI 1366469710) is an individual rheumatology provider in Indianapolis, Indiana, licensed in Indiana (01098845A) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Allen P Anandarajah Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Allen Anandarajah reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 40 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INF F Thompson Hospital
Acute Care Hospitals · Canandaigua, NYSt James Mercy Hospital
Acute Care Hospitals · Hornell, NYStrong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
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 Allen Anandarajah's NPI number?
The NPI number for Allen Anandarajah is 1366469710. It was assigned to this individual provider in the NPPES registry on July 15, 2006.
Where is Allen Anandarajah located?
Allen Anandarajah practices at 550 N University Blvd, Indianapolis, IN 46202. The listed phone number is (317) 274-4377.
What is Allen Anandarajah's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Allen Anandarajah enrolled in Medicare?
Yes. Allen Anandarajah 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.
Which organizations bill Medicare for Allen Anandarajah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allen Anandarajah reassigns Medicare benefits to 3 organizations: Iu Health Medical Group, LLC (Indianapolis, IN), Allergy - Immunology - Rheumatology Clinical Group (Rochester, NY) and University Of Rochester (Rochester, NY). 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 Allen Anandarajah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allen Anandarajah accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Allen Anandarajah 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.
Is Allen Anandarajah affiliated with any hospitals?
According to CMS data, Allen Anandarajah is affiliated with Indiana University Health, F F Thompson Hospital, St James Mercy Hospital and Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Allen Anandarajah was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Allen P Anandarajah, MD · NPI 1366469710
Rheumatology physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since July 15, 2006.
## Identity
- **NPI:** 1366469710 (Entity type: Individual)
- **Enumerated:** July 15, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 01098845A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 N UNIVERSITY BLVD, Indianapolis, IN 46202-5149
- **Phone:** (317) 274-4377
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN); Allergy - Immunology - Rheumatology Clinical Group (NPI 1497702286, Rochester, NY); University Of Rochester (NPI 1346285657, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** April 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366469710) · Data from the CMS NPPES public registry.