DR. ABIRAMI NATARAJAN M.D.
NPI 1912357252
Internal Medicine in Boston, MA
About Dr. Abirami Natarajan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABIRAMI NATARAJAN M.D. (NPI 1912357252) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (282183) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Harvard Medical School (2016).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Abirami Natarajan 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.
Medicare Billing Reassignments
2Medicare enrollment records show Abirami Natarajan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- Also billed through NPI 1497912232 (North Carolina)
- 1,482 clinicians in this Medicare group
Raleigh, NC 27609
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Abirami Natarajan's NPI number?
The NPI number for Abirami Natarajan is 1912357252. It was assigned to this individual provider in the NPPES registry on June 17, 2016.
Where is Abirami Natarajan located?
Abirami Natarajan practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Abirami Natarajan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Abirami Natarajan enrolled in Medicare?
Yes. Abirami Natarajan 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 Abirami Natarajan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abirami Natarajan reassigns Medicare benefits to 2 organizations: Duke University Health System, Inc. (Durham, NC) and Duke Health Integrated Practice, Inc (Raleigh, NC). 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 Abirami Natarajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abirami Natarajan accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 1 other insurer list Abirami Natarajan 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 Abirami Natarajan affiliated with any hospitals?
According to CMS data, Abirami Natarajan is affiliated with Duke University Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Abirami Natarajan was last updated on December 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Abirami Natarajan, M.D. · NPI 1912357252
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 17, 2016.
## Identity
- **NPI:** 1912357252 (Entity type: Individual)
- **Enumerated:** June 17, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 282183 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6110
- **Phone:** (617) 732-5500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Duke University Health System, Inc. (NPI 1962721308, Durham, NC); Duke Health Integrated Practice, Inc (NPI 1780374884, Raleigh, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2016
## Record status
- **NPPES last updated:** December 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1912357252) · Data from the CMS NPPES public registry.