DR. DHIVIYA THARMARATNAM M.D.
NPI 1225489669
Internal Medicine in Baltimore, MD
About Dr. Dhiviya Tharmaratnam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DHIVIYA THARMARATNAM M.D. (NPI 1225489669) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0089103) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Dhiviya Tharmaratnam M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dhiviya Tharmaratnam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21225 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
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 Dhiviya Tharmaratnam's NPI number?
The NPI number for Dhiviya Tharmaratnam is 1225489669. It was assigned to this individual provider in the NPPES registry on June 27, 2016.
Where is Dhiviya Tharmaratnam located?
Dhiviya Tharmaratnam practices at 3001 S Hanover St Department Of Medicine, Baltimore, MD 21225. The listed phone number is (999) 999-9999.
What is Dhiviya Tharmaratnam's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Dhiviya Tharmaratnam enrolled in Medicare?
Yes. Dhiviya Tharmaratnam is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dhiviya Tharmaratnam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dhiviya Tharmaratnam reassigns Medicare benefits to Medstar Medical Group II LLC (Baltimore, MD). The 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 Dhiviya Tharmaratnam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dhiviya Tharmaratnam was last updated on May 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Dhiviya Tharmaratnam, M.D. · NPI 1225489669
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 27, 2016.
## Identity
- **NPI:** 1225489669 (Entity type: Individual)
- **Enumerated:** June 27, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0089103 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3001 S HANOVER ST, DEPARTMENT OF MEDICINE, Baltimore, MD 21225-1233
- **Phone:** (999) 999-9999
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 25, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1225489669) · Data from the CMS NPPES public registry.