PRASANNA SANTHANAM MD
NPI 1083828685
Internal Medicine - Endocrinology, Diabetes & Metabolism in Baltimore, MD
About Prasanna Santhanam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PRASANNA SANTHANAM MD (NPI 1083828685) is an individual endocrinology, diabetes & metabolism provider in Baltimore, Maryland, licensed in Maryland (D0080953) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (2001).
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)
Prasanna Santhanam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Prasanna Santhanam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 338 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 158 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Prasanna Santhanam's NPI number?
The NPI number for Prasanna Santhanam is 1083828685. It was assigned to this individual provider in the NPPES registry on May 10, 2007.
Where is Prasanna Santhanam located?
Prasanna Santhanam practices at 601 N Caroline St 3rd Floor, Baltimore, MD 21287. The listed phone number is (410) 955-6989.
What is Prasanna Santhanam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Prasanna Santhanam enrolled in Medicare?
Yes. Prasanna Santhanam is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Prasanna Santhanam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Prasanna Santhanam reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Upper Chesapeake Medical Services, Inc (Bel Air, MD). 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 Prasanna Santhanam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Prasanna Santhanam affiliated with any hospitals?
According to CMS data, Prasanna Santhanam is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Prasanna Santhanam was last updated on October 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Prasanna Santhanam, MD · NPI 1083828685
Endocrinology, Diabetes & Metabolism physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 10, 2007.
## Identity
- **NPI:** 1083828685 (Entity type: Individual)
- **Enumerated:** May 10, 2007
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** D0080953 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 N CAROLINE ST, 3RD FLOOR, Baltimore, MD 21287-0006
- **Phone:** (410) 955-6989 · **Fax:** (443) 287-2933
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1295731966, Baltimore, MD); Johns Hopkins University (NPI 1902332133, Baltimore, MD); Upper Chesapeake Medical Services, Inc (NPI 1497801419, Bel Air, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** October 17, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1083828685) · Data from the CMS NPPES public registry.