DR. VADIVELU SIVARAMAN M.D.
NPI 1689612111
Anesthesiology in Baltimore, MD
About Dr. Vadivelu Sivaraman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VADIVELU SIVARAMAN M.D. (NPI 1689612111) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D54750) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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. Vadivelu Sivaraman 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 Vadivelu Sivaraman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Shock Trauma Associates PA
- 541 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDMedicare 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.
Reported Quality Measures
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 21201
BALTIMORE, MD 21201
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 Vadivelu Sivaraman's NPI number?
The NPI number for Vadivelu Sivaraman is 1689612111. It was assigned to this individual provider in the NPPES registry on June 4, 2006.
Where is Vadivelu Sivaraman located?
Vadivelu Sivaraman practices at 110 S Paca St Suite 300 6th Fl, Baltimore, MD 21201. The listed phone number is (410) 328-6720.
What is Vadivelu Sivaraman's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Vadivelu Sivaraman enrolled in Medicare?
Yes. Vadivelu Sivaraman 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 Vadivelu Sivaraman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vadivelu Sivaraman reassigns Medicare benefits to 2 organizations: Shock Trauma Associates, P.A. (Baltimore, MD) and University Of Maryland Anesthesiology Associates P.A. (Baltimore, 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 Vadivelu Sivaraman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vadivelu Sivaraman affiliated with any hospitals?
According to CMS data, Vadivelu Sivaraman is affiliated with University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Vadivelu Sivaraman was last updated on April 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Vadivelu Sivaraman, M.D. · NPI 1689612111
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 4, 2006.
## Identity
- **NPI:** 1689612111 (Entity type: Individual)
- **Enumerated:** June 4, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D54750 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 S PACA ST, SUITE 300 6TH FL, Baltimore, MD 21201-1642
- **Phone:** (410) 328-6720 · **Fax:** (410) 328-1674
## 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): Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD); University Of Maryland Anesthesiology Associates P.A. (NPI 1033915145, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** April 8, 2008
- **Other identifiers:** Medicare PIN CA8702 (MD); Other CA8702 (MD); Medicare UPIN G96495 (MD); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1689612111) · Data from the CMS NPPES public registry.