DR. SIVA PADMANABHAN SIVAKUMAR MD
NPI 1992788442
Internal Medicine - Critical Care Medicine in Baltimore, MD
About Dr. Siva Padmanabhan Sivakumar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIVA PADMANABHAN SIVAKUMAR MD (NPI 1992788442) is an individual critical care medicine provider in Baltimore, Maryland, licensed in New York (280165) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and maintains a secondary practice location in Newburgh.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Dr. Siva Padmanabhan Sivakumar 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
17Medicare enrollment records show Siva Sivakumar reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 84 clinicians in this Medicare group
Mifflin, PA 17058
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Montebello, NY 10901
- Reassigned Medicare billing, New York enrollment
- 33 clinicians in this Medicare group
Newburgh, NY 12550
- Reassigned Medicare billing, New York enrollment
- 110 clinicians in this Medicare group
Madison, NC 27025
- Reassigned Medicare billing, North Carolina enrollment
- 351 clinicians in this Medicare group
Chillicothe, OH 45601
- Reassigned Medicare billing, Massachusetts and Maine enrollments
- 9 clinicians in this Medicare group
Rutland, VT 05701
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1083678833 (Vermont)
- 76 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 283 clinicians in this Medicare group
North Andover, MA 01845
- Reassigned Medicare billing, Massachusetts enrollment
- 57 clinicians in this Medicare group
North Andover, MA 01845
- Reassigned Medicare billing, Massachusetts enrollment
- 52 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lawrence General Hospital
Acute Care Hospitals · Lawrence, MAAnna Jaques Hospital
Acute Care Hospitals · Newburyport, MAHoly Family Hospital
Acute Care Hospitals · Methuen, MAElliot Hospital
Acute Care Hospitals · Manchester, NHSouthern Nh Medical Center
Acute Care Hospitals · Nashua, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21215 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.
BALTIMORE, MD 21215
BALTIMORE, MD 21215
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 Siva Sivakumar's NPI number?
The NPI number for Siva Sivakumar is 1992788442. It was assigned to this individual provider in the NPPES registry on November 29, 2005. The provider is also known as Dr. Sivakumar Padmanabhan MD.
Where is Siva Sivakumar located?
Siva Sivakumar practices at 2401 W Belvedere Ave, Baltimore, MD 21215. The listed phone number is (410) 521-5973.
What is Siva Sivakumar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Siva Sivakumar enrolled in Medicare?
Yes. Siva Sivakumar 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 Siva Sivakumar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siva Sivakumar reassigns Medicare benefits to 17 organizations: Critical Care Physicians Of Pennsylvania PC (Darby, PA), Geisinger Clinic (Mifflin, PA), Chess Medicine PLLC (Montebello, NY), Critical Care Physician Of New York PC (Newburgh, NY), Moses Cone Medical Services, Inc. (Madison, NC) and 12 more organizations, listed in the Medicare section above. 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 Siva Sivakumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siva Sivakumar accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Taro Health and WellSense Health Plan list Siva Sivakumar 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 Siva Sivakumar affiliated with any hospitals?
According to CMS data, Siva Sivakumar is affiliated with Lawrence General Hospital, Anna Jaques Hospital, Holy Family Hospital, Elliot Hospital and Southern Nh Medical Center.
When was this NPI record last updated?
The NPPES record for Siva Sivakumar was last updated on January 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Siva Padmanabhan Sivakumar, MD · NPI 1992788442
Critical Care Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since November 29, 2005.
## Identity
- **NPI:** 1992788442 (Entity type: Individual)
- **Enumerated:** November 29, 2005
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 280165 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 2401 W BELVEDERE AVE, Baltimore, MD 21215-5216
- **Phone:** (410) 521-5973
## 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:** 17 organizations under Medicare reassignment (form CMS-855R): Critical Care Physicians Of Pennsylvania PC (NPI 1952670085, Darby, PA); Geisinger Clinic (NPI 1255382651, Mifflin, PA); Chess Medicine PLLC (NPI 1699385021, Montebello, NY); Critical Care Physician Of New York PC (NPI 1316293954, Newburgh, NY); Moses Cone Medical Services, Inc. (NPI 1629376363, Madison, NC); and 12 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** January 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1992788442) · Data from the CMS NPPES public registry.