DR. NATESA PANDIAN SHANMUGAM M.D.
NPI 1235160540
Internal Medicine - Critical Care Medicine in Lanham, MD
About Dr. Natesa Pandian Shanmugam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATESA PANDIAN SHANMUGAM M.D. (NPI 1235160540) is an individual critical care medicine provider in Lanham, Maryland, licensed in Maryland (D0050412) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains a secondary practice location in Washington.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 3
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. Natesa Pandian Shanmugam 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
6Medicare enrollment records show Natesa Shanmugam reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lanham, MD 20706
- Reassigned Medicare billing, District of Columbia enrollment
- 1,150 clinicians in this Medicare group
Lanham, MD 20706
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1578127171 (Maryland)
- 336 clinicians in this Medicare group
Greenbelt, MD 20770
- Reassigned Medicare billing, District of Columbia, Maryland and Virginia enrollments
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia enrollment
- 328 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 18 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 3
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.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20706 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANHAM, MD 20706
LANHAM, MD 20706
LANHAM, MD 20706
LANHAM, MD 20706
LANHAM, MD 20706
LANHAM, MD 20706
LANHAM, MD 20706
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 Natesa Shanmugam's NPI number?
The NPI number for Natesa Shanmugam is 1235160540. It was assigned to this individual provider in the NPPES registry on July 5, 2006.
Where is Natesa Shanmugam located?
Natesa Shanmugam practices at 9801 Greenbelt Rd Suite 101, Lanham, MD 20706. The listed phone number is (301) 552-6666.
What is Natesa Shanmugam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Natesa Shanmugam enrolled in Medicare?
Yes. Natesa Shanmugam 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 Natesa Shanmugam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natesa Shanmugam reassigns Medicare benefits to 6 organizations: Emergency Medicine Associates P.A., P.C. (Lanham, MD), Luminis Health Medical Group, LLC (Lanham, MD), Intensive Pulmonology Inc. (Greenbelt, MD), Dimensions Healthcare Associates Inc (Laurel, MD), Medical Faculty Associates, Inc (Washington, DC) and 1 more organization, 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 Natesa Shanmugam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natesa Shanmugam accept?
Health plans from CareSource (Common Ground Healthcare) list Natesa Shanmugam 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 Natesa Shanmugam affiliated with any hospitals?
According to CMS data, Natesa Shanmugam is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Natesa Shanmugam was last updated on May 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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. Natesa Pandian Shanmugam, M.D. · NPI 1235160540
Critical Care Medicine physician in Lanham, Maryland. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1235160540 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** D0050412 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9801 GREENBELT RD, SUITE 101, Lanham, MD 20706-2273
- **Phone:** (301) 552-6666
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Associates P.A., P.C. (NPI 1508721846, Lanham, MD); Luminis Health Medical Group, LLC (NPI 1104051440, Lanham, MD); Intensive Pulmonology Inc. (NPI 1861420952, Greenbelt, MD); Dimensions Healthcare Associates Inc (NPI 1407916646, Laurel, MD); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** May 6, 2025
- **Other identifiers:** Medicaid 746801600 (MD); Other 6875-0043 (MD); Other 110223746 (MD)
---
Source: [NPI Profile](https://npiprofile.com/npi/1235160540) · Data from the CMS NPPES public registry.