GOWTHAM MAHALINGAM MD
NPI 1891179388
Emergency Medicine in Seattle, WA
About Gowtham Mahalingam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GOWTHAM MAHALINGAM MD (NPI 1891179388) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD61332227) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS, is affiliated with Harrison Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Gowtham Mahalingam 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
6Medicare enrollment records show Gowtham Mahalingam reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98107
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Ballard Emergency Physicians Ps
- 43 clinicians in this Medicare group
Edmonds, WA 98026
- Reassigned Medicare billing, Washington enrollment
- 106 clinicians in this Medicare group
Bremerton, WA 98310
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 190 clinicians in this Medicare group
Arlington, WA 98223
- Reassigned Medicare billing, Washington enrollment
- 519 clinicians in this Medicare group
Sedro Woolley, WA 98284
- Reassigned Medicare billing, Washington enrollment
- 139 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harrison Medical Center
Acute Care Hospitals · Bremerton, WASt Francis Community Hospital
Acute Care Hospitals · Federal Way, WAPeacehealth United General Medical Center
Critical Access Hospitals · Sedro Woolley, WAPeacehealth Peace Island Medical Center
Critical Access Hospitals · Friday Harbor, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 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.
SEATTLE, WA 98122
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 Gowtham Mahalingam's NPI number?
The NPI number for Gowtham Mahalingam is 1891179388. It was assigned to this individual provider in the NPPES registry on July 14, 2015.
Where is Gowtham Mahalingam located?
Gowtham Mahalingam practices at 747 Broadway, Seattle, WA 98122. The listed phone number is (206) 386-6000.
What is Gowtham Mahalingam's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gowtham Mahalingam enrolled in Medicare?
Yes. Gowtham Mahalingam 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 Gowtham Mahalingam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gowtham Mahalingam reassigns Medicare benefits to 6 organizations: Ballard Emergency Physicians, P.S. (Seattle, WA), Cep America LLC (Edmonds, WA), Franciscan Medical Group (Bremerton, WA), Northwest Observation Associates PC (Federal Way, WA), Northwest Emergency Physicians LLC (Arlington, WA) 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 Gowtham Mahalingam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gowtham Mahalingam accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Gowtham Mahalingam 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 Gowtham Mahalingam affiliated with any hospitals?
According to CMS data, Gowtham Mahalingam is affiliated with Harrison Medical Center, St Francis Community Hospital, Peacehealth United General Medical Center and Peacehealth Peace Island Medical Center.
When was this NPI record last updated?
The NPPES record for Gowtham Mahalingam was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Gowtham Mahalingam, MD · NPI 1891179388
Emergency Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since July 14, 2015.
## Identity
- **NPI:** 1891179388 (Entity type: Individual)
- **Enumerated:** July 14, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD61332227 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 747 BROADWAY, Seattle, WA 98122-4379
- **Phone:** (206) 386-6000
## 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): Ballard Emergency Physicians, P.S. (NPI 1619909256, Seattle, WA); Cep America LLC (NPI 1447484274, Edmonds, WA); Franciscan Medical Group (NPI 1154564649, Bremerton, WA); Northwest Observation Associates PC (NPI 1023539376, Federal Way, WA); Northwest Emergency Physicians LLC (NPI 1235172370, Arlington, WA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891179388) · Data from the CMS NPPES public registry.