RAMNIKA GUMBER M.B.B.S.
NPI 1699012575
Internal Medicine - Nephrology in Seattle, WA
About Ramnika Gumber M.b.b.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAMNIKA GUMBER M.B.B.S. (NPI 1699012575) is an individual nephrology provider in Seattle, Washington, licensed in Washington (MD61552731) and active in the NPI registry since January 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
Ramnika Gumber M.b.b.s. 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
3Medicare enrollment records show Ramnika Gumber reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 1,021 clinicians in this Medicare group
Bremerton, WA 98310
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 96 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.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIVirginia Mason Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Ramnika Gumber's NPI number?
The NPI number for Ramnika Gumber is 1699012575. It was assigned to this individual provider in the NPPES registry on January 11, 2013.
Where is Ramnika Gumber located?
Ramnika Gumber practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6672.
What is Ramnika Gumber's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Ramnika Gumber enrolled in Medicare?
Yes. Ramnika Gumber 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 Ramnika Gumber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramnika Gumber reassigns Medicare benefits to 3 organizations: Virginia Mason Medical Center (Seattle, WA), Franciscan Medical Group (Bremerton, WA) and Regents Of The University Of Michigan (Ann Arbor, MI). 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 Ramnika Gumber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ramnika Gumber accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Ramnika Gumber 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 Ramnika Gumber affiliated with any hospitals?
According to CMS data, Ramnika Gumber is affiliated with University Of Michigan Health System and Virginia Mason Medical Center.
When was this NPI record last updated?
The NPPES record for Ramnika Gumber was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Ramnika Gumber, M.B.B.S. · NPI 1699012575
Nephrology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 11, 2013.
## Identity
- **NPI:** 1699012575 (Entity type: Individual)
- **Enumerated:** January 11, 2013
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** MD61552731 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 9TH AVE, Seattle, WA 98101-2756
- **Phone:** (206) 223-6672 · **Fax:** (206) 341-0897
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Virginia Mason Medical Center (NPI 1003970989, Seattle, WA); Franciscan Medical Group (NPI 1154564649, Bremerton, WA); Regents Of The University Of Michigan (NPI 1003848144, Ann Arbor, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** February 13, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1699012575) · Data from the CMS NPPES public registry.