MARGARET R ADAM MD
NPI 1700812237
Internal Medicine in Renton, WA
About Margaret R Adam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET R ADAM MD (NPI 1700812237) is an individual internal medicine provider in Renton, Washington, licensed in Washington (MD00034792) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of University Of Connecticut School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 (PECOS)
Margaret R Adam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Margaret Adam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tukwila, WA 98188
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Concerto Medical Group Of Washington PC
- 19 clinicians in this Medicare group
Huntington Beach, CA 92647
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Concertocare Medical Group Of California PC
- 46 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98057 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 7
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 Margaret Adam's NPI number?
The NPI number for Margaret Adam is 1700812237. It was assigned to this individual provider in the NPPES registry on June 25, 2006.
Where is Margaret Adam located?
Margaret Adam practices at 64 Rainier Ave S, Renton, WA 98057. The listed phone number is (425) 224-2144.
What is Margaret Adam's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Margaret Adam enrolled in Medicare?
Yes. Margaret Adam is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Adam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Adam reassigns Medicare benefits to 2 organizations: Concerto Medical Group Of Washington, P.C. (Tukwila, WA) and Concertocare Medical Group Of California, P.C. (Huntington Beach, CA). 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 Margaret Adam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Adam was last updated on February 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Margaret R Adam, MD · NPI 1700812237
Internal Medicine physician in Renton, Washington. Individual provider, active in the CMS NPPES registry since June 25, 2006.
## Identity
- **NPI:** 1700812237 (Entity type: Individual)
- **Enumerated:** June 25, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD00034792 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 64 RAINIER AVE S, Renton, WA 98057
- **Phone:** (425) 224-2144 · **Fax:** (425) 341-9653
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Concerto Medical Group Of Washington, P.C. (NPI 1568746345, Tukwila, WA); Concertocare Medical Group Of California, P.C. (NPI 1922777259, Huntington Beach, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** February 27, 2024
- **Other identifiers:** Other 0039581 (WA); Other 110211793; Other AD2541 (WA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1700812237) · Data from the CMS NPPES public registry.