DR. MARGARITA MERCADO MEDINA M.D.
NPI 1790929172
Hospitalist in Seattle, WA
About Dr. Margarita Mercado Medina M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARITA MERCADO MEDINA M.D. (NPI 1790929172) is an individual hospitalist provider in Seattle, Washington, licensed in Washington (MD61169253) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Renton, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 2
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. Margarita Mercado Medina 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
11Medicare enrollment records show Margarita Mercado Medina reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 129 clinicians in this Medicare group
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 689 clinicians in this Medicare group
Bremerton, WA 98310
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, Washington enrollment
- 1,074 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- 223 clinicians in this Medicare group
Granite Falls, WA 98252
- Reassigned Medicare billing, Washington enrollment
- 463 clinicians in this Medicare group
Spokane Valley, WA 99216
- Reassigned Medicare billing, Washington enrollment
- 11 clinicians in this Medicare group
Liberty Lake, WA 99019
- Reassigned Medicare billing, Washington enrollment
- 9 clinicians in this Medicare group
Denver, CO 80237
- Reassigned Medicare billing, Colorado and Washington enrollments
- 33 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Margarita Mercado Medina's NPI number?
The NPI number for Margarita Mercado Medina is 1790929172. It was assigned to this individual provider in the NPPES registry on April 29, 2009.
Where is Margarita Mercado Medina located?
Margarita Mercado Medina practices at 9212 18th Ave SW, Seattle, WA 98106. The listed phone number is (718) 496-3126.
What is Margarita Mercado Medina's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Margarita Mercado Medina enrolled in Medicare?
Yes. Margarita Mercado Medina 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 Margarita Mercado Medina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margarita Mercado Medina reassigns Medicare benefits to 11 organizations: Swedish Health Services (Seattle, WA), Obstetrix Medical Group Of Washington Inc Ps (Seattle, WA), Valley Medical Group-Renton (Renton, WA), Franciscan Medical Group (Bremerton, WA), King County Public Hospital District No 2 (Kirkland, WA) and 6 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 Margarita Mercado Medina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margarita Mercado Medina accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Margarita Mercado Medina 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.
When was this NPI record last updated?
The NPPES record for Margarita Mercado Medina was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Margarita Mercado Medina, M.D. · NPI 1790929172
Hospitalist physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 29, 2009.
## Identity
- **NPI:** 1790929172 (Entity type: Individual)
- **Enumerated:** April 29, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD61169253 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 9212 18TH AVE SW, Seattle, WA 98106-2723
- **Phone:** (718) 496-3126
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Swedish Health Services (NPI 1689612954, Seattle, WA); Obstetrix Medical Group Of Washington Inc Ps (NPI 1861599573, Seattle, WA); Valley Medical Group-Renton (NPI 1619209574, Renton, WA); Franciscan Medical Group (NPI 1154564649, Bremerton, WA); King County Public Hospital District No 2 (NPI 1548350713, Kirkland, WA); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** December 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1790929172) · Data from the CMS NPPES public registry.