DR. AVA CARROLL HAYMON MD
NPI 1154492155
Family Medicine - Geriatric Medicine in Federal Way, WA
About Dr. Ava Carroll Haymon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AVA CARROLL HAYMON MD (NPI 1154492155) is an individual geriatric medicine provider in Federal Way, Washington, licensed in Washington (MD00041490) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 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. Ava Carroll Haymon 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
4Medicare enrollment records show Ava Haymon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Iora Health Washington Physicians PC
- 50 clinicians in this Medicare group
Federal Way, WA 98003
- Reassigned Medicare billing, Washington enrollment
- 46 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 52 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98003 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FEDERAL WAY, WA 98003
FEDERAL WAY, WA 98003
FEDERAL WAY, WA 98003
FEDERAL WAY, WA 98003
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 Ava Haymon's NPI number?
The NPI number for Ava Haymon is 1154492155. It was assigned to this individual provider in the NPPES registry on November 13, 2006. The provider is also known as Dr. A Carroll Haymon MD.
Where is Ava Haymon located?
Ava Haymon practices at 1414 S 324th St Ste B207, Federal Way, WA 98003. The listed phone number is (253) 220-3121.
What is Ava Haymon's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.
Is Ava Haymon enrolled in Medicare?
Yes. Ava Haymon 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 Ava Haymon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ava Haymon reassigns Medicare benefits to 4 organizations: Iora Health Washington Physicians, P.C. (Federal Way, WA), Iora Senior Health, LLC (Federal Way, WA), Swedish Health Services (Seattle, WA) and Swedish Health Services (Seattle, WA). 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 Ava Haymon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ava Haymon accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Ava Haymon 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 Ava Haymon affiliated with any hospitals?
According to CMS data, Ava Haymon is affiliated with Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Ava Haymon was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Ava Carroll Haymon, MD · NPI 1154492155
Geriatric Medicine physician in Federal Way, Washington. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1154492155 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Family Medicine - Geriatric Medicine · taxonomy 207QG0300X
- **State license:** MD00041490 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1414 S 324TH ST STE B207, Federal Way, WA 98003-8444
- **Phone:** (253) 220-3121 · **Fax:** (415) 252-7176
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Iora Health Washington Physicians, P.C. (NPI 1023547072, Federal Way, WA); Iora Senior Health, LLC (NPI 1811346869, Federal Way, WA); Swedish Health Services (NPI 1689612954, Seattle, WA); Swedish Health Services (NPI 1720033145, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** April 7, 2026
- **Other identifiers:** Medicaid 1043089 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1154492155) · Data from the CMS NPPES public registry.