CAROL A HARTLEY M.D.
NPI 1275678658
Hospitalist in Seattle, WA
About Carol A Hartley M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL A HARTLEY M.D. (NPI 1275678658) is an individual hospitalist provider in Seattle, Washington, licensed in Washington (MD00032947) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 8
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
Carol A Hartley 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 Reassignment
Medicare enrollment records show Carol Hartley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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 98112 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 14
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 Carol Hartley's NPI number?
The NPI number for Carol Hartley is 1275678658. It was assigned to this individual provider in the NPPES registry on February 21, 2007.
Where is Carol Hartley located?
Carol Hartley practices at 1600 E John St, Seattle, WA 98112. The listed phone number is (425) 330-3440.
What is Carol Hartley's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Carol Hartley enrolled in Medicare?
Yes. Carol Hartley 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 organization bills Medicare for Carol Hartley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Hartley reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Seattle, WA). The 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 Carol Hartley'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 Carol Hartley was last updated on June 22, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Carol A Hartley, M.D. · NPI 1275678658
Hospitalist physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since February 21, 2007.
## Identity
- **NPI:** 1275678658 (Entity type: Individual)
- **Enumerated:** February 21, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD00032947 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 E JOHN ST, Seattle, WA 98112-5222
- **Phone:** (425) 330-3440
## 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:** Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** June 22, 2017
- **Other identifiers:** Medicare UPIN G44414 (WA); Medicare PIN GAB13511 (WA); Medicare PIN G8872364 (WA); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1275678658) · Data from the CMS NPPES public registry.