DR. CLARA LOUISE PECK M.D.
NPI 1659563526
Hospitalist in Seattle, WA
About Dr. Clara Louise Peck M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLARA LOUISE PECK M.D. (NPI 1659563526) is an individual hospitalist provider in Seattle, Washington, licensed in Washington (MD60349790) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Providence St Peter Hospital, and is a graduate of George Washington University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 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. Clara Louise Peck 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
8Medicare enrollment records show Clara Peck reassigns Medicare billing to 8 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
Mill Creek, WA 98012
- Reassigned Medicare billing, Washington enrollment
- 705 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 646 clinicians in this Medicare group
Longview, WA 98632
- Reassigned Medicare billing, Washington enrollment
- 77 clinicians in this Medicare group
Colville, WA 99114
- Reassigned Medicare billing, Washington enrollment
- 862 clinicians in this Medicare group
College Place, WA 99324
- Reassigned Medicare billing, Washington enrollment
- 276 clinicians in this Medicare group
Missoula, MT 59802
- Reassigned Medicare billing, Washington enrollment
- 51 clinicians in this Medicare group
Anchorage, AK 99508
- Reassigned Medicare billing, Washington enrollment
- 62 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Peter Hospital
Acute Care Hospitals · Olympia, WASwedish Medical Center / Cherry Hill
Acute Care Hospitals · Seattle, WASwedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98122
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 Clara Peck's NPI number?
The NPI number for Clara Peck is 1659563526. It was assigned to this individual provider in the NPPES registry on August 15, 2007.
Where is Clara Peck located?
Clara Peck practices at 747 Broadway, Seattle, WA 98122. The listed phone number is (206) 215-2520.
What is Clara Peck's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Clara Peck enrolled in Medicare?
Yes. Clara Peck 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 Clara Peck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clara Peck reassigns Medicare benefits to 8 organizations: Swedish Health Services (Seattle, WA), Providence Health & Services- Washington (Mill Creek, WA), Providence Health & Services Washington (Olympia, WA), Providence Health & Services Oregon (Longview, WA), Providence Health & Services Washington (Colville, WA) and 3 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 Clara Peck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clara Peck accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska list Clara Peck 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 Clara Peck affiliated with any hospitals?
According to CMS data, Clara Peck is affiliated with Providence St Peter Hospital, Swedish Medical Center / Cherry Hill and Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Clara Peck was last updated on October 2, 2023. 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. Clara Louise Peck, M.D. · NPI 1659563526
Hospitalist physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since August 15, 2007.
## Identity
- **NPI:** 1659563526 (Entity type: Individual)
- **Enumerated:** August 15, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD60349790 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 747 BROADWAY, Seattle, WA 98122-4307
- **Phone:** (206) 215-2520 · **Fax:** (206) 386-3180
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Swedish Health Services (NPI 1689612954, Seattle, WA); Providence Health & Services- Washington (NPI 1790014504, Mill Creek, WA); Providence Health & Services Washington (NPI 1174744304, Olympia, WA); Providence Health & Services Oregon (NPI 1104097906, Longview, WA); Providence Health & Services Washington (NPI 1083968879, Colville, WA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** October 2, 2023
- **Other identifiers:** Medicaid 1659563526 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659563526) · Data from the CMS NPPES public registry.