HENRY G. KAPLAN MD
NPI 1538243258
Internal Medicine - Medical Oncology in Seattle, WA
About Henry G. Kaplan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY G. KAPLAN MD (NPI 1538243258) is an individual medical oncology provider in Seattle, Washington, licensed in Washington (MD00013421) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Henry G. Kaplan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Henry Kaplan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 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 98104 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 98104
SEATTLE, WA 98104
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 Henry Kaplan's NPI number?
The NPI number for Henry Kaplan is 1538243258. It was assigned to this individual provider in the NPPES registry on October 25, 2006.
Where is Henry Kaplan located?
Henry Kaplan practices at 1221 Madison St, Seattle, WA 98104. The listed phone number is (206) 386-2323.
What is Henry Kaplan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Henry Kaplan enrolled in Medicare?
Yes. Henry Kaplan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Henry Kaplan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Kaplan reassigns Medicare benefits to Swedish Health Services (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 Henry Kaplan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Henry Kaplan accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Henry Kaplan 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 Henry Kaplan was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Henry G. Kaplan, MD · NPI 1538243258
Medical Oncology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since October 25, 2006.
## Identity
- **NPI:** 1538243258 (Entity type: Individual)
- **Enumerated:** October 25, 2006
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** MD00013421 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 MADISON ST, Seattle, WA 98104-3588
- **Phone:** (206) 386-2323 · **Fax:** (206) 386-2729
## 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:** Swedish Health Services (NPI 1689612954, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1538243258) · Data from the CMS NPPES public registry.