JULIAN KRAVTIN HORWITZ MD
NPI 1770901449
Transplant Surgery in Seattle, WA
About Julian Kravtin Horwitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIAN KRAVTIN HORWITZ MD (NPI 1770901449) is an individual transplant surgery provider in Seattle, Washington, licensed in Washington (MD61417180) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of New York University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
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
Julian Kravtin Horwitz 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 Reassignment
Medicare enrollment records show Julian Horwitz 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.
Areas of Expertise CMS Part B claims 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 16
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 Julian Horwitz's NPI number?
The NPI number for Julian Horwitz is 1770901449. It was assigned to this individual provider in the NPPES registry on March 31, 2014.
Where is Julian Horwitz located?
Julian Horwitz practices at 1124 Columbia St Ste 600, Seattle, WA 98104. The listed phone number is (206) 386-3660.
What is Julian Horwitz's specialty?
The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.
Is Julian Horwitz enrolled in Medicare?
Yes. Julian Horwitz 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 Julian Horwitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julian Horwitz 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 Julian Horwitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Julian Horwitz accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Julian Horwitz 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 Julian Horwitz affiliated with any hospitals?
According to CMS data, Julian Horwitz is affiliated with Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Julian Horwitz was last updated on January 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Julian Kravtin Horwitz, MD · NPI 1770901449
Transplant Surgery physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 31, 2014.
## Identity
- **NPI:** 1770901449 (Entity type: Individual)
- **Enumerated:** March 31, 2014
- **Primary specialty:** Transplant Surgery · taxonomy 204F00000X
- **State license:** MD61417180 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1124 COLUMBIA ST STE 600, Seattle, WA 98104-2046
- **Phone:** (206) 386-3660 · **Fax:** (206) 386-3644
## 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:** Swedish Health Services (NPI 1689612954, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** January 19, 2024
- **Other identifiers:** Medicaid 2261196 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1770901449) · Data from the CMS NPPES public registry.