DR. ROSTISLAV DIMITROV RANGUELOV MD
NPI 1699744193
Pathology - Anatomic Pathology & Clinical Pathology in Seattle, WA
About Dr. Rostislav Dimitrov Ranguelov Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROSTISLAV DIMITROV RANGUELOV MD (NPI 1699744193) is an individual anatomic pathology & clinical pathology provider in Seattle, Washington, licensed in Washington (MD.MD.00042071) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and maintains a secondary practice location in Iowa City.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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. Rostislav Dimitrov Ranguelov 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
3Medicare enrollment records show Rostislav Ranguelov reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 911 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Perry, IA 50220
- Reassigned Medicare billing, Iowa enrollment
- 2,190 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 15
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Iowa Health Care Medical Center Down
Acute Care Hospitals · Iowa City, IAUniversity Of Iowa Hospital & Clinics
Acute Care Hospitals · Iowa City, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98195 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 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Rostislav Ranguelov's NPI number?
The NPI number for Rostislav Ranguelov is 1699744193. It was assigned to this individual provider in the NPPES registry on March 16, 2006.
Where is Rostislav Ranguelov located?
Rostislav Ranguelov practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 520-5000.
What is Rostislav Ranguelov's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Rostislav Ranguelov enrolled in Medicare?
Yes. Rostislav Ranguelov 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 Rostislav Ranguelov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rostislav Ranguelov reassigns Medicare benefits to 3 organizations: The Polyclinic PLLC (Seattle, WA), The Association Of University Physicians (Seattle, WA) and State University Of Iowa (Perry, IA). 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 Rostislav Ranguelov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rostislav Ranguelov accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 1 other insurer list Rostislav Ranguelov 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 Rostislav Ranguelov affiliated with any hospitals?
According to CMS data, Rostislav Ranguelov is affiliated with University Of Iowa Health Care Medical Center Down and University Of Iowa Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for Rostislav Ranguelov was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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. Rostislav Dimitrov Ranguelov, MD · NPI 1699744193
Anatomic Pathology & Clinical Pathology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 16, 2006.
## Identity
- **NPI:** 1699744193 (Entity type: Individual)
- **Enumerated:** March 16, 2006
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** MD.MD.00042071 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1959 NE PACIFIC ST, Seattle, WA 98195-0001
- **Phone:** (206) 520-5000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The Polyclinic PLLC (NPI 1174594634, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA); State University Of Iowa (NPI 1013965334, Perry, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** October 6, 2026
- **Other identifiers:** Medicaid 8433286 (WA); Other 203956 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1699744193) · Data from the CMS NPPES public registry.