DR. NATALIA ALLISON DVORAK M.D.
NPI 1184860363
Obstetrics & Gynecology in Bellevue, WA
About Dr. Natalia Allison Dvorak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATALIA ALLISON DVORAK M.D. (NPI 1184860363) is an individual obstetrics & gynecology provider in Bellevue, Washington, licensed in Washington (MD60269809) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and maintains a secondary practice location in Bellevue.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Natalia Allison Dvorak 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
2Medicare enrollment records show Natalia Dvorak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 566 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Overlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98004 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELLEVUE, WA 98004
BELLEVUE, WA 98004
BELLEVUE, WA 98004
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 Natalia Dvorak's NPI number?
The NPI number for Natalia Dvorak is 1184860363. It was assigned to this individual provider in the NPPES registry on December 18, 2008.
Where is Natalia Dvorak located?
Natalia Dvorak practices at 1600 116th Ave NE #104, Bellevue, WA 98004. The listed phone number is (323) 857-3871.
What is Natalia Dvorak's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Natalia Dvorak enrolled in Medicare?
Yes. Natalia Dvorak 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 Natalia Dvorak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalia Dvorak reassigns Medicare benefits to 2 organizations: Overlake Medical Clinics LLC (Bellevue, WA) and Kaiser Foundation Health Plan Of Washington (Seattle, WA). 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 Natalia Dvorak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natalia Dvorak accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Natalia Dvorak 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 Natalia Dvorak affiliated with any hospitals?
According to CMS data, Natalia Dvorak is affiliated with Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Natalia Dvorak was last updated on February 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Natalia Allison Dvorak, M.D. · NPI 1184860363
Obstetrics & Gynecology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since December 18, 2008.
## Identity
- **NPI:** 1184860363 (Entity type: Individual)
- **Enumerated:** December 18, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD60269809 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1600 116TH AVE NE, #104, Bellevue, WA 98004-3014
- **Phone:** (323) 857-3871
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Overlake Medical Clinics LLC (NPI 1871745703, Bellevue, WA); Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** February 1, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1184860363) · Data from the CMS NPPES public registry.