DR. JOHN BRINJAK DO
NPI 1699335851
Family Medicine in Bothell, WA
About Dr. John Brinjak Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN BRINJAK DO (NPI 1699335851) is an individual family medicine provider in Bothell, Washington, licensed in Washington (OP61325425) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and maintains a secondary practice location in Fairfax.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. John Brinjak Do 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 John Brinjak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
- 58 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 2
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.
Inova Alexandria Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98011 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Brinjak's NPI number?
The NPI number for John Brinjak is 1699335851. It was assigned to this individual provider in the NPPES registry on June 19, 2019.
Where is John Brinjak located?
John Brinjak practices at 10414 Beardslee Blvd Ste 100, Bothell, WA 98011. The listed phone number is (425) 486-0658.
What is John Brinjak's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Brinjak enrolled in Medicare?
Yes. John Brinjak 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 John Brinjak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Brinjak reassigns Medicare benefits to Neighborhood Health (Fairfax, VA). 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 John Brinjak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Brinjak affiliated with any hospitals?
According to CMS data, John Brinjak is affiliated with Inova Alexandria Hospital.
When was this NPI record last updated?
The NPPES record for John Brinjak was last updated on August 12, 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. John Brinjak, DO · NPI 1699335851
Family Medicine physician in Bothell, Washington. Individual provider, active in the CMS NPPES registry since June 19, 2019.
## Identity
- **NPI:** 1699335851 (Entity type: Individual)
- **Enumerated:** June 19, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** OP61325425 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 10414 BEARDSLEE BLVD STE 100, Bothell, WA 98011-3205
- **Phone:** (425) 486-0658
## 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:** Neighborhood Health (NPI 1003354416, Fairfax, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Chicago College Of Osteopathy, class of 2019
## Record status
- **NPPES last updated:** August 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1699335851) · Data from the CMS NPPES public registry.