DR. COLLIN BROOKSBY HAFEN DO
NPI 1770146623
Family Medicine in Mount Vernon, WA
About Dr. Collin Brooksby Hafen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COLLIN BROOKSBY HAFEN DO (NPI 1770146623) is an individual family medicine provider in Mount Vernon, Washington, licensed in Washington (OP61336718) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains a secondary practice location in Mount Vernon.
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. Collin Brooksby Hafen 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 Collin Hafen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Vernon, WA 98274
- Reassigned Medicare billing, Washington enrollment
- 463 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 6
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.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98274 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MOUNT VERNON, WA 98274
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 Collin Hafen's NPI number?
The NPI number for Collin Hafen is 1770146623. It was assigned to this individual provider in the NPPES registry on April 16, 2019.
Where is Collin Hafen located?
Collin Hafen practices at 1400 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 428-2501.
What is Collin Hafen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Collin Hafen enrolled in Medicare?
Yes. Collin Hafen 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 Collin Hafen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Collin Hafen reassigns Medicare benefits to Public Hospital Dist No 1 Skagit (Mount Vernon, 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 Collin Hafen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Collin Hafen accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Collin Hafen 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 Collin Hafen affiliated with any hospitals?
According to CMS data, Collin Hafen is affiliated with Skagit Valley Hospital.
When was this NPI record last updated?
The NPPES record for Collin Hafen was last updated on November 8, 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. Collin Brooksby Hafen, DO · NPI 1770146623
Family Medicine physician in Mount Vernon, Washington. Individual provider, active in the CMS NPPES registry since April 16, 2019.
## Identity
- **NPI:** 1770146623 (Entity type: Individual)
- **Enumerated:** April 16, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** OP61336718 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 E KINCAID ST, Mount Vernon, WA 98274-4127
- **Phone:** (360) 428-2501 · **Fax:** (360) 428-2596
## 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:** Public Hospital Dist No 1 Skagit (NPI 1023332749, Mount Vernon, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un Col Of Osteopathic Medicine, Henderson, class of 2019
## Record status
- **NPPES last updated:** November 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1770146623) · Data from the CMS NPPES public registry.