DAVID MAZUR-HART MD
NPI 1538523063
Neurological Surgery in Hillsboro, OR
About David Mazur-hart Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID MAZUR-HART MD (NPI 1538523063) is an individual neurological surgery provider in Hillsboro, Oregon, licensed in Oregon (MD219306) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Portland.
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
David Mazur-hart 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
4Medicare enrollment records show David Mazur-hart reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hillsboro, OR 97123
- Reassigned Medicare billing, Oregon enrollment
- 691 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 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 8
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORHillsboro Medical Center
Acute Care Hospitals · Hillsboro, ORAdventist Health Tillamook
Critical Access Hospitals · Tillamook, ORColumbia Memorial Hospital
Critical Access Hospitals · Astoria, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97123 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.
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 David Mazur-hart's NPI number?
The NPI number for David Mazur-hart is 1538523063. It was assigned to this individual provider in the NPPES registry on April 11, 2016.
Where is David Mazur-hart located?
David Mazur-hart practices at 7th Avenue Medical Plaza 333 SE 7th Ave., Suite 4350, Hillsboro, OR 97123. The listed phone number is (503) 844-8220.
What is David Mazur-hart's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is David Mazur-hart enrolled in Medicare?
Yes. David Mazur-hart 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 David Mazur-hart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Mazur-hart reassigns Medicare benefits to 4 organizations: Tuality Medical Group LLC (Hillsboro, OR), University Professional Services (Portland, OR), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (San Francisco, CA). 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 David Mazur-hart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Mazur-hart accept?
Health plans from Moda Health Plan, Inc. list David Mazur-hart 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 David Mazur-hart affiliated with any hospitals?
According to CMS data, David Mazur-hart is affiliated with Ohsu Hospital And Clinics, Hillsboro Medical Center, Adventist Health Tillamook and Columbia Memorial Hospital.
When was this NPI record last updated?
The NPPES record for David Mazur-hart was last updated on September 11, 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.