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DR. BRIAN A HAZEN MD
NPI 1164458121
Hospitalist in Falls Church, VA

Active since June 23, 2006PECOS EnrolledAccepts Medicare Assignment
3300 GALLOWS RD, PHYSICIAN BILLING, FALLS CHURCH, VA 22042(703) 776-1110(703) 776-2917 Get Directions Write a Review

NPPES record last updated: September 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 30, 2024, Jun 11, 2024, Oct 26, 2020 (3 updates tracked since 2020).

About Dr. Brian A Hazen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BRIAN A HAZEN MD (NPI 1164458121) is an individual hospitalist provider in Falls Church, Virginia, licensed in Virginia (0101053721) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Novant Health Forsyth Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1164458121
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. BRIAN A HAZENCredential: MD
Location Address3300 GALLOWS RD, PHYSICIAN BILLINGFalls Church, VA 22042-3307
Mailing Address3300 Gallows Rd, Physician BillingFalls Church, VA 22042-3307 · (703) 776-1110 · Fax (703) 776-2917
Phone(703) 776-1110
Fax(703) 776-2917
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateJune 23, 2006
Last NPPES UpdateSeptember 30, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2024
✔ NPI 1164458121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in VA · 0101053721✔ Licensed in NC · 2018-03045
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
3300 GALLOWS RD, Falls Church, VA 22042
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Secondary Practice Locations 2

Location 11215 Lee StCharlottesville, VA 22908-3307 · Phone (434) 243-4288 · Fax (434) 243-7310
Location 23333 Silas Creek PkwyWinston Salem, NC 27103-3013 · Phone (336) 718-8383 · Fax (336) 718-9622

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. Brian A Hazen 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.

PECOS PAC ID5193821965
PECOS Enrollment IDI20240509004074
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Brian Hazen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inova Health Care Services
Same address
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 2,618 clinicians in this Medicare group
NPI 1952320061 (703) 321-2627
Nmg Affiliate Practice I, LLC
12 mi
Emergency Medicine
6208 MULTIPLEX DR, SUITE 150
Centreville, VA 20121
  • Reassigned Medicare billing, Virginia enrollment
  • Medicare enrollment name: Uva Community Health Medical Group LLC
  • 584 clinicians in this Medicare group
NPI 1881046993 (703) 366-2590
University Of Virginia Physicians Group
90 mi
Neuromusculoskeletal Medicine, Sports Medicine
4105 LEWIS AND CLARK DR
Charlottesville, VA 22911
  • Reassigned Medicare billing, Virginia enrollment
  • 2,820 clinicians in this Medicare group
NPI 1033138250 (434) 295-1000
Novant Medical Group Inc
198 mi
Internal Medicine
100 HOSPITAL DR
Louisburg, NC 27549
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Novant Health Medical Group, LLC
  • 2,998 clinicians in this Medicare group
NPI 1942522008 (919) 497-8048
Outer Banks Professional Services, LLC
220 mi
Urgent Care
4800 S CROATAN HWY
Nags Head, NC 27959
  • Reassigned Medicare billing, North Carolina enrollment
  • 346 clinicians in this Medicare group
NPI 1386182608 (252) 449-4500

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
41 services27 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
31 services23 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
27 services26 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Novant Health Forsyth Medical Center

Acute Care Hospitals · Winston-Salem, NC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340014
Location3333 Silas Creek ParkwayWinston-Salem, NC 27103 · Forsyth County
Emergency services Birthing friendly

The Outer Banks Hospital, Inc

Critical Access Hospitals · Nags Head, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number341324
Location4800 South Croatan HighwayNags Head, NC 27959 · Dare County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ALLISON ELIZABETH TWEEDIE MD
Psychiatry & Neurology (Psychiatry)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
DR. OLEG DOLGHI M.D
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
MRS. CHERYL ANNE FRASER NP
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4132
MISS CRYSTAL FALKE PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-3281
EMERGENCY MEDICINE ASSOCIATES
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4002
NARGES NAJMYAR PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 970-2670
SARAH MARAKOS DO
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-6652
KARA STONE YOUNG CRNA
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001

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 Brian Hazen's NPI number?

The NPI number for Brian Hazen is 1164458121. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Brian Hazen located?

Brian Hazen practices at 3300 Gallows Rd Physician Billing, Falls Church, VA 22042. The listed phone number is (703) 776-1110.

What is Brian Hazen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Brian Hazen enrolled in Medicare?

Yes. Brian Hazen 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 Brian Hazen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Hazen reassigns Medicare benefits to 5 organizations: Inova Health Care Services (Falls Church, VA), Nmg Affiliate Practice I, LLC (Centreville, VA), University Of Virginia Physicians Group (Charlottesville, VA), Novant Medical Group Inc (Louisburg, NC) and Outer Banks Professional Services, LLC (Nags Head, NC). 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 Brian Hazen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Brian Hazen affiliated with any hospitals?

According to CMS data, Brian Hazen is affiliated with Novant Health Forsyth Medical Center and The Outer Banks Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Brian Hazen was last updated on September 30, 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.