GREGORY J. BIERNACKI MD
NPI 1194789909
Family Medicine in Williamsburg, VA

Active since April 17, 2006PECOS Enrolled
98.33/100
CMS Quality Rating
4374 NEW TOWN AVE, SUITE 200, WILLIAMSBURG, VA 23188(757) 220-2795(757) 259-8797 Get Directions Write a Review

NPPES record last updated: February 2, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gregory J. Biernacki Md NPPES

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

GREGORY J. BIERNACKI MD (NPI 1194789909) is an individual family medicine provider in Williamsburg, Virginia, licensed in Virginia (0101041954) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194789909
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameGREGORY J. BIERNACKICredential: MD
Location Address4374 NEW TOWN AVE, SUITE 200Williamsburg, VA 23188-2865
Mailing Address4374 New Town Ave, Suite 200Williamsburg, VA 23188-2865 · (757) 220-2795 · Fax (757) 259-8797
Fax(757) 259-8797
Sole ProprietorNo
Enumeration DateApril 17, 2006
Last NPPES UpdateFebruary 2, 2011
✔ NPI 1194789909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in VA · 0101041954
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4374 NEW TOWN AVE, Williamsburg, VA 23188

Other Identifiers 4

Other840000185VA · Railroad
Medicaid010111480VA
Medicare PIN015523R53VA
Medicare PIN840000015VA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory J. Biernacki Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Gregory Biernacki reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Urgent Care
4374 NEW TOWN AVE
Williamsburg, VA 23188
  • Reassigned Medicare billing, Virginia enrollment
  • 121 clinicians in this Medicare group
Family Medicine
824 N MILITARY HWY STE 100
Norfolk, VA 23502
  • Reassigned Medicare billing, North Carolina enrollment
  • 176 clinicians in this Medicare group
Family Medicine
604 AMANDA ST
Manteo, NC 27954
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Outer Banks Professional Services, LLC
  • 346 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23188 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

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.

98.33/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.93
Promoting Interoperability100
Improvement Activities40

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.

Pediatrics
4374 NEW TOWN AVE, STE 202
WILLIAMSBURG, VA 23188
Internal Medicine
4374 NEW TOWN AVE, SUITE 102
WILLIAMSBURG, VA 23188
Pediatrics
4374 NEW TOWN AVE, STE 202
WILLIAMSBURG, VA 23188
Internal Medicine
4374 NEW TOWN AVE, STE 102
WILLIAMSBURG, VA 23188
Clinic/Center (Urgent Care)
4374 NEW TOWN AVE
WILLIAMSBURG, VA 23188
Nurse Practitioner (Family)
4374 NEW TOWN AVE, SUITE 200
WILLIAMSBURG, VA 23188
Nurse Practitioner (Family)
4374 NEW TOWN AVE, STE 200
WILLIAMSBURG, VA 23188
Family Medicine
4374 NEW TOWN AVE, SUITE 100
WILLIAMSBURG, VA 23188

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 Gregory Biernacki's NPI number?

The NPI number for Gregory Biernacki is 1194789909. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Gregory Biernacki located?

Gregory Biernacki practices at 4374 New Town Ave Suite 200, Williamsburg, VA 23188. The listed phone number is (757) 220-2795.

What is Gregory Biernacki's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Biernacki enrolled in Medicare?

Yes. Gregory Biernacki is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregory Biernacki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Biernacki reassigns Medicare benefits to 3 organizations: Velocity Urgent Care, LLC (Williamsburg, VA), Albemarle Physician Services - Sentara, Inc (Norfolk, VA) and Outerbanks Professional Services LLC (Manteo, 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 Gregory Biernacki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Biernacki accept?

Health plans from Blue Cross and Blue Shield of NC and Cigna Healthcare list Gregory Biernacki 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.

When was this NPI record last updated?

The NPPES record for Gregory Biernacki was last updated on February 2, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.