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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DENIZE E GALLAGHER MD
NPI 1770108128
Obstetrics & Gynecology in Gainesville, VA

Active since June 11, 2020PECOS EnrolledAccepts Medicare Assignment
6950 PIEDMONT CENTER PLZ, GAINESVILLE, VA 20155(571) 472-0935(571) 665-6762 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Jun 11, 2020 (2 updates tracked since 2020).

About Denize E Gallagher Md NPPES

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

DENIZE E GALLAGHER MD (NPI 1770108128) is an individual obstetrics & gynecology provider in Gainesville, Virginia, licensed in Virginia (0101282975) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1770108128
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDENIZE E GALLAGHERCredential: MD
Location Address6950 PIEDMONT CENTER PLZGainesville, VA 20155-4036
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Phone(571) 472-0935
Fax(571) 665-6762
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 11, 2020
Last NPPES UpdateJuly 6, 20262 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1770108128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in VA · 0101282975
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
6950 PIEDMONT CENTER PLZ, Gainesville, VA 20155
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Denize E Gallagher 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 ID840731972
PECOS Enrollment IDI20240917001906, I20240924001201
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.

Hospital Affiliations CMS Care Compare

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

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20155 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERICA LYNN BERRY FNP
Nurse Practitioner (Family)
6950 PIEDMONT CENTER PLZ
GAINESVILLE, VA 20155
Prince William County (540) 347-7611

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 Denize Gallagher's NPI number?

The NPI number for Denize Gallagher is 1770108128. It was assigned to this individual provider in the NPPES registry on June 11, 2020.

Where is Denize Gallagher located?

Denize Gallagher practices at 6950 Piedmont Center Plz, Gainesville, VA 20155. The listed phone number is (571) 472-0935.

What is Denize Gallagher's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Denize Gallagher enrolled in Medicare?

Yes. Denize Gallagher 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.

Is Denize Gallagher affiliated with any hospitals?

According to CMS data, Denize Gallagher is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Denize Gallagher was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.