DR. GEORGE KEVIN GILLIAN M.D.
NPI 1508832627
Surgery in Lorton, VA

Q: What is George Gillian's NPI number?

The NPI number for George Gillian is 1508832627. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Q: What is George Gillian's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for George Gillian was last updated on February 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 28, 2006PECOS EnrolledAccepts Medicare Assignment

92.61/100

CMS Quality Rating

8988 LORTON STATION BLVD, SUITE 202, LORTON, VA 22079(703) 372-2280(703) 372-2024 Get Directions Write a Review

NPPES record last updated: February 19, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. George Kevin Gillian M.d. NPPES

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

DR. GEORGE KEVIN GILLIAN M.D. (NPI 1508832627) is an individual surgery provider in Lorton, Virginia, licensed in Virginia (0101232748) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of University Of Missouri, Columbia School Of Medicine.

NPPES Registry Identity

NPI1508832627

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. GEORGE KEVIN GILLIANCredential: M.D.

Location Address8988 LORTON STATION BLVD, SUITE 202Lorton, VA 22079-4756

Mailing Address8988 Lorton Station Blvd, Suite 202Lorton, VA 22079-4756 · (703) 372-2280 · Fax (703) 372-2024

Phone(703) 372-2280

Fax(703) 372-2024

Sole ProprietorYes

Medical School CMSUniversity Of Missouri, Columbia School Of Medicine

Enumeration DateFebruary 28, 2006

Last NPPES UpdateFebruary 19, 2014

✔ NPI 1508832627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in VA · 0101232748

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

8988 LORTON STATION BLVD, Lorton, VA 22079

Open in Google Maps ↗

Other Identifiers 3

Medicare PINP00072629VA

Medicare PIN00B433A34VA

Medicare PIN227794ZA1BVA

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. George Kevin Gillian M.d. 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 ID2961404587

PECOS Enrollment IDI20101008000765, I20160516000255

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

Medicare enrollment records show George Gillian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Loudoun Medical Group, PC

9.6 mi

Foot & Ankle Surgery

4660 KENMORE AVENUE, SUITE 608
Alexandria, VA 22304

Reassigned Medicare billing, District of Columbia and Virginia enrollments
Also billed through NPI 1366566788 (Virginia)
135 clinicians in this Medicare group

NPI 1972270437 (703) 379-0700

Inova Health Care Services

9.9 mi

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

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 10

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

106 services106 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

100 services78 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

93 services92 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

This procedure involves placing a thin tube with an electrode through your nose and into your esophagus. It helps to monitor and record the function of your esophagus, aiding in diagnosing any potential issues.

49 services49 patients

Prolonged monitoring and recording of esophageal function through nasal tube with electrode 91038

This procedure involves the insertion of a thin, flexible tube through the nose into the esophagus. An electrode on the tube records esophageal activity over an extended period, helping to identify any functional issues.

41 services41 patients

Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope 43282

This procedure fixes a hernia, a bulge or tear, in the muscle where the esophagus meets the stomach. Using an endoscope, a thin tube with a camera, a mesh is implanted to strengthen the area and prevent future hernias.

31 services31 patients

Hospital Affiliations CMS Care Compare 4

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

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490040

Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County

Emergency services Birthing friendly

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490050

Location1701 North George Mason DriveArlington, VA 22205 · Arlington County

Emergency services Birthing friendly

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

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490122

Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22079 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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.

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.

92.61/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.22

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 18

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

INFECTIOUS DISEASES ASSOCIATES PC

Internal Medicine (Infectious Disease)

8988 LORTON STATION BLVD, #204
LORTON, VA 22079

Fairfax County (703) 339-3524

FAIRFAX FAMILY PRACTICE CENTERS PC

Family Medicine

8988 LORTON STATION BLVD, SUITE 201
LORTON, VA 22079

Fairfax County (703) 339-7550

KC PHARMACY HEALTHMART INC

Pharmacy (Community/Retail Pharmacy)

8988 LORTON STATION BLVD, SUITE 102
LORTON, VA 22079

Fairfax County (703) 339-9599

DR. DAVID W LEE MD

Family Medicine

8988 LORTON STATION BLVD, SUITE 201
LORTON, VA 22079

Fairfax County (703) 339-7550

DR. CHRISTINE H. LEE MD

Family Medicine

8988 LORTON STATION BLVD, SUITE 201
LORTON, VA 22079

Fairfax County (703) 339-7550

MR. JOHN SANTE SYMINGTON M.D.

Specialist

8988 LORTON STATION BLVD, #204
LORTON, VA 22079

Fairfax County (703) 339-3524

DR. DEBORA VASQUEZ M.D.

Family Medicine

8988 LORTON STATION BLVD
LORTON, VA 22079

Fairfax County (703) 780-2800

SENTARA MEDICAL GROUP

Surgery

8988 LORTON STATION BLVD, STE 103
LORTON, VA 22079

Fairfax County (703) 763-4355

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 George Gillian's NPI number?

The NPI number for George Gillian is 1508832627. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is George Gillian located?

George Gillian practices at 8988 Lorton Station Blvd Suite 202, Lorton, VA 22079. The listed phone number is (703) 372-2280.

What is George Gillian's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is George Gillian enrolled in Medicare?

Yes. George Gillian 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 George Gillian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Gillian reassigns Medicare benefits to 2 organizations: Loudoun Medical Group, PC (Alexandria, VA) and Inova Health Care Services (Falls Church, VA). 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 George Gillian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is George Gillian affiliated with any hospitals?

According to CMS data, George Gillian is affiliated with Inova Alexandria Hospital, Virginia Hospital Center, Inova Fairfax Hospital and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for George Gillian was last updated on February 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.