DR. GUADALUPE GIL VILLARREAL JR. M.D.
NPI 1245593763
Ophthalmology in Falls Church, VA

Active since June 19, 2012PECOS EnrolledAccepts Medicare Assignment
201 N WASHINGTON ST, FALLS CHURCH, VA 22046(703) 237-4027 Get Directions Write a Review

NPPES record last updated: June 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Guadalupe Gil Villarreal Jr. M.d. NPPES

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

DR. GUADALUPE GIL VILLARREAL JR. M.D. (NPI 1245593763) is an individual ophthalmology provider in Falls Church, Virginia, licensed in Maryland (D0081592) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Harvard Medical School (2012).

NPPES Registry Identity

NPI1245593763
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. GUADALUPE GIL VILLARREAL JR.Credential: M.D.
Location Address201 N WASHINGTON STFalls Church, VA 22046-4518
Mailing Address201 N Washington StFalls Church, VA 22046-4518 · (703) 237-4027
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2012
Enumeration DateJune 19, 2012
Last NPPES UpdateJune 2, 2021
NPPES CertifiedJune 2, 2021
✔ NPI 1245593763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MD · D0081592
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
201 N WASHINGTON ST, Falls Church, VA 22046

Secondary Practice Location 1

Location 1600 N Wolfe St, Wilmer Room 122Baltimore, MD 21287-0005 · Phone (410) 955-2777

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. Guadalupe Gil Villarreal Jr. 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 ID5294963815
PECOS Enrollment IDI20161109001874
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 Reassignment

Medicare enrollment records show Guadalupe Villarreal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
8008 WESTPARK DR
Mc Lean, VA 22102
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1972275196 (Virginia), NPI 1114677572 (Virginia)
  • 2,492 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

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.

Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
25 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22046 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
$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.

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.

Nurse Practitioner
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Internal Medicine
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Otolaryngology
201 N WASHINGTON ST, KAISER PERMANENTE FALLS CHURCH MEDICAL CENTER
FALLS CHURCH, VA 22046
Pharmacist
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Pharmacist
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Internal Medicine
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Pharmacist
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Nurse Practitioner (Family)
201 N WASHINGTON ST
FALLS CHURCH, VA 22046

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 Guadalupe Villarreal's NPI number?

The NPI number for Guadalupe Villarreal is 1245593763. It was assigned to this individual provider in the NPPES registry on June 19, 2012.

Where is Guadalupe Villarreal located?

Guadalupe Villarreal practices at 201 N Washington St, Falls Church, VA 22046. The listed phone number is (703) 237-4027.

What is Guadalupe Villarreal's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Guadalupe Villarreal enrolled in Medicare?

Yes. Guadalupe Villarreal 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 organization bills Medicare for Guadalupe Villarreal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guadalupe Villarreal reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Mc Lean, VA). The 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 Guadalupe Villarreal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Guadalupe Villarreal was last updated on June 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.