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GRAND VEIN SPECIALISTS LLC
NPI 1255603247
Family Medicine in Chicago, IL

Active since February 06, 2012
4952 W IRVING PARK RD STE 300, CHICAGO, IL 60641(773) 942-6141(866) 707-2267 Get Directions Write a Review

NPPES record last updated: February 9, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Grand Vein Specialists Llc NPPES

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

GRAND VEIN SPECIALISTS LLC (NPI 1255603247) is a healthcare organization registered as a family medicine in Chicago, Illinois and active in the NPI registry since February 2012. The organization maintains 2 additional practice locations and lists Javier Flores, Owner, as its authorized official.

NPPES Registry Identity

NPI1255603247
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameGRAND VEIN SPECIALISTS LLC
Location Address4952 W IRVING PARK RD STE 300Chicago, IL 60641-2693
Mailing Address4952 W Irving Park Rd Ste 300Chicago, IL 60641-2693 · (773) 942-6141 · Fax (866) 707-2267
Phone(773) 942-6141
Fax(866) 707-2267
Organization SubpartNo
Authorized OfficialJavier FloresOwner · (773) 942-6141
Enumeration DateFebruary 6, 2012
Last NPPES UpdateFebruary 9, 2021
NPPES CertifiedFebruary 9, 2021
✔ NPI 1255603247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036-116087
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.
Also ListedPhlebologyTaxonomy 202K00000X · License 036-116087 (IL)
4952 W IRVING PARK RD STE 300, Chicago, IL 60641
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Secondary Practice Locations 2

Location 16227 Cermak RdBerwyn, IL 60402-2317 · Phone (773) 942-6141 · Fax (866) 707-2267
Location 21508 Grand AveWaukegan, IL 60085-3653 · Phone (773) 942-6141 · Fax (866) 707-2267

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grand Vein Specialists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Grand Vein Specialists LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Alicia Estrada, FNP
Nurse Practitioner
NPI 1003510751
4952 W IRVING PARK RD
Chicago, IL 60641
(773) 614-7296
✔ PECOSSame address
Javier Flores, M.D.,M.P.H.
Family Practice
NPI 1164445854
4952 W IRVING PARK RD STE 300
Chicago, IL 60641
(773) 942-6141
✔ PECOS✔ Accepts MedicareSame address
Libin Zevallos, FNP-BC
Nurse Practitioner
NPI 1649637976
4952 W IRVING PARK RD SUITE 300
Chicago, IL 60641
(773) 942-6141
✔ PECOSSame address
Juanita Mora, MD
Allergy/Immunology
NPI 1750557179
4952 W IRVING PARK RD CHICAGO ALLERGY CENTER SUITE 100
Chicago, IL 60641
(773) 614-7315
✔ PECOS✔ Accepts MedicareSame address
Victor Munoz, M.D.
Family Practice
NPI 1992962146
1030 HIGGINS RD STE 103
Park Ridge, IL 60068
(708) 327-7000
✔ PECOS✔ Accepts Medicare5.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Grand Vein Specialists LLC's NPI number?

The NPI number for Grand Vein Specialists LLC is 1255603247. It was assigned to this organization in the NPPES registry on February 6, 2012.

Where is Grand Vein Specialists LLC located?

Grand Vein Specialists LLC is located at 4952 W Irving Park Rd Ste 300, Chicago, IL 60641. The listed phone number is (773) 942-6141.

What is Grand Vein Specialists LLC's specialty?

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

Is Grand Vein Specialists LLC enrolled in Medicare?

Yes. Grand Vein Specialists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Grand Vein Specialists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Grand Vein Specialists LLC, in Allergy/Immunology, Family Practice and Nurse Practitioner. A 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 the clinician's services. Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Grand Vein Specialists LLC was last updated on February 9, 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.