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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.

MR. GARY NEIL GROSS MD
NPI 1285601336
Allergy & Immunology - Allergy in Dallas, TX

Active since March 07, 2006Opted out of Medicare · through May 21, 2028
5499 GLEN LAKES DRIVE, STE 100, DALLAS, TX 75231(214) 691-1330(214) 691-6405 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Gary Neil Gross Md NPPES

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

MR. GARY NEIL GROSS MD (NPI 1285601336) is an individual allergy provider in Dallas, Texas, licensed in Texas (D6588) and active in the NPI registry since March 2006. He has opted out of Medicare through May 21, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1285601336
Entity TypeIndividualMale
Primary Taxonomy207KA0200X
Provider Legal NameMR. GARY NEIL GROSSCredential: MD
Location Address5499 GLEN LAKES DRIVE, STE 100Dallas, TX 75231
Mailing Address5499 Glen Lakes Drive, Ste 100Dallas, TX 75231 · (214) 691-1330 · Fax (214) 691-6405
Phone(214) 691-1330
Fax(214) 691-6405
Sole ProprietorNo
Enumeration DateMarch 7, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1285601336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License✔ Licensed in TX · D6588
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
5499 GLEN LAKES DRIVE, Dallas, TX 75231
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mr. Gary Neil Gross Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 21, 2018 through May 21, 2028.

Opt-Out Effective DateMay 21, 2018
Opt-Out In Effect ThroughMay 21, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES

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

MR. MICHAEL EDWARD RUFF MD
Allergy & Immunology (Allergy)
5499 GLEN LAKES DRIVE, SUITE 100
DALLAS, TX 75231
Dallas County (214) 691-1330

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 Gary Gross's NPI number?

The NPI number for Gary Gross is 1285601336. It was assigned to this individual provider in the NPPES registry on March 7, 2006.

Where is Gary Gross located?

Gary Gross practices at 5499 Glen Lakes Drive Ste 100, Dallas, TX 75231. The listed phone number is (214) 691-1330.

What is Gary Gross's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Gary Gross enrolled in Medicare?

No. Gary Gross has opted out of Medicare through May 21, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Gary Gross was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.