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

MR. MICHAEL EDWARD RUFF MD
NPI 1679532576
Allergy & Immunology - Allergy in Dallas, TX

Q: What is Michael Ruff's NPI number?

The NPI number for Michael Ruff is 1679532576. It was assigned to this individual provider in the NPPES registry on March 20, 2006.

Q: What is Michael Ruff's specialty?

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

Q: Is Michael Ruff enrolled in Medicare?

No. Michael Ruff 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.

Q: When was this NPI record last updated?

The NPPES record for Michael Ruff 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 43 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.

Active since March 20, 2006Opted out of Medicare · through May 21, 2028

5499 GLEN LAKES DRIVE, SUITE 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 23, 2026.

On this page

About Mr. Michael Edward Ruff Md NPPES

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

MR. MICHAEL EDWARD RUFF MD (NPI 1679532576) is an individual allergy provider in Dallas, Texas, licensed in Texas (G6386) 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

NPI1679532576

Entity TypeIndividualMale

Primary Taxonomy207KA0200X

Provider Legal NameMR. MICHAEL EDWARD RUFFCredential: MD

Location Address5499 GLEN LAKES DRIVE, SUITE 100Dallas, TX 75231

Mailing Address5499 Glen Lakes Drive, Suite 100Dallas, TX 75231 · (214) 691-1330 · Fax (214) 691-6405

Phone(214) 691-1330

Fax(214) 691-6405

Sole ProprietorNo

Enumeration DateMarch 20, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1679532576 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 · G6386

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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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, UnitedHealthcare.Insurance ›

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. Michael Edward Ruff 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. GARY NEIL GROSS MD

Allergy & Immunology (Allergy)

5499 GLEN LAKES DRIVE, STE 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 Michael Ruff's NPI number?

The NPI number for Michael Ruff is 1679532576. It was assigned to this individual provider in the NPPES registry on March 20, 2006.

Where is Michael Ruff located?

Michael Ruff practices at 5499 Glen Lakes Drive Suite 100, Dallas, TX 75231. The listed phone number is (214) 691-1330.

What is Michael Ruff's specialty?

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

Is Michael Ruff enrolled in Medicare?

No. Michael Ruff 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.

What insurance does Michael Ruff accept?

Health plans from Oscar Insurance Company and UnitedHealthcare list Michael Ruff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Ruff 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 43 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.