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

DR. GREGORY JOHN ARGYROS MD
NPI 1437129137
Internal Medicine - Pulmonary Disease in Olney, MD

Q: What is Gregory Argyros's NPI number?

The NPI number for Gregory Argyros is 1437129137. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Q: What is Gregory Argyros's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Argyros 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 30 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 January 25, 2006PECOS Enrolled

16809 ETHELWOOD TER, OLNEY, MD 20832(202) 782-6206(202) 782-6507 Get Directions Write a Review

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

On this page

About Dr. Gregory John Argyros Md NPPES

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

DR. GREGORY JOHN ARGYROS MD (NPI 1437129137) is an individual pulmonary disease provider in Olney, Maryland, licensed in Pennsylvania (MD043212E) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437129137

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. GREGORY JOHN ARGYROSCredential: MD

Location Address16809 ETHELWOOD TEROlney, MD 20832-2913

Mailing Address16809 Ethelwood TerOlney, MD 20832-2913 · (202) 782-6206 · Fax (202) 782-6507

Phone(202) 782-6206

Fax(202) 782-6507

Sole ProprietorNo

Enumeration DateJanuary 25, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1437129137 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in PA · MD043212E

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

16809 ETHELWOOD TER, Olney, MD 20832

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory John Argyros Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20832 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

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Gregory Argyros's NPI number?

The NPI number for Gregory Argyros is 1437129137. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Gregory Argyros located?

Gregory Argyros practices at 16809 Ethelwood Ter, Olney, MD 20832. The listed phone number is (202) 782-6206.

What is Gregory Argyros's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gregory Argyros enrolled in Medicare?

Yes. Gregory Argyros is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Argyros 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 30 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.