DR. GREGORY ALLEN RIDDLE MD
NPI 1043398456
Preventive Medicine - Aerospace Medicine in Grand Forks Afb, ND

Q: What is Gregory Riddle's NPI number?

The NPI number for Gregory Riddle is 1043398456. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Q: What is Gregory Riddle's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Aerospace Medicine, with taxonomy code 2083A0100X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Riddle was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 November 02, 2006PECOS Enrolled

1599 JONES STREET, GRAND FORKS AFB, ND 58205(701) 747-5326 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Gregory Allen Riddle Md NPPES

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

DR. GREGORY ALLEN RIDDLE MD (NPI 1043398456) is an individual aerospace medicine provider in Grand Forks Afb, North Dakota, licensed in Alabama (19406) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043398456

Entity TypeIndividualMale

Primary Taxonomy2083A0100X

Provider Legal NameDR. GREGORY ALLEN RIDDLECredential: MD

Location Address1599 JONES STREETGrand Forks Afb, ND 58205

Mailing Address1599 Jones StreetGrand Forks Afb, ND 58205 · (701) 747-5326

Phone(701) 747-5326

Sole ProprietorYes

Enumeration DateNovember 2, 2006

Last NPPES UpdateDecember 8, 2025

NPPES CertifiedDecember 8, 2025

✔ NPI 1043398456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPreventive Medicine · Aerospace MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083A0100X

License✔ Licensed in AL · 19406

Definition

Aerospace medicine focuses on the clinical care, research, and operational support of the health, safety, and performance of crewmembers and passengers of air and space vehicles, together with the support personnel who assist operation of such vehicles. This population often works and lives in remote, isolated, extreme, or enclosed environments under conditions of physical and psychological stress. Practitioners strive for an optimal human-machine match in occupational settings rich with environmental hazards and engineering countermeasures.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 19406 (AL)

Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License 19406 (AL)

1599 JONES STREET, Grand Forks Afb, ND 58205

Open in Google Maps ↗

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 Allen Riddle 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 58205 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

$127.45 typical visit price

range $55.75 – $168.12

Typical copayment $31.86 (range $13.93 – $42.03)

Most-billed visit code 99204

Established Patient

$98.29 typical visit price

range $18.11 – $137.65

Typical copayment $24.57 (range $4.52 – $34.41)

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.

Other Providers at the Same Location NPPES 3

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

DR. ERIC YANG DO

Pediatrics

1599 JONES STREET
GRAND FORKS AFB, ND 58205

Grand Forks County (701) 747-5547

BENJAMIN LOFGREN DPT

Physical Therapist

1599 JONES STREET
GRAND FORKS AFB, ND 58205

Grand Forks County (701) 747-5547

MR. ANTHONY MILLER LCSW

Social Worker (Clinical)

1599 JONES STREET
GRAND FORKS AFB, ND 58205

Grand Forks County (701) 747-4460

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 Riddle's NPI number?

The NPI number for Gregory Riddle is 1043398456. It was assigned to this individual provider in the NPPES registry on November 2, 2006.

Where is Gregory Riddle located?

Gregory Riddle practices at 1599 Jones Street, Grand Forks Afb, ND 58205. The listed phone number is (701) 747-5326.

What is Gregory Riddle's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Aerospace Medicine, with taxonomy code 2083A0100X.

Is Gregory Riddle enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Gregory Riddle was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.