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

AARON A. JOHNSTON M.D.
NPI 1376830059
Preventive Medicine - Aerospace Medicine in Vandenberg Afb, CA

Q: What is Aaron Johnston's NPI number?

The NPI number for Aaron Johnston is 1376830059. It was assigned to this individual provider in the NPPES registry on July 1, 2011.

Q: What is Aaron Johnston'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 Aaron Johnston was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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 July 01, 2011PECOS Enrolled

338 S DAKOTA AVE, VANDENBERG AFB, CA 93437(805) 605-3503 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 25, 2026, Aug 15, 2023, Aug 17, 2020 (3 updates tracked since 2020).

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About Aaron A. Johnston M.d. NPPES

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

AARON A. JOHNSTON M.D. (NPI 1376830059) is an individual aerospace medicine provider in Vandenberg Afb, California, licensed in Mississippi (23337) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376830059

Entity TypeIndividualMale

Primary Taxonomy2083A0100X

Provider Legal NameAARON A. JOHNSTONCredential: M.D.

Location Address338 S DAKOTA AVEVandenberg Afb, CA 93437-6307

Mailing Address338 S Dakota AveVandenberg Afb, CA 93437-6307 · (808) 606-4686

Phone(805) 605-3503

Sole ProprietorNo

Enumeration DateJuly 1, 2011

Last NPPES UpdateSeptember 25, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 25, 2026

✔ NPI 1376830059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Aerospace MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083A0100X

License✔ Licensed in MS · 23337

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 ListedPediatricsTaxonomy 208000000X · License 23337 (MS)

338 S DAKOTA AVE, Vandenberg Afb, CA 93437

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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)

Aaron A. Johnston M.d. 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 93437 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

$139.99 typical visit price

range $62.01 – $184.40

Typical copayment $34.99 (range $15.50 – $46.10)

Most-billed visit code 99204

Established Patient

$108.26 typical visit price

range $20.60 – $151.20

Typical copayment $27.06 (range $5.15 – $37.80)

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 20

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

JACOB RAY WINCHESTER PA STUDENT

Physician Assistant