Allopathic & Osteopathic Physicians / 2083A0100X
Individual · specialization · Medicare specialty 84
2083A0100X Aerospace Medicine Physician
2083A0100X is the taxonomy code for Aerospace Medicine, a specialization of Preventive Medicine, in the NUCC group “Allopathic & Osteopathic Physicians”. It is a code for individual providers — the kind used on a Type 1 NPI. Medicare maps it to specialty 84, Physician/Preventive Medicine, under which 1,039 practitioners are enrolled.
- 1Taxonomy code 2083A0100X
- 2Level Specialization
- 3Medicare specialty 84 Physician/Preventive Medicine
- 4Codes in this group 238
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.
— NUCC Health Care Provider Taxonomy, version 26.1
Where 2083A0100X sits
- Group: Allopathic & Osteopathic Physicians — code 180 of 238 in the group
- Classification: Preventive Medicine
- Specialization: Aerospace Medicine 2083A0100X
Choose 2083A0100X over the general Preventive Medicine code when the provider's training or certification is specifically in aerospace medicine; the general code covers the classification as a whole. A provider may report more than one taxonomy code on an NPI but marks one as primary.
Medicare
CMS's taxonomy crosswalk links 2083A0100X to Medicare specialty 84 (Physician/Preventive Medicine). That specialty — not the taxonomy code itself — is what Medicare enrollment records and uses for payment. 1,039 practitioners are enrolled under it nationally, and 9 other taxonomy codes map to the same specialty.
Other codes under the same Medicare specialty: 2083A0300X Addiction Medicine (Preventive Medicine) Physician; 2083B0002X Obesity Medicine (Preventive Medicine) Physician; 2083C0008X Clinical Informatics Physician; 2083P0011X Undersea and Hyperbaric Medicine (Preventive Medicine) Physician; 2083P0500X Preventive Medicine/Occupational Environmental Medicine Physician; 2083P0901X Public Health & General Preventive Medicine Physician; 2083S0010X Sports Medicine (Preventive Medicine) Physician; 2083T0002X Medical Toxicology (Preventive Medicine) Physician; and 1 more.
Related codes
| Code | Preventive Medicine — other specializations |
|---|---|
| 2083A0300X | Addiction Medicine |
| 2083C0008X | Clinical Informatics |
| 2083T0002X | Medical Toxicology |
| 2083B0002X | Obesity Medicine |
The nearest 4 of 9 other codes under Preventive Medicine; all are on the group page.
History of 2083A0100X
NUCC's earliest recorded change to 2083A0100X is from 2007 (definition added, source added), and has been revised 1 time since.
- 2007-07-01 — definition added, source added
- 2011-07-01 — modified source
Similar codes in other groups
If 2083A0100X is not quite right, these codes in other groups share a word with it — often the same field practised by a different kind of provider:
- 125Q00000X Oral Medicine Dentistry (Dental Providers)
- 163WC0200X Critical Care Medicine Registered Nurse (Nursing Service Providers)
- 173000000X Legal Medicine (Other Service Providers)
- 1835E0208X Emergency Medicine Pharmacist (Pharmacy Service Providers)
- 364SC0200X Critical Care Medicine Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers)
- 363LC0200X Critical Care Medicine Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers)
Find providers with 2083A0100X
Using 2083A0100X
The code goes in the taxonomy field of the NPI application in NPPES, and on claims where a payer asks for it — box 24J (shaded) or 33b on the CMS-1500 with the ZZ qualifier, or the PRV segment of an 837 electronic claim. Payers match it against the taxonomy on the NPI record and, for Medicare, against the specialty on the enrollment, so all three should agree. To see which code a provider uses, search their NPI in the lookup.
Sources: NUCC Health Care Provider Taxonomy code set, version 26.1 (CSV); CMS Medicare Provider and Supplier Taxonomy Crosswalk, August 2026; CMS Medicare Fee-For-Service Public Provider Enrollment, extract of 2026-09-29. Checked 2026-10-24. Methodology.