Marcus Theus, MD
NPI 1225529167 · Emergency Medicine Physician · Nellis Afb, NV
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Theus, MD is a Emergency Medicine Physician provider in Nellis Afb, NV (NPI 1225529167).
Provider details
- NPI number
- 1225529167
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A163877 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-26
- Last updated
- 2023-08-07
- Certified
- 2023-08-06
Frequently asked questions
- What is Marcus Theus's NPI number?
- Marcus Theus's National Provider Identifier (NPI) is 1225529167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Theus's specialty?
- Marcus Theus is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Theus located?
- Marcus Theus's practice location on file with NPPES is 4700 Las Vegas Blvd N, Nellis Afb, NV 89191-6600.
- What is Marcus Theus's phone number?
- The practice phone number listed in the NPPES registry for Marcus Theus is (702) 653-2273.
- Does Marcus Theus accept Medicare?
- Marcus Theus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Theus's NPI active?
- Yes — Marcus Theus's NPI (1225529167) is active in the NPPES registry as of the last update on 2023-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.