Level One Emergency Specialists LLC
NPI 1427780097 · Emergency Medicine Physician · Sherman, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Level One Emergency Specialists LLC is a Emergency Medicine Physician organization in Sherman, TX (NPI 1427780097).
Provider details
- NPI number
- 1427780097
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Keelen, Ceo(214) 433-9602
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Nurse Practitioner363L00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2710 Hackberry DriveAnna, TX 75409-2573Phone: (214) 831-2600Fax: (214) 831-2629
Registry dates
- Enumerated
- 2022-06-30
- Last updated
- 2024-02-02
- Certified
- 2024-02-02
Frequently asked questions
- What is Level One Emergency Specialists LLC's NPI number?
- Level One Emergency Specialists LLC's National Provider Identifier (NPI) is 1427780097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Level One Emergency Specialists LLC?
- Level One Emergency Specialists LLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Level One Emergency Specialists LLC located?
- Level One Emergency Specialists LLC's practice location on file with NPPES is 4226 N US Highway 75, Sherman, TX 75090-0531.
- What is Level One Emergency Specialists LLC's phone number?
- The practice phone number listed in the NPPES registry for Level One Emergency Specialists LLC is (903) 487-0857.
- Does Level One Emergency Specialists LLC accept Medicare?
- Level One Emergency Specialists LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Level One Emergency Specialists LLC?
- The authorized official listed on Level One Emergency Specialists LLC's NPPES record is Gregory Keelen, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Level One Emergency Specialists LLC's NPI active?
- Yes — Level One Emergency Specialists LLC's NPI (1427780097) is active in the NPPES registry as of the last update on 2024-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.