Zachary Zemore, M.D.
NPI 1477908234 · Emergency Medicine Physician · Sheridan, WY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Zemore, M.D. is a Emergency Medicine Physician provider in Sheridan, WY (NPI 1477908234).
Provider details
- NPI number
- 1477908234
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 16088A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
217 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 132 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 25 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $165 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 14 | $79 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 14 | $78 |
| Critical Care, First 30-74 Minutes99291 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 10110 South 7650 EastCrow Agency, MT 59022Phone: (406) 638-3424Fax: (406) 638-3547
Registry dates
- Enumerated
- 2016-04-29
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Zachary Zemore's NPI number?
- Zachary Zemore's National Provider Identifier (NPI) is 1477908234, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Zemore's specialty?
- Zachary Zemore is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Zemore located?
- Zachary Zemore's practice location on file with NPPES is 1401 W 5th St, Sheridan, WY 82801-2705.
- What is Zachary Zemore's phone number?
- The practice phone number listed in the NPPES registry for Zachary Zemore is (307) 672-1000.
- Does Zachary Zemore accept Medicare?
- Zachary Zemore is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Zemore's NPI active?
- Yes — Zachary Zemore's NPI (1477908234) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.