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ZACHARY ZEMORE M.D.
NPI 1477908234
Emergency Medicine in Sheridan, WY

Active since April 29, 2016PECOS EnrolledAccepts Medicare Assignment
71.6/100
CMS Quality Rating
1401 W 5TH ST, SHERIDAN, WY 82801(307) 672-1000 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Zachary Zemore M.d. NPPES

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

ZACHARY ZEMORE M.D. (NPI 1477908234) is an individual emergency medicine provider in Sheridan, Wyoming, licensed in Montana (MED-PHYS-LIC-117601) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains a secondary practice location in Crow Agency.

NPPES Registry Identity

NPI1477908234
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameZACHARY ZEMORECredential: M.D.
Location Address1401 W 5TH STSheridan, WY 82801-2705
Mailing Address10110 South 7650 EastCrow Agency, MT 59022 · (406) 638-3424 · Fax (406) 638-3547
Phone(307) 672-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 29, 2016
Last NPPES UpdateOctober 9, 2025
NPPES CertifiedOctober 9, 2025
✔ NPI 1477908234 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MT · MED-PHYS-LIC-117601
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedInternal MedicineTaxonomy 207R00000X · License 16088A (WY), 0116029170 (VA)
1401 W 5TH ST, Sheridan, WY 82801
Open in Google Maps ↗

Secondary Practice Location 1

Location 110110 South 7650 EastCrow Agency, MT 59022 · Phone (406) 638-3424 · Fax (406) 638-3547

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of Wyoming, Mountain Health CO-OP.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Zachary Zemore M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082908447
PECOS Enrollment IDI20230912002145, I20251008002001
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Zachary Zemore reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorial Hospital Of Sheridan County
0.1 mi
General Acute Care Hospital
1401 W 5TH ST
Sheridan, WY 82801
  • Reassigned Medicare billing, Wyoming enrollment
  • 133 clinicians in this Medicare group
NPI 1487707188 (307) 672-1000
Billings Clinic
100 mi
Emergency Care
2800 10TH AVE N
Billings, MT 59101
  • Reassigned Medicare billing, Montana enrollment
  • 1,264 clinicians in this Medicare group
NPI 1326104845 (406) 657-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
132 services126 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
25 services14 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services21 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
14 services14 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
14 services13 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Campbell County Health

Acute Care Hospitals · Gillette, WY
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number530002
Location501 South Burma AvenueGillette, WY 82716 · Campbell County
Emergency services

Sheridan Memorial Hospital

Acute Care Hospitals · Sheridan, WY
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number530006
Location1401 W 5th StSheridan, WY 82801 · Sheridan County
Emergency services

Johnson County Healthcare Center

Critical Access Hospitals · Buffalo, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531308
Location497 West LottBuffalo, WY 82834 · Johnson County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82801 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
$87.12 typical visit price
range $56.42 – $170.72
Typical copayment $21.78 (range $14.10 – $42.68)
Most-billed visit code 99203
Established Patient
$99.46 typical visit price
range $18.19 – $139.32
Typical copayment $24.86 (range $4.54 – $34.83)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

71.6/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.8
Promoting Interoperability95
Improvement Activities40
Cost48.7

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.

ROCKY MOUNTAIN HOLDINGS, LLC
Ambulance (Air Transport)
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (888) 636-4438
GREGORY GERRITT MARINO DO
Internal Medicine (Hematology & Oncology)
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (307) 674-6022
MEMORIAL HOSPITAL OF SHERIDAN COUNTY
Psychiatric Unit
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (307) 672-1000
DR. KRISTEN LEANN SCHAEFER M.D.
Anesthesiology
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (307) 672-1000
DAVIS M SWAN MD
Anesthesiology
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (307) 672-7874
LACI LITTLE N.P.
Nurse Practitioner (Family)
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (307) 675-5850
PATRICIA TOBI M.D.
Anesthesiology
1401 W 5TH ST, SHERIDAN MEMORIAL HOSPITAL
SHERIDAN, WY 82801
Sheridan County (307) 672-1000
MEMORIAL HOSPITAL OF SHERIDAN COUNTY
Hospice Care, Community Based
1401 W 5TH ST
SHERIDAN, WY 82801
Sheridan County (307) 672-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Zachary Zemore's NPI number?

The NPI number for Zachary Zemore is 1477908234. It was assigned to this individual provider in the NPPES registry on April 29, 2016.

Where is Zachary Zemore located?

Zachary Zemore practices at 1401 W 5th St, Sheridan, WY 82801. The listed phone number is (307) 672-1000.

What is Zachary Zemore's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Zachary Zemore enrolled in Medicare?

Yes. Zachary Zemore is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Zachary Zemore's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Zemore reassigns Medicare benefits to 2 organizations: Memorial Hospital Of Sheridan County (Sheridan, WY) and Billings Clinic (Billings, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Zachary Zemore's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Zemore accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Zachary Zemore as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Zachary Zemore affiliated with any hospitals?

According to CMS data, Zachary Zemore is affiliated with Billings Clinic, Campbell County Health, Sheridan Memorial Hospital and Johnson County Healthcare Center.

When was this NPI record last updated?

The NPPES record for Zachary Zemore was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.