1. Home
  2. Directory
  3. Wyoming
  4. Kemmerer
  5. Emergency Medicine
  6. NPI Profile

DR. NATHAN D. WHITTAKER M.D.
NPI 1740459338
Emergency Medicine in Kemmerer, WY

Active since February 27, 2008PECOS EnrolledAccepts Medicare Assignment
711 ONYX ST, KEMMERER, WY 83101(307) 877-4401 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nathan D. Whittaker M.d. NPPES

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

DR. NATHAN D. WHITTAKER M.D. (NPI 1740459338) is an individual emergency medicine provider in Kemmerer, Wyoming, licensed in Michigan (4301088085) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS, is affiliated with South Lincoln Medical Center - Cah, and is a graduate of University Of Utah School Of Medicine (2006).

NPPES Registry Identity

NPI1740459338
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NATHAN D. WHITTAKERCredential: M.D.
Location Address711 ONYX STKemmerer, WY 83101-3214
Mailing Address4440 Snowbell DrSaginaw, MI 48603-8008
Phone(307) 877-4401
Sole ProprietorYes
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2006
Enumeration DateFebruary 27, 2008
Last NPPES UpdateJanuary 5, 2026
NPPES CertifiedJanuary 5, 2026
✔ NPI 1740459338 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 MI · 4301088085
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 ListedGeneral PracticeTaxonomy 208D00000X · License 4756787-1205 (UT)
711 ONYX ST, Kemmerer, WY 83101
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Wyoming.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

Dr. Nathan D. Whittaker 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 ID4789752437
PECOS Enrollment IDI20260121003526
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

4

Medicare enrollment records show Nathan Whittaker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

South Lincoln Hospital District
Same address
Critical Access
711 ONYX ST
Kemmerer, WY 83101
  • Reassigned Medicare billing, Wyoming enrollment
  • Also billed through NPI 1033221569 (Wyoming)
  • 11 clinicians in this Medicare group
NPI 1972743011 (307) 877-4401
Rocky Mountain Emergency Specialists LLC
67 mi
Emergency Medicine
1400 N 500 E
Logan, UT 84341
  • Reassigned Medicare billing, Utah enrollment
  • 21 clinicians in this Medicare group
NPI 1225078736 (435) 716-1000
Oneida County Hospital
92 mi
Critical Access
150 N 200 W
Malad, ID 83252
  • Reassigned Medicare billing, Idaho enrollment
  • 31 clinicians in this Medicare group
NPI 1609826270 (208) 766-2231
Emergency Physicians Integrated Care, LLC
98 mi
Emergency Medicine
1050 E SOUTH TEMPLE
Salt Lake City, UT 84102
  • Reassigned Medicare billing, Utah enrollment
  • 316 clinicians in this Medicare group
NPI 1578598199 (801) 350-4111

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

Hospital Affiliations CMS Care Compare

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

South Lincoln Medical Center - Cah

Critical Access Hospitals · Kemmerer, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531315
Location711 Onyx StreetKemmerer, WY 83101 · Lincoln County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83101 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.

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.

SOUTH LINCOLN HOSPITAL DISTRICT
General Acute Care Hospital (Rural)
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 877-4401
MR. FRED A BALDWIN P.A.
Physician Assistant
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 877-4496
TAMMY KRELL RN, MSN
Registered Nurse (Diabetes Educator)
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 800-8672
MRS. ANIA MATHEWS PHARMD
Pharmacist
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 877-4401
MR. SCOTT MARTIN ERICKSON M.COUN.,L.P.C. 1010
Counselor (Professional)
711 ONYX ST, OFFICE OF THE DIRECTOR OF QUALITY AND COMPLIANCE
KEMMERER, WY 83101
Lincoln County (307) 877-4496
ERICKSON COUNSELING & COACHING LLC
Counselor (Mental Health)
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 708-2967
MELISSA A FOSTER FNP-C
Nurse Practitioner (Family)
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 877-4496
CHAD WILLIAM SEILER MD
Family Medicine
711 ONYX ST
KEMMERER, WY 83101
Lincoln County (307) 877-4496

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 Nathan Whittaker's NPI number?

The NPI number for Nathan Whittaker is 1740459338. It was assigned to this individual provider in the NPPES registry on February 27, 2008.

Where is Nathan Whittaker located?

Nathan Whittaker practices at 711 Onyx St, Kemmerer, WY 83101. The listed phone number is (307) 877-4401.

What is Nathan Whittaker's specialty?

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

Is Nathan Whittaker enrolled in Medicare?

Yes. Nathan Whittaker 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 Nathan Whittaker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Whittaker reassigns Medicare benefits to 4 organizations: South Lincoln Hospital District (Kemmerer, WY), Rocky Mountain Emergency Specialists LLC (Logan, UT), Oneida County Hospital (Malad, ID) and Emergency Physicians Integrated Care, LLC (Salt Lake City, UT). 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 Nathan Whittaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Whittaker accept?

Health plans from Blue Cross Blue Shield of Wyoming list Nathan Whittaker 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 Nathan Whittaker affiliated with any hospitals?

According to CMS data, Nathan Whittaker is affiliated with South Lincoln Medical Center - Cah.

When was this NPI record last updated?

The NPPES record for Nathan Whittaker was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.