DR. ALLAN LEE MATTERN I M.D.
NPI 1023175635
Internal Medicine - Cardiovascular Disease in Douglas, WY

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

Active since January 02, 2007PECOS Enrolled

111 S 5TH ST, DOUGLAS, WY 82633(307) 358-7300 Get Directions Write a Review

NPPES record last updated: December 22, 2016. Verified against the NPPES registry weekly; last sync: July 19, 2026.

On this page

About Dr. Allan Lee Mattern I M.d. NPPES

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

DR. ALLAN LEE MATTERN I M.D. (NPI 1023175635) is an individual cardiovascular disease provider in Douglas, Wyoming, licensed in Wyoming (3059A) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023175635

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. ALLAN LEE MATTERN ICredential: M.D.

Location Address111 S 5TH STDouglas, WY 82633-2434

Mailing Address111 S 5th StDouglas, WY 82633-2434 · (307) 358-7300

Phone(307) 358-7300

Sole ProprietorYes

Enumeration DateJanuary 2, 2007

Last NPPES UpdateDecember 22, 2016

✔ NPI 1023175635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in WY · 3059A

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedSpecialistTaxonomy 174400000X · License 3059A (WY)

111 S 5TH ST, Douglas, WY 82633

Open in Google Maps ↗

Other Identifiers 6

Medicare PINW304480WY

Other304480WY · Blue Shield

Other060040677WY · Railroad Medicare

Other060025397WY · Rr Mcare - Wcps

Medicaid102651800WY

Medicare PIN305074WY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Allan Lee Mattern I M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82633 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

$129.37 typical visit price

range $56.42 – $170.72

Typical copayment $32.34 (range $14.10 – $42.68)

Most-billed visit code 99204

Established Patient

$70.32 typical visit price

range $18.19 – $139.32

Typical copayment $17.58 (range $4.54 – $34.83)

Most-billed visit code 99213

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.

KELLIE DALE CLAUSEN F.N.P.

Nurse Practitioner (Family)