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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ALISON MARISSA HIXON MD, PHD
NPI 1700454956
Internal Medicine - Infectious Disease in Boise, ID

Active since June 15, 2021PECOS Enrolled
125 E IDAHO ST, BOISE, ID 83712(208) 381-1950(208) 381-1951 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 31, 2026, May 7, 2026, Jun 15, 2021 (3 updates tracked since 2021).

About Alison Marissa Hixon Md, Phd NPPES

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

ALISON MARISSA HIXON MD, PHD (NPI 1700454956) is an individual infectious disease provider in Boise, Idaho, licensed in Idaho (3481800) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1700454956
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameALISON MARISSA HIXONCredential: MD, PHD
Location Address125 E IDAHO STBoise, ID 83712-6212
Mailing Address190 E Bannock StBoise, ID 83712-6241
Phone(208) 381-1950
Fax(208) 381-1951
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 15, 2021
Last NPPES UpdateJuly 31, 20263 updates tracked since enumeration
NPPES CertifiedJuly 31, 2026
✔ NPI 1700454956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in ID · 3481800
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
125 E IDAHO ST, Boise, ID 83712
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alison Marissa Hixon Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820568694
PECOS Enrollment IDI20260522000209
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 83712 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
$121.27 typical visit price
range $52.44 – $160.17
Typical copayment $30.31 (range $13.11 – $40.04)
Most-billed visit code 99204
Established Patient
$93.26 typical visit price
range $16.68 – $130.93
Typical copayment $23.31 (range $4.17 – $32.73)
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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CASI MCPHERSON WYATT DO
Internal Medicine (Infectious Disease)
125 E IDAHO ST, SUITE 203
BOISE, ID 83712
Ada County (208) 338-0148
MICHAEL P NAEVE MD
Orthopaedic Surgery
125 E IDAHO ST, SUITE 102
BOISE, ID 83712
Ada County (208) 381-7399
THOMAS MCKAY STROBEL MD
Psychiatry & Neurology (Neurology)
125 E IDAHO ST
BOISE, ID 83712
Ada County (208) 381-7335
DR. BIRGITT LUCILLE DAU M.D.
Internal Medicine (Infectious Disease)
125 E IDAHO ST, SUITE 203
BOISE, ID 83712
Ada County (208) 388-0148
HARLEY NEIL SWEETEN PA
Physician Assistant
125 E IDAHO ST, SUITE 102
BOISE, ID 83712
Ada County (208) 381-7300
RONALD E JUTZY MD
Neurological Surgery
125 E IDAHO ST, SUITE 102
BOISE, ID 83712
Ada County (208) 381-7300
SKY R BLUE M.D.
Internal Medicine (Infectious Disease)
125 E IDAHO ST, SUITE 203
BOISE, ID 83712
Ada County (208) 338-0148
MR. TROY BRITTON CRNA
Nurse Anesthetist, Certified Registered
125 E IDAHO ST, SUITE 303
BOISE, ID 83712
Ada County (208) 344-5757

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 Alison Hixon's NPI number?

The NPI number for Alison Hixon is 1700454956. It was assigned to this individual provider in the NPPES registry on June 15, 2021.

Where is Alison Hixon located?

Alison Hixon practices at 125 E Idaho St, Boise, ID 83712. The listed phone number is (208) 381-1950.

What is Alison Hixon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Alison Hixon enrolled in Medicare?

Yes. Alison Hixon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alison Hixon was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days 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.