Mara A. Additon, MD

Medicare activity in 2024

Official CMS public-use data for Mara A. Additon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)49 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)22 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)22 services
5. Biopsy or removal of deep lymph nodes of underarm (38525)20 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure71%
• High cholesterol61%
• Arthritis47%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)39%
• Depression38%
• Anxiety35%

Hospitals where Mara A. Additon works

Medicare's Facility Affiliation Data lists Mara A. Additon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Bear Lake Memorial HospitalMontpelier, ID · Critical Access Hospital · Emergency services: listed by Medicare · CCN 131316
• Portneuf Medical CenterPocatello, ID · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 130028

Practice locations

Addresses where Mara A. Additon is enrolled with Medicare (CMS data updated October 2, 2026).

• 777 Hospital WayPocatello, ID 83201

Group practices

Medicare enrollment lists Mara A. Additon as a member of this group (CMS data updated October 2, 2026).

• Pocatello Health Services LLC175 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Idaho →

Other general surgeons in Pocatello

Clinicians with the same Medicare primary specialty in Pocatello, ID — not a recommendation.

• Jorge E. De Amorim Filho, MD
• Joel S. Goodwin Ii, MD
• Claine D. Judy, DO
• Alexa E. Roth, MD
• Andrew W. McRoberts, MD
• Jon C. Oberg, MD
• Harriet Barratt, MD
• Lawrence H. Roberts, MD

All general surgeons in Pocatello →

Other clinicians in Pocatello Health Services LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Ryan B. Longmore, DO
• Benjamin F. Call, MD
• Marc A. Vetri, PA
• Alfonso Hernandez Jr., PA
• David Gonzalez, MD
• Mohammad O. Syed, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians