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Dermatology

Timothy G. Abrahamson, MD

Works at hospitals in Des Moines, IA · Iowa

Summary

Dr. Timothy G. Abrahamson, MD is a dermatologist at 2424 128th St, Urbandale, IA 50323. Phone: (515) 243-8676. Accepts Medicare assignment. In 2024, Timothy G. Abrahamson had 1,254 Original Medicare patients and 9,555 services. NPI 1245239623. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy G. Abrahamson, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Timothy G. Abrahamson accept Medicare assignment?
Yes. Medicare's clinician data says Timothy G. Abrahamson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Timothy G. Abrahamson see?
In 2024, CMS data shows 1,254 Original Medicare patients and 9,555 services for Timothy G. Abrahamson. This counts Original Medicare only and measures volume, not quality.
What is Timothy G. Abrahamson's NPI number?
1245239623. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Timothy G. Abrahamson, 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.

Original Medicare patients1,254
Services billed to Medicare9,555
Different services or procedures97
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)3,756 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,548 services
  3. Destruction of precancer skin growth, 1 growth (17000)1,036 services
  4. Destruction of skin growth, 1-14 growths (17110)460 services
  5. Biopsy of related skin growth, first growth (11102)258 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 cholesterol74%
  • High blood pressure68%
  • Arthritis43%
  • Chronic kidney disease24%
  • Ischemic heart disease22%
  • Diabetes20%

Hospitals where Timothy G. Abrahamson works

Medicare's Facility Affiliation Data lists Timothy G. Abrahamson 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.

Practice locations

Addresses where Timothy G. Abrahamson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Timothy G. Abrahamson as a member of this group (CMS data updated October 2, 2026).

  • Greater Des Moines Dermatology PC3 clinicians in the group

Specialties

Find other Dermatology doctors in Iowa →

Other dermatologists in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All dermatologists in Iowa →

Other clinicians in Greater Des Moines Dermatology PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1245239623
CorrectionsReport an error or suggest an update →

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