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Micrographic Dermatologic Surgery (MDS)

Hillary Johnson-Jahangir, MD

Sees patients in Ottumwa, IA · Coralville, IA · Moline, IL · Iowa, Illinois

Summary

Dr. Hillary Johnson-Jahangir, MD is a dermatologic surgeon at 1005 Pennsylvania Ave, Suite 210, Ottumwa, IA 52501. Phone: (641) 683-3195. Accepts Medicare assignment. In 2024, Hillary Johnson-Jahangir had 637 Original Medicare patients and 2,191 services. NPI 1710193644. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologic surgeon (Medicare lists Micrographic Dermatologic Surgery (MDS))
  • Address: 1005 Pennsylvania Ave, Suite 210, Ottumwa, IA 52501 · Directions (2 more locations)
  • Phone: (641) 683‑3195
  • Medicare: Accepts Medicare assignment
  • Group practice: Forefront Dermatology SC
  • Medical school: University Of Washington School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Hillary Johnson-Jahangir, 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 Hillary Johnson-Jahangir accept Medicare assignment?
Yes. Medicare's clinician data says Hillary Johnson-Jahangir 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 Hillary Johnson-Jahangir see?
In 2024, CMS data shows 637 Original Medicare patients and 2,191 services for Hillary Johnson-Jahangir. This counts Original Medicare only and measures volume, not quality.
What is Hillary Johnson-Jahangir's NPI number?
1710193644. 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 Hillary Johnson-Jahangir, 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 patients637
Services billed to Medicare2,191
Different services or procedures91
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)520 services
  2. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)248 services
  3. Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm (12052)129 services
  4. Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.5 cm or less (12051)82 services
  5. Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less (14060)76 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 pressure69%
  • High cholesterol69%
  • Arthritis36%
  • Diabetes21%
  • Ischemic heart disease20%
  • Chronic kidney disease17%

Practice locations

Addresses where Hillary Johnson-Jahangir is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hillary Johnson-Jahangir as a member of this group (CMS data updated October 2, 2026).

  • Forefront Dermatology SC662 clinicians in the group

Specialties

Find other Micrographic Dermatologic Surgery (MDS) doctors in Iowa →

Other dermatologic surgeons in Iowa

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

All dermatologic surgeons in Iowa →

Other clinicians in Forefront Dermatology SC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710193644
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians