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Micrographic Dermatologic Surgery (MDS)

Dema Alniemi, MD

Sees patients in Denison, TX · Texas

Summary

Dr. Dema Alniemi, MD is a dermatologic surgeon at 5130 Pool Rd, Suite 200, Denison, TX 75020. Phone: (903) 463-2223. Accepts Medicare assignment. In 2024, Dema Alniemi had 219 Original Medicare patients and 569 services. NPI 1184088601. 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: 5130 Pool Rd, Suite 200, Denison, TX 75020 · Directions
  • Phone: (903) 463‑2223
  • Medicare: Accepts Medicare assignment
  • Group practice: Dermatology Associates of Denison, PLLC
  • Medical school: Mayo Medical School · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dema Alniemi, 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 Dema Alniemi accept Medicare assignment?
Yes. Medicare's clinician data says Dema Alniemi 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 Dema Alniemi see?
In 2024, CMS data shows 219 Original Medicare patients and 569 services for Dema Alniemi. This counts Original Medicare only and measures volume, not quality.
What is Dema Alniemi's NPI number?
1184088601. 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 Dema Alniemi, 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 patients219
Services billed to Medicare569
Different services or procedures52
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (17311)176 services
  2. Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks (17313)46 services
  3. Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (17312)42 services
  4. Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm (12032)41 services
  5. Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm (12052)22 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 pressure75%
  • High cholesterol75%
  • Arthritis48%
  • Ischemic heart disease32%
  • Chronic kidney disease30%
  • Diabetes26%

Practice locations

Addresses where Dema Alniemi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dema Alniemi as a member of this group (CMS data updated October 2, 2026).

  • Dermatology Associates of Denison, PLLC4 clinicians in the group

Specialties

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

Other dermatologic surgeons in Texas

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

All dermatologic surgeons in Texas →

Other clinicians in Dermatology Associates of Denison, PLLC

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

Clinician information

CredentialMD
Medical schoolMayo Medical School
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184088601
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