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Otolaryngology

Donald A. Maschka, MD

Works at hospitals in Boulder, CO · Colorado

Summary

Dr. Donald A. Maschka, MD is an ENT doctor at 300 Exempla Cir, Suite 270, Lafayette, CO 80026. Phone: (303) 443-2771. Accepts Medicare assignment. In 2024, Donald A. Maschka had 386 Original Medicare patients and 2,413 services. NPI 1316933484. 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.

  • Specialty: ENT doctor (Medicare lists Otolaryngology)
  • Address: 300 Exempla Cir, Suite 270, Lafayette, CO 80026 · Directions (1 more location)
  • Phone: (303) 443‑2771
  • Medicare: Accepts Medicare assignment
  • Hospital: Boulder Community Health
  • Group practice: Boulder Valley Ear Nose and Throat Associates PC
  • Medical school: University Of Iowa, Rj & L Carver College Of Medicine · graduated 1988 (38 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Donald A. Maschka, 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 Donald A. Maschka accept Medicare assignment?
Yes. Medicare's clinician data says Donald A. Maschka 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 Donald A. Maschka see?
In 2024, CMS data shows 386 Original Medicare patients and 2,413 services for Donald A. Maschka. This counts Original Medicare only and measures volume, not quality.
What is Donald A. Maschka's NPI number?
1316933484. 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 Donald A. Maschka, 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 patients386
Services billed to Medicare2,413
Different services or procedures54
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Test for allergy using allergenic extract (95004)1,580 services
  2. Comprehensive hearing and speech recognition test (92557)116 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)100 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)98 services
  5. Diagnostic exam of nasal passages using an endoscope (31231)96 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 cholesterol65%
  • High blood pressure51%
  • Arthritis45%
  • Ischemic heart disease28%
  • Depression19%
  • Osteoporosis19%

Hospitals where Donald A. Maschka works

Medicare's Facility Affiliation Data lists Donald A. Maschka 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.

  • Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027

Practice locations

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

Group practices

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

  • Boulder Valley Ear Nose and Throat Associates PC15 clinicians in the group

Specialties

Find other Otolaryngology doctors in Colorado →

Other ENT doctors in Colorado

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

All ENT doctors in Colorado →

Other clinicians in Boulder Valley Ear Nose and Throat Associates 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 year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316933484
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