Dr. Donald A. Maschka, MD
- Medicare services, 2024
- 2,313
- Medicare patients, 2024
- 386
- Part D claims, 2024
- 198
- Hospital affiliations
- 1
- Industry payments
- $314
- Practice address
- 4745 Arapahoe Ave, Boulder, CO 80303
- Practice phone
- Call (303) 443-2771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boulder Valley Ear Nose & Throat Associates
Boulder, Colorado
Find Dr. Maschka's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Donald A. Maschka is an otolaryngologist in Boulder, Colorado
Dr. Maschka practices at Boulder Valley Ear Nose & Throat Associates in Boulder, Colorado.
Dr. Maschka's NPI, 1316933484, was assigned on September 23, 2005. Dr. Maschka graduated from University of Iowa, RJ & L Carver College of Medicine in 1988. Dr. Maschka holds Iowa license 31558.
- NPI
- 1316933484NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365448495
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 443-2771
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Donald A. Maschka practices at Boulder Valley Ear Nose & Throat Associates in Boulder, Colorado
Dr. Maschka's primary practice is Boulder Valley Ear Nose & Throat Associates, at 4745 Arapahoe Ave, Boulder, CO 80303 in Boulder County. The practice phone is (303) 443-2771.
- Boulder Valley Ear Nose & Throat Associates4745 Arapahoe Ave, Boulder, CO 80303 · Boulder CountyPhone(303) 443-2771
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Donald A. Maschka is affiliated with 3 sites of care and 1 medical group
Dr. Maschka's primary practice is Boulder Valley Ear Nose & Throat Associates in Boulder, Colorado. Dr. Maschka is also affiliated with Foothills Hospital. The medical group on file is Boulder Valley Ear, Nose & Throat Associates. Dmand AI also links Dr. Maschka to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Donald A. Maschka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maschka practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boulder Valley Ear Nose & Throat Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Donald A. Maschka is one of 166 otolaryngologists in Colorado
Otolaryngology is Dr. Maschka's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Maschka is licensed in Iowa.
Specialties and state licenses
- Otolaryngology, IowaPrimary
Otolaryngologists near Dr. Maschka
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Donald A. Maschka billed Medicare for 2,313 services in 2024
CMS data shows 2,313 Medicare services from Dr. Maschka across 11 procedure codes in 2024, for 386 Medicare patients. Medicare paid $67,930 for them. Every service was in an office.
Dr. Maschka's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 8452024: 1,736105%
- Office and hospital visits
- 2023: 7832024: 41547%
- Surgery
- 2023: 3662024: 16256%
- Other services
- 2023: 302024: 0100%
Dr. Maschka compared with the Colorado median for otolaryngologists, 2024
- Dr. Maschka
- Colorado median
- Medicare services
- 2,313vs 5504.2 times
- Medicare patients
- 386vs 25154% above
- Part D claims
- 130vs 15214% below
Medians across 168 otolaryngologists in Colorado with Dmand AI profiles that report each measure.
Dr. Maschka's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Maschka?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maschka and other otolaryngologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donald A. Maschka treated 386 Medicare patients in 2024, average age 75
CMS counts 386 Medicare patients who saw Dr. Maschka in 2024. The largest group is 65 to 74, with 208 patients. 65% of them have high cholesterol, and 51% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maschka's median patient age at 54, with 49% women.
Dr. Maschka's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Maschka's Medicare patients by sex, 2024
- Women19952%
- Men18748%
Chronic conditions among Dr. Maschka's Medicare patients, 2024
- High cholesterol65%
- High blood pressure51%
- Arthritis45%
- Ischemic heart disease28%
- Mood disorders23%
- Depression19%
- Osteoporosis19%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maschka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Donald A. Maschka wrote 198 Medicare Part D claims in 2024
In 2024, Dr. Maschka wrote 198 Medicare Part D claims for 101 patients. 97% of them were for generic drugs. CMS names the drug for 130 of them, across 5 drugs with 11 or more claims each, at $2,006 in total drug cost. In 2023, CMS named 126 claims across 4 drugs.
Dr. Maschka's Part D claims by kind of drug, 2024
- Generic192 claims97%
- Brand-name and other6 claims3%
Dr. Maschka's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Maschka's Part D claims, 2024
- Antibiotics17%34 of 198 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1262024: 1303%
Drugs named by CMS: 5 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Donald A. Maschka takes part in Medicare
Dr. Maschka accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Donald A. Maschka received $314 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Maschka from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Acclarent, Inc paid the most, $66.
General payments to Dr. Maschka by program year, 2016 to 2025
Companies that paid Dr. Maschka the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Donald A. Maschka graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Maschka graduated from University of Iowa, RJ & L Carver College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Donald A. Maschka's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Donald A. Maschka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Donald A. Maschka's NPI number?
Dr. Donald A. Maschka's NPI number is 1316933484. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Donald A. Maschka?
Dr. Donald A. Maschka is an otolaryngologist in Boulder, Colorado. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Donald A. Maschka practice?
Dr. Maschka practices at 4745 Arapahoe Ave, Boulder, CO 80303. Dr. Maschka's primary practice is Boulder Valley Ear Nose & Throat Associates in Boulder, Colorado. Dmand AI also links Dr. Maschka to 1 group practice or clinic.
What is Dr. Donald A. Maschka's office phone number?
The practice phone on file for Dr. Maschka is (303) 443-2771.
What is Dr. Donald A. Maschka's medical license number?
Dr. Maschka holds Iowa license 31558.
Which hospitals is Dr. Donald A. Maschka affiliated with?
Dr. Maschka is affiliated with Foothills Hospital.
What medical group is Dr. Donald A. Maschka part of?
Dr. Maschka is linked to Boulder Valley Ear, Nose & Throat Associates.
Does Dr. Donald A. Maschka accept Medicare?
Yes. CMS data shows Dr. Maschka billed Medicare for 2,313 services in 2024, and Dr. Maschka accepts Medicare assignment.
How many Medicare patients does Dr. Donald A. Maschka see?
CMS counts 386 Medicare patients who saw Dr. Maschka in 2024, with an average age of 75.
What services does Dr. Donald A. Maschka bill to Medicare?
In 2024, Dr. Maschka's most billed Medicare services were allergy test or treatment (95004), ear, nose and throat service (92557) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
Where did Dr. Donald A. Maschka go to medical school?
Dr. Maschka graduated from University of Iowa, RJ & L Carver College of Medicine in 1988.
What drugs does Dr. Donald A. Maschka prescribe most?
In 2024 Medicare Part D data, Dr. Maschka's most prescribed drugs by claims were Ipratropium Bromide, Mupirocin and Amoxicillin-Clavulanate Potass.
Has Dr. Donald A. Maschka received payments from drug or device companies?
CMS Open Payments shows $314 in general payments to Dr. Maschka from 11 companies from 2016 to 2025. The largest total came from Acclarent, Inc.
How long has Dr. Donald A. Maschka been practicing?
Dr. Maschka graduated from medical school in 1988, 38 years ago.
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