Physician Profile
Donald A. Maschka, M.D. practices otolaryngology (ent) in Boulder, CO. Donald is a 1988 graduate of University of Iowa, Rj & L Carver College of Medicine. According to Medicare claims data, Donald cared for 707 Medicare patients across 2,313 services. The services billed most often include test for allergy using allergenic extract, comprehensive hearing and speech recognition test, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4745 ARAPAHOE AVE SUITE 130
Boulder, CO 80303
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Balance
Ear and hearing
Head, neck, and salivary
Nose and sinus
Sleep and airway
Throat and voice
Cancer
Head & Neck
Throat & Voice
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
2,313 services · 707 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
96 | More often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
66 | More often than most peers in Otolaryngology (ENT) |
| Test for allergy using allergenic extract | Treatment | 95004 |
1,580 | More often than most peers in Otolaryngology (ENT) |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
116 | More often than most peers in Otolaryngology (ENT) |
| Test to assess middle ear function | Treatment | 92567 |
40 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
100 | More often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
98 | More than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
85 | As often as other peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
77 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
43 | As often as other peers in Otolaryngology (ENT) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Donald A. Maschka is an otolaryngology (ent) in Boulder, CO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Donald A. Maschka is listed at 4745 Arapahoe Ave Suite 130, Boulder, CO 80303. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (303) 443-2771. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Donald A. Maschka's National Provider Identifier is 1316933484. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Donald A. Maschka attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Donald A. Maschka has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Donald A. Maschka performs procedures including diagnostic exam of nasal passages using an endoscope and diagnostic exam of voice box using a flexible endoscope; provides treatments such as test for allergy using allergenic extract and comprehensive hearing and speech recognition test, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Donald A. Maschka. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.