Stephen Cass, MD
Otolaryngology Physician · Aurora, CO
Stephen Cass, MD is an otolaryngology physician with a practice address in Aurora, Colorado, and NPI 1568555910, issued on Sep 30, 2006. Check the license (Colorado 37951, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen Cass
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 37951 CO
Self-reported in NPPES; status is on the state search - Practice location
- 12605 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 848-0000
- Enumerated
- Sep 30, 2006
- Record last updated
- Oct 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 03478262 CO
- Medicare enrollment
- Enrolled (PECOS I20040817000438); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 188 in Colorado → Look up another NPI →
Also registered at 12605 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Aakre, MDAnesthesiology Physician1407140395
- Alec Aaronson, DOPsychiatry Physician1972065233
- Mona Abaza, MDOtolaryngology Physician1043313844
- Meagan AbbagnaroAnesthesiologist Assistant1851254262
- Jean Abbott, MDEmergency Medicine Physician1578672820
- Adam Abraham, MDInternal Medicine Physician1720178304
Verify Stephen Cass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 37951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average otolaryngology physician in 2024
82 Medicare Part D claims for 44 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ofloxacin28 claims
- Triamterene-Hydrochlorothiazid12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,929.81
11 payments; by number, the most common kind was food and beverage; the largest payer was Oticon Medical, LLC. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Cass among 188 otolaryngology physician records in Colorado
Stephen Cass, MD is one of 188 otolaryngology physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1983 · median 2007 among the 136 with a school on file
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Colorado
There are 188 otolaryngology physician records in Colorado.
All 188 in Colorado → Every provider in Aurora → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Mona Abaza, MDAurora, CO 800451043313844
- Matthew Clary, MDAurora, CO 800451033374053
- Daniel Fink, MDAurora, CO 800451952563561
- Anne Getz, M.D.Aurora, CO 800451124184148
- Bruce Jafek, MDAurora, CO 800451932292380
- Herman Jenkins, MDAurora, CO 800451194818542
- Todd Kingdom, MDAurora, CO 800451376636720
- Scott Mann, MDAurora, CO 800451871737742
Common questions
What is Stephen Cass, MD's NPI number?
Stephen Cass, MD's National Provider Identifier (NPI) is 1568555910, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Cass, MD located?
The NPPES record lists a practice address at 12605 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Stephen Cass, MD's license?
NPPES lists Colorado license number 37951, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Cass, MD prescribe under Medicare Part D?
In 2024, Stephen Cass, MD had 82 Medicare Part D claims for 44 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Stephen Cass, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.