Nathan David Cass, MD
Otology & Neurotology Physician · Lexington, KY
Nathan David Cass, MD is an otology & neurotology physician with a practice address in Lexington, Kentucky, and NPI 1518385566, issued on Apr 6, 2014. Check the license (Kentucky 56685, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Nathan David Cass
- Credential
- MD
- Primary taxonomy
- Otology & Neurotology Physician 207YX0901X
- License numbers
- 56685 KY
4301119066 MI
Self-reported in NPPES; status is on the state search - Practice location
- 740 S Limestone St, Lexington, KY 40536
- Phone
- (859) 257-5405
- Enumerated
- Apr 6, 2014
- Record last updated
- Jun 20, 2022
- Fax
- (859) 323-5483
- Medicare enrollment
- Enrolled (PECOS I20220628003284); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2014
- Entity
- Type 1 · individual
2 nearest otology & neurotology physician records → All 3 in Kentucky → Look up another NPI →
Also registered at 740 S Limestone St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Adkisson, PA-CSurgical Physician Assistant1659305746
- Ban Alattar, RPHPharmacist1659823805
- Ralph Amato, M.D.Clinical Genetics (M.D.) Physician1972537405
- Suzanna Attia, MDPediatric Gastroenterology Physician1528388915
- Judit Baffi, M.D., PH.D.Ophthalmology Physician1366766404
- Leslee Bertram, APRNPediatric Nurse Practitioner1346522737
Verify Nathan David Cass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 56685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average otology & neurotology physician in 2024
194 Medicare Part D claims for 101 beneficiaries, against an average of 409 among the 340 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Ciprofloxacin-Dexamethasone38 claims
- Ofloxacin33 claims
- Mometasone Furoate28 claims
- Fluocinolone Acetonide15 claims
- Fluticasone Propionate13 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,332.58
9 payments; by number, the most common kind was food and beverage; the largest payer was Cochlear Americas. The 283 providers of this specialty with any payment received $2,757.03 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
- Kentucky Medical Services Foundation, IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Otology & Neurotology Physician providers in Kentucky
There are 3 otology & neurotology physician records in Kentucky.
All 3 in Kentucky → Every provider in Lexington → Otology & Neurotology Physician nationwide →
The 2 otology & neurotology physician records with the nearest ZIP codes
- Matthew Bush, M.D.Lexington, KY 405361376706762
- Beth McNulty, MDLexington, KY 405361316188345
Common questions
What is Nathan David Cass, MD's NPI number?
Nathan David Cass, MD's National Provider Identifier (NPI) is 1518385566, issued on Apr 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nathan David Cass, MD located?
The NPPES record lists a practice address at 740 S Limestone St, Lexington, KY, 40536. Phone: (859) 257-5405. Providers update this record themselves, so call before visiting.
How can I verify Nathan David Cass, MD's license?
NPPES lists Kentucky license number 56685, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan David Cass, MD prescribe under Medicare Part D?
In 2024, Nathan David Cass, MD had 194 Medicare Part D claims for 101 beneficiaries; the average among otology & neurotology physician prescribers was 409. Part D covers Medicare prescriptions only.
What is Nathan David Cass, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.