Joseph Prohaska, D.O.
MOHS-Micrographic Surgery Physician · Morristown, TN
Joseph Prohaska, D.O. is a mohs-micrographic surgery physician with a practice address in Morristown, Tennessee, and NPI 1790158012, issued on Nov 9, 2015. Check the license (Tennessee MD3678, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joseph Prohaska
- Credential
- D.O.
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License numbers
- MD3678 TN
2016-01634 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1907 W Morris Blvd Ste G, Morristown, TN 37813
- Phone
- (423) 318-0014
- Enumerated
- Nov 9, 2015
- Record last updated
- Dec 10, 2025
- Fax
- (423) 318-2595
- Medicare enrollment
- Enrolled (PECOS I20190903002365); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 44 in Tennessee → Look up another NPI →
Also registered at 1907 W Morris Blvd Ste G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Mullins, PA-CPhysician Assistant1689445603
- Kasey Smith, FNP-BCFamily Nurse Practitioner1194440867
Verify Joseph Prohaska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD3678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average mohs-micrographic surgery physician in 2024
1,398 Medicare Part D claims for 608 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Mupirocin689 claims
- Cephalexin175 claims
- Ketoconazole104 claims
- Doxycycline Hyclate80 claims
- Triamcinolone Acetonide63 claims
- Clobetasol Propionate61 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.
Industry payments in 2024: $2,286.43
91 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 1,074 providers of this specialty with any payment received $4,075.23 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
- Healthstar Physicians PCMorristown, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Prohaska among 44 mohs-micrographic surgery physician records in Tennessee
Joseph Prohaska, D.O. is one of 44 mohs-micrographic surgery physician records with a practice address in Tennessee. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 9% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 93% of these records are
- Graduated2015 · median 2005 among the 41 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in Tennessee
There are 44 mohs-micrographic surgery physician records in Tennessee.
All 44 in Tennessee → Every provider in Morristown → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Katherine Kerchner, MDOak Ridge, TN 378301700068384
- Robert Unkefer, MDVonore, TN 378851861579989
- Drew Miller, M.D.Knoxville, TN 379201033398532
- Robert Gathings, M.D.Knoxville, TN 379221548671928
- Matthew Hanggi, MDKnoxville, TN 379221043278336
- Chadwick Thomas, M.D.Kingsport, TN 376601457395840
- Cory Trickett, DOBristol, TN 376201922158500
- Thomas Chu, M.D.Cordova, TN 380181851369391
Common questions
What is Joseph Prohaska, D.O.'s NPI number?
Joseph Prohaska, D.O.'s National Provider Identifier (NPI) is 1790158012, issued on Nov 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Prohaska, D.O. located?
The NPPES record lists a practice address at 1907 W Morris Blvd Ste G, Morristown, TN, 37813. Phone: (423) 318-0014. Providers update this record themselves, so call before visiting.
How can I verify Joseph Prohaska, D.O.'s license?
NPPES lists Tennessee license number MD3678, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Prohaska, D.O. prescribe under Medicare Part D?
In 2024, Joseph Prohaska, D.O. had 1,398 Medicare Part D claims for 608 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.
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.