Daniel M. O'Roark, DO
Cardiovascular Disease Physician · Johnson City, TN
Daniel M. O'Roark, DO is a cardiovascular disease physician with a practice address in Johnson City, Tennessee, and NPI 1740216910, issued on Jun 22, 2006. Check the license (Tennessee 1720, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Daniel M. O'Roark
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 1720 TN
OS006046E PA
0102201788 VA
Self-reported in NPPES; status is on the state search - Practice location
- 701 N State OF Franklin RD, Johnson City, TN 37604
- Phone
- (423) 926-4468
- Enumerated
- Jun 22, 2006
- Record last updated
- Nov 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (423) 928-4838
- Medicaid IDs
- 64108509 KY
1740216910 VA
3319525 TN - Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 464 in Tennessee → Look up another NPI →
Also registered at 701 N State OF Franklin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Bentley, FNPFamily Nurse Practitioner1164678835
- Erasme Coly, M.D.Cardiovascular Disease Physician1083745335
- Julius Gasso, MDInterventional Cardiology Physician1942232038
- Denise Greenlee, NPNurse Practitioner1225621691
- Joshua Mosley, F.N.P.Family Nurse Practitioner1104293679
- Tiffany SchackFamily Nurse Practitioner1427667310
Verify Daniel M. O'Roark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 1720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
201 Medicare Part D claims for 42 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Eliquis27 claims
- Colchicine17 claims
- Flecainide Acetate14 claims
- Carvedilol12 claims
- Diltiazem 24hr Er (Cd)11 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.
Daniel M. O'Roark among 464 cardiovascular disease physician records in Tennessee
Daniel M. O'Roark, DO is one of 464 cardiovascular disease physician records with a practice address in Tennessee. 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 19% of them.
- NPI issued2006 · 19% of these records are older, 38% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Tennessee
There are 464 cardiovascular disease physician records in Tennessee.
All 464 in Tennessee → Every provider in Johnson City → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joseph Bailey, MDJohnson City, TN 376041083706113
- John Berry, MDJohnson City, TN 376041578524930
- Erasme Coly, M.D.Johnson City, TN 376041083745335
- Stephen Geraci, M.D.Johnson City, TN 376041629096904
- Scott Jay, M.D., PH.D.Johnson City, TN 376041568572402
- Manar JbaraJohnson City, TN 376041912325242
- Louis Jordan, MDJohnson City, TN 376041902915135
- Raymond Merrick, MDJohnson City, TN 376041588620108
Common questions
What is Daniel M. O'Roark, DO's NPI number?
Daniel M. O'Roark, DO's National Provider Identifier (NPI) is 1740216910, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel M. O'Roark, DO located?
The NPPES record lists a practice address at 701 N State OF Franklin RD, Johnson City, TN, 37604. Phone: (423) 926-4468. Providers update this record themselves, so call before visiting.
How can I verify Daniel M. O'Roark, DO's license?
NPPES lists Tennessee license number 1720, 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 Daniel M. O'Roark, DO prescribe under Medicare Part D?
In 2024, Daniel M. O'Roark, DO had 201 Medicare Part D claims for 42 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.