Stephen Sinclair Outten, D.O.
Emergency Medicine Physician · Greenville, KY
Stephen Sinclair Outten, D.O. is an emergency medicine physician with a practice address in Greenville, Kentucky, and NPI 1710957832, issued on Jan 23, 2006. Check the license (Kentucky C2999, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Stephen Sinclair Outten
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- C2999 KY
N7855 TX
68928 GA
000653 SC
2070 TN
Self-reported in NPPES; status is on the state search - Practice location
- 440 Hopkinsville St, Greenville, KY 42345
- Phone
- (270) 338-8000
- Enumerated
- Jan 23, 2006
- Record last updated
- Feb 3, 2025
- Fax
- (270) 338-8333
- Medicaid ID
- T00629 SC
- Medicare enrollment
- Enrolled (PECOS I20100224000476); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 903 in Kentucky → Look up another NPI →
Also registered at 440 Hopkinsville St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Arbuckle, MSN-CRNACertified Registered Nurse Anesthetist1477793057
- Landon AtcherCertified Registered Nurse Anesthetist1659760403
- Drew BarricklowEmergency Registered Nurse1861369548
- Raymond Carroll, MA, ATCAthletic Trainer1720015530
- Minerva Covarrubias, MDPulmonary Disease Physician1306993290
- Kari Dechenne, M.D.Family Medicine Physician1306045331
Verify Stephen Sinclair Outten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license C2999Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average emergency medicine physician in 2024
273 Medicare Part D claims for 185 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 52 claims were for opioids.
Most prescribed
- Nitrofurantoin Mono-Macro32 claims
- Hydrocodone-Acetaminophen27 claims
- Prednisone22 claims
- Ibuprofen18 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).
Bills Medicare through 2 group practices
- Emergency Coverage LLCPulaski, TN
- Owensboro Health Medical Group IncGreenville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Sinclair Outten among 903 emergency medicine physician records in Kentucky
Stephen Sinclair Outten, D.O. is one of 903 emergency medicine physician records with a practice address in Kentucky. 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 7% of them.
- NPI issued2006 · 7% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2011 among the 557 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 emergency medicine physician records list a practice address in Greenville
They are 3 of the 139 NPPES records with a practice address in Greenville, and 903 emergency medicine physician records in Kentucky.
All 903 in Kentucky → Every provider in Greenville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Katharine Cox, MDGreenville, KY 423451205883949
- Luke Gaskin, MDGreenville, KY 423451851031728
- Willard Keith, MDPowderly, KY 423671669534194
- Donald Gregory, MDBeaver Dam, KY 423201376583690
- Don BertolottiOwensboro, KY 423031275950560
- James Coomes, M.D.Owensboro, KY 423031801802327
- Benjamin Cunningham, M.D.Owensboro, KY 423031306102769
- Brett Dickens, MDOwensboro, KY 423031871026492
Common questions
What is Stephen Sinclair Outten, D.O.'s NPI number?
Stephen Sinclair Outten, D.O.'s National Provider Identifier (NPI) is 1710957832, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Sinclair Outten, D.O. located?
The NPPES record lists a practice address at 440 Hopkinsville St, Greenville, KY, 42345. Phone: (270) 338-8000. Providers update this record themselves, so call before visiting.
How can I verify Stephen Sinclair Outten, D.O.'s license?
NPPES lists Kentucky license number C2999, 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 Stephen Sinclair Outten, D.O. prescribe under Medicare Part D?
In 2024, Stephen Sinclair Outten, D.O. had 273 Medicare Part D claims for 185 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Stephen Sinclair Outten, D.O.'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.