Stephen Koji Sparks, D.O
Emergency Medicine Physician · Oklahoma City, OK
Stephen Koji Sparks, D.O is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1821274234, issued on Jan 15, 2008. Check the license (Oklahoma 4559, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Stephen Koji Sparks
- Credential
- D.O
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 4559 OK
Self-reported in NPPES; status is on the state search - Practice location
- 34 SW 89TH St, Oklahoma City, OK 73139
- Phone
- (405) 488-0750
- Enumerated
- Jan 15, 2008
- Record last updated
- Oct 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (405) 488-0761
- Medicaid ID
- 200194380A OK
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 34 SW 89TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Barnhart, DOEmergency Medicine Physician1720152549
- Brent Davis, PA-CPhysician Assistant1568731628
- Chelsey Gilbertson, D.O.Emergency Medicine Physician1205066008
- Taylor Winzeler, PA-CMedical Physician Assistant1821338435
Verify Stephen Koji Sparks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 4559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average emergency medicine physician in 2024
81 Medicare Part D claims for 46 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Stephen Koji Sparks among 748 emergency medicine physician records in Oklahoma
Stephen Koji Sparks, D.O is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 36% of them.
- NPI issued2008 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 53% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Oklahoma
There are 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Oklahoma City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Steven Barnes, MDOklahoma City, OK 731391487635009
- Stephanie Barnhart, DOOklahoma City, OK 731391720152549
- Chelsey Gilbertson, D.O.Oklahoma City, OK 731391205066008
- Daniel Kite, D.O.Oklahoma City, OK 731391558588681
- Brett Propes, MDOklahoma City, OK 731391063546687
- Kendall Little, MDOklahoma City, OK 731421891772307
- Tyson Quy, M.D.Oklahoma City, OK 731341447453071
- David O'Hara, M.D.Tinker Afb, OK 731451114981305
Common questions
What is Stephen Koji Sparks, D.O's NPI number?
Stephen Koji Sparks, D.O's National Provider Identifier (NPI) is 1821274234, issued on Jan 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Koji Sparks, D.O located?
The NPPES record lists a practice address at 34 SW 89TH St, Oklahoma City, OK, 73139. Phone: (405) 488-0750. Providers update this record themselves, so call before visiting.
How can I verify Stephen Koji Sparks, D.O's license?
NPPES lists Oklahoma license number 4559, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Koji Sparks, D.O prescribe under Medicare Part D?
In 2024, Stephen Koji Sparks, D.O had 81 Medicare Part D claims for 46 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.