Steven Louis Fillmore, M.D.
Internal Medicine Physician · Ada, OK
Steven Louis Fillmore, M.D. is an internal medicine physician with a practice address in Ada, Oklahoma, and NPI 1225010655, issued on Nov 21, 2005. Check the license (Oklahoma 14295, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Steven Louis Fillmore
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14295 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1921 Stonecipher Blvd, Ada, OK 74820
- Phone
- (580) 421-4570
- Enumerated
- Nov 21, 2005
- Record last updated
- Sep 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 100259020A OK
- Medicare enrollment
- Enrolled (PECOS I20120615000567); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 1921 Stonecipher Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aerial Avery, D.P.MPodiatrist1194915538
- Alicia BakerMental Health Counselor1962924126
- Ramona Baker, APRNAcute Care Nurse Practitioner1659034221
- Lucretia Barker, M.D.Obstetrics & Gynecology Physician1003817172
Verify Steven Louis Fillmore 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 14295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
78 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Carvedilol11 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.
2 hospitals and group practices
- Chickasaw Nation Division OF HealthAda, OK
- Lawton Indian HospitalLawton, OK · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Steven Louis Fillmore among 1,115 internal medicine physician records in Oklahoma
Steven Louis Fillmore, M.D. is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1982 · median 2007 among the 653 with a school on file
- Record last updated2016 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Ada
They are 25 of the 1,141 NPPES records with a practice address in Ada, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Ada → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Semira Charboneau, D.O.Ada, OK 748201619975745
- Bruce Dennis, MDAda, OK 748201760450555
- Phyllis Hannah, M.D.Ada, OK 748201740259407
- Preston Hucks, MDAda, OK 748201205858230
- Rodney Huddleston, MDAda, OK 748201992705024
- Antonio Lee, MDAda, OK 748201790754174
- Jerry Morgan, M D L L CAda, OK 748201316945363
- Gary Paddack, MDAda, OK 748201053389833
Common questions
What is Steven Louis Fillmore, M.D.'s NPI number?
Steven Louis Fillmore, M.D.'s National Provider Identifier (NPI) is 1225010655, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Louis Fillmore, M.D. located?
The NPPES record lists a practice address at 1921 Stonecipher Blvd, Ada, OK, 74820. Phone: (580) 421-4570. Providers update this record themselves, so call before visiting.
How can I verify Steven Louis Fillmore, M.D.'s license?
NPPES lists Oklahoma license number 14295, 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 Steven Louis Fillmore, M.D. prescribe under Medicare Part D?
In 2024, Steven Louis Fillmore, M.D. had 78 Medicare Part D claims for 17 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.