Steven Blake O'Brien, MD
Internal Medicine Physician · Oklahoma City, OK
Steven Blake O'Brien, MD is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1841853751, issued on Apr 16, 2019. Check the license (Oklahoma 39315, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Steven Blake O'Brien
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39315 OK
Self-reported in NPPES; status is on the state search - Practice location
- 3400 NW Expressway Ste 500, Oklahoma City, OK 73112
- Phone
- (405) 945-4589
- Enumerated
- Apr 16, 2019
- Record last updated
- Jan 12, 2023
- Fax
- (405) 945-4381
- Medicare enrollment
- Enrolled (PECOS I20220921001310); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 3400 NW Expressway Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven Blake O'Brien 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 39315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,008 Medicare Part D claims for 306 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 31 claims were for opioids.
Most prescribed
- Atorvastatin Calcium140 claims
- Levothyroxine Sodium106 claims
- Omeprazole91 claims
- Amlodipine Besylate85 claims
- Albuterol Sulfate Hfa81 claims
- Furosemide73 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): 77.7 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).
Industry payments in 2024: $450.32
25 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Absolute Best Care Oklahoma LLCEdmond, OK
- Integris Ambulatory Care CorporationOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Blake O'Brien among 1,115 internal medicine physician records in Oklahoma
Steven Blake O'Brien, MD 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 2019, is newer than 75% of them.
- NPI issued2019 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2007 among the 653 with a school on file
- Record last updated2023 · 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).
418 internal medicine physician records list a practice address in Oklahoma City
They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Oklahoma City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jack Butler, DOOklahoma City, OK 731121316925449
- Shabbir Chaudhry Inc, M.D.Oklahoma City, OK 731121487613865
- Darlene Foster, MDOklahoma City, OK 731121194717132
- Erin Glasgow, MDOklahoma City, OK 731121780621136
- Allen Hamaker, MDOkc, OK 731121326028663
- Kristopher Lepere, D.O.Oklahoma City, OK 731121568461317
- Long Nguyen, M.D.Oklahoma City, OK 731121811956006
- Neena Philip, MDOklahoma City, OK 731121346244365
Common questions
What is Steven Blake O'Brien, MD's NPI number?
Steven Blake O'Brien, MD's National Provider Identifier (NPI) is 1841853751, issued on Apr 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Steven Blake O'Brien, MD located?
The NPPES record lists a practice address at 3400 NW Expressway Ste 500, Oklahoma City, OK, 73112. Phone: (405) 945-4589. Providers update this record themselves, so call before visiting.
How can I verify Steven Blake O'Brien, MD's license?
NPPES lists Oklahoma license number 39315, 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 Blake O'Brien, MD prescribe under Medicare Part D?
In 2024, Steven Blake O'Brien, MD had 3,008 Medicare Part D claims for 306 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Steven Blake O'Brien, MD's MIPS final score?
The 2023 MIPS final score is 77.7 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.