Steven Barker, DO
Internal Medicine Physician · Orlando, FL
Steven Barker, DO is an internal medicine physician with a practice address in Orlando, Florida, and NPI 1730829342, issued on Mar 31, 2022. Check the license (Florida OS23806, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Steven Barker
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS23806 FL
Self-reported in NPPES; status is on the state search - Practice location
- 52 Underwood St, Orlando, FL 32806
- Phone
- (321) 841-3581
- Enumerated
- Mar 31, 2022
- Record last updated
- Jul 1, 2026
- Fax
- (321) 843-6426
- Medicaid ID
- 131100500 FL
- Medicare enrollment
- Enrolled (PECOS I20260508000569); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 52 Underwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zainab AhmadEmergency Medicine Physician1558124271
- Mikhail Ahmed, MDStudent in an Organized Health Care Education/Training Program1144062068
Verify Steven Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS23806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
441 Medicare Part D claims for 69 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium42 claims
- Eliquis28 claims
- Amlodipine Besylate24 claims
- Metoprolol Succinate23 claims
- Losartan Potassium16 claims
- Rosuvastatin Calcium15 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.
Industry payments in 2024: $182.70
2 payments; by number, the most common kind was food and beverage; the largest payer was Celgene Corporation. 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.
Steven Barker among 10,151 internal medicine physician records in Florida
Steven Barker, DO is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2022 · median 2004 among the 6,606 with a school on file
- Record last updated2026 · 48% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
534 internal medicine physician records list a practice address in Orlando
They are 534 of the 25,426 NPPES records with a practice address in Orlando, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Orlando → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kwabena Ayesu, MDOrlando, FL 328061225019284
- Azhar Chaudhry, MDOrlando, FL 328061669491726
- Keith Gray, MDOrlando, FL 328061033195177
- Milan Janmeja, MDOrlando, FL 328061649206020
- Scott Korman, MDOrlando, FL 328061467491357
- Mario Madruga, MDOrlando, FL 328061568432623
- Jahely Marrero, MDOrlando, FL 328061649262395
- Dennis McCommon, M.D.Orlando, FL 328061275519639
Common questions
What is Steven Barker, DO's NPI number?
Steven Barker, DO's National Provider Identifier (NPI) is 1730829342, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Steven Barker, DO located?
The NPPES record lists a practice address at 52 Underwood St, Orlando, FL, 32806. Phone: (321) 841-3581. Providers update this record themselves, so call before visiting.
How can I verify Steven Barker, DO's license?
NPPES lists Florida license number OS23806, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Barker, DO prescribe under Medicare Part D?
In 2024, Steven Barker, DO had 441 Medicare Part D claims for 69 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.