Oleg Merges, MD
Internal Medicine Physician · Davenport, FL
Oleg Merges, MD is an internal medicine physician with a practice address in Davenport, Florida, and NPI 1174031686, issued on Jan 18, 2018. Check the license (Florida ACN1214, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Oleg Merges
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ACN1214 FL
ME172442 FL
19833 PR
Self-reported in NPPES; status is on the state search - Practice location
- 2434 Sand Mine RD, Davenport, FL 33897
- Phone
- (407) 558-8532
- Enumerated
- Jan 18, 2018
- Record last updated
- Sep 15, 2025
- Fax
- (863) 866-2123
- Medicare enrollment
- Enrolled (PECOS I20200203001466); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Verify Oleg Merges in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ACN1214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,328 Medicare Part D claims for 192 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 119 claims were for opioids.
Most prescribed
- Atorvastatin Calcium277 claims
- Amlodipine Besylate185 claims
- Lisinopril145 claims
- Vitamin D2136 claims
- Metformin Hcl121 claims
- Levothyroxine Sodium119 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.
Bills Medicare through one group practice
- Health First Privia Medical GroupIndialantic, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oleg Merges among 10,151 internal medicine physician records in Florida
Oleg Merges, MD 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1996 · median 2004 among the 6,606 with a school on file
- Record last updated2025 · 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).
17 internal medicine physician records list a practice address in Davenport
They are 17 of the 815 NPPES records with a practice address in Davenport, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Davenport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aftab Khan, M.D.Davenport, FL 338971699851584
- Srinath Kosanam, M.DDavenport, FL 338971154313476
- Nauman Zaffar, M.DDavenport, FL 338961346362357
- Ray Blair, M.D.Fort Myers, FL 339011467519421
- Sherri ClaytonFort Myers, FL 339011619942406
- Allen Jacobs, MDFort Myers, FL 339011467410464
- Anton Kolobov, MDFort Myers, FL 339011316198328
- Andres Laufer, M.D.Fort Myers, FL 339011316061641
Common questions
What is Oleg Merges, MD's NPI number?
Oleg Merges, MD's National Provider Identifier (NPI) is 1174031686, issued on Jan 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Oleg Merges, MD located?
The NPPES record lists a practice address at 2434 Sand Mine RD, Davenport, FL, 33897. Phone: (407) 558-8532. Providers update this record themselves, so call before visiting.
How can I verify Oleg Merges, MD's license?
NPPES lists Florida license number ACN1214, 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 Oleg Merges, MD prescribe under Medicare Part D?
In 2024, Oleg Merges, MD had 4,328 Medicare Part D claims for 192 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.