Anastasia Bessas, D.O.
Internal Medicine Physician · Lancaster, OH
Anastasia Bessas, D.O. is an internal medicine physician with a practice address in Lancaster, Ohio, and NPI 1821403726, issued on Jun 30, 2014. Check the license (Ohio AP22820558A, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Anastasia Bessas
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- AP22820558A OH
Self-reported in NPPES; status is on the state search - Practice location
- 1550 Sheridan Dr, Lancaster, OH 43130
- Phone
- (740) 687-8397
- Enumerated
- Jun 30, 2014
- Record last updated
- Jul 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (740) 654-4103
- Medicare enrollment
- Enrolled (PECOS I20170310001581); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 1550 Sheridan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Troy Hampton, D.O.Family Medicine Physician1275536377
- Martin Harris, M.D.Pediatrics Physician1407820574
Verify Anastasia Bessas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license AP22820558ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
Bills Medicare through 2 group practices
- Central Ohio Hospitalists, IncColumbus, OH
- Medone Long-Term Acute Care LLCColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anastasia Bessas among 5,277 internal medicine physician records in Ohio
Anastasia Bessas, D.O. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2014 · median 2006 among the 3,414 with a school on file
- Record last updated2015 · 58% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Lancaster
They are 36 of the 1,601 NPPES records with a practice address in Lancaster, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Lancaster → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Johnny Abidin, MDLancaster, OH 431301902885403
- David Dunbar, M.D.Lancaster, OH 431301295712032
- Troy Edwards, D.O.Lancaster, OH 431301841274552
- Renuka Gonela, MDLancaster, OH 431301356435887
- Brian Hendrickson, D.O.Lancaster, OH 431301710961412
- Leon Hughes, MDLancaster, OH 431301083696207
- Mark Lepi, MDLancaster, OH 431301396716155
- Elaine Lewis, MDLancaster, OH 431301851383657
Common questions
What is Anastasia Bessas, D.O.'s NPI number?
Anastasia Bessas, D.O.'s National Provider Identifier (NPI) is 1821403726, issued on Jun 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Anastasia Bessas, D.O. located?
The NPPES record lists a practice address at 1550 Sheridan Dr, Lancaster, OH, 43130. Phone: (740) 687-8397. Providers update this record themselves, so call before visiting.
How can I verify Anastasia Bessas, D.O.'s license?
NPPES lists Ohio license number AP22820558A, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Anastasia Bessas, D.O. prescribe under Medicare Part D?
In 2024, Anastasia Bessas, D.O. had 17 Medicare Part D claims; 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.