Dr. Anastasia L. Bessas, DO
- Medicare services, 2024
- 642
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 17
- Hospital affiliations
- 4
- Industry payments
- $42
- Practice address
- 3535 Olentangy River Rd, Columbus, OH 43214
- Practice phone
- Call (614) 566-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bessas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Anastasia L. Bessas is an internist in Columbus, Ohio
Dr. Bessas practices at OhioHealth Riverside Methodist Hospital in Columbus, Ohio, part of OhioHealth.
Dr. Bessas' NPI, 1821403726, was assigned on June 30, 2014. Dr. Bessas graduated from Ohio University, College of Osteopathic Medicine in 2014. Dr. Bessas holds Ohio license AP22820558A.
- NPI
- 1821403726NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466771399
- NPI enumeration date
- June 30, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (614) 566-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anastasia L. Bessas practices at OhioHealth Riverside Methodist Hospital in Columbus, Ohio
Dr. Bessas' primary practice is OhioHealth Riverside Methodist Hospital, at 3535 Olentangy River Rd, Columbus, OH 43214 in Franklin County. The practice phone is (614) 566-5000.
- OhioHealth Riverside Methodist Hospital3535 Olentangy River Rd, Columbus, OH 43214 · Franklin CountyPhone(614) 566-5000
Source: Dmand AI Affiliation Data
Dr. Anastasia L. Bessas is affiliated with 5 sites of care and 4 medical groups
Dr. Bessas' primary practice is OhioHealth Riverside Methodist Hospital in Columbus, Ohio, part of OhioHealth. Dr. Bessas is also affiliated with Ohio State University Hospital. The medical group on file is Sound Physicians. Dmand AI also links Dr. Bessas to 2 more hospitals, 3 medical groups and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anastasia L. Bessas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bessas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OhioHealth Riverside Methodist Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anastasia L. Bessas is one of 4,708 internists in Ohio
Internal medicine is Dr. Bessas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bessas is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Bessas
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Anastasia L. Bessas billed Medicare for 642 services in 2024
CMS data shows 642 Medicare services from Dr. Bessas across 4 procedure codes in 2024, for 163 Medicare patients. Medicare paid $62,829 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bessas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7162024: 64210%
Dr. Bessas compared with the Ohio median for internists, 2024
- Dr. Bessas
- Ohio median
- Medicare services
- 642vs 48732% above
- Medicare patients
- 163vs 19215% below
- Part D claims
- 46vs 29484% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Bessas' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anastasia L. Bessas treated 163 Medicare patients in 2024, average age 72
CMS counts 163 Medicare patients who saw Dr. Bessas in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 3.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bessas' median patient age at 63, with 45% women.
Dr. Bessas' Medicare patients by age, 2024
Dr. Bessas' Medicare patients by sex, 2024
- Women8351%
- Men8049%
Chronic conditions among Dr. Bessas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Mood disorders58%
- Heart failure56%
- Diabetes53%
- Depression52%
- Anxiety51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bessas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anastasia L. Bessas wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Bessas wrote 17 Medicare Part D claims. 71% of them were for generic drugs. They cover 3 drugs, with $9,982 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Dr. Bessas' Part D claims by kind of drug, 2024
- Generic12 claims71%
- Brand-name and other5 claims29%
Dr. Bessas' most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 112020: 46318%
Drugs named by CMS: 3 in 2020, 1 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Anastasia L. Bessas offers telehealth to Medicare patients
Dr. Bessas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bessas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Anastasia L. Bessas received $42 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. Bessas from 3 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $17.
Companies that paid Dr. Bessas the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Anastasia L. Bessas graduated from Ohio University, College of Osteopathic Medicine
Dr. Bessas graduated from Ohio University, College of Osteopathic Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anastasia L. Bessas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Anastasia L. Bessas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Anastasia L. Bessas' NPI number?
Dr. Anastasia L. Bessas' NPI number is 1821403726. It was assigned on June 30, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Anastasia L. Bessas?
Dr. Anastasia L. Bessas is an internist in Columbus, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Anastasia L. Bessas practice?
Dr. Bessas practices at 3535 Olentangy River Rd, Columbus, OH 43214. Dr. Bessas' primary practice is OhioHealth Riverside Methodist Hospital in Columbus, Ohio, part of OhioHealth. Dmand AI also links Dr. Bessas to 2 hospitals, 3 medical groups and 1 hospital outpatient department.
What is Dr. Anastasia L. Bessas' office phone number?
The practice phone on file for Dr. Bessas is (614) 566-5000.
What is Dr. Anastasia L. Bessas' medical license number?
Dr. Bessas holds Ohio license AP22820558A.
Which hospitals is Dr. Anastasia L. Bessas affiliated with?
Dr. Bessas practices at OhioHealth Riverside Methodist Hospital in Columbus, Ohio. Dr. Bessas is also affiliated with Ohio State University Hospital. Dmand AI links Dr. Bessas to 2 more hospitals.
What medical group is Dr. Anastasia L. Bessas part of?
Dr. Bessas is linked to Sound Physicians. Dmand AI links Dr. Bessas to 3 more medical groups.
Does Dr. Anastasia L. Bessas accept Medicare?
Yes. CMS data shows Dr. Bessas billed Medicare for 642 services in 2024, and Dr. Bessas accepts Medicare assignment.
Does Dr. Anastasia L. Bessas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bessas as offering telehealth services.
How many Medicare patients does Dr. Anastasia L. Bessas see?
CMS counts 163 Medicare patients who saw Dr. Bessas in 2024, with an average age of 72.
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What services does Dr. Anastasia L. Bessas bill to Medicare?
In 2024, Dr. Bessas' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and critical care (99291).
Where did Dr. Anastasia L. Bessas go to medical school?
Dr. Bessas graduated from Ohio University, College of Osteopathic Medicine in 2014.
What drugs does Dr. Anastasia L. Bessas prescribe most?
In 2020 Medicare Part D data, Dr. Bessas' most prescribed drugs by claims were Vancomycin HCl, Ceftriaxone and Glucagon Emergency Kit.
Has Dr. Anastasia L. Bessas received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Dr. Bessas from 3 companies from 2016 to 2016. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Anastasia L. Bessas been practicing?
Dr. Bessas graduated from medical school in 2014, 12 years ago.
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