Ann R. Koval, M.D.
Internal Medicine Physician · Westerville, OH
Ann R. Koval, M.D. is an internal medicine physician with a practice address in Westerville, Ohio, and NPI 1427035633, issued on Dec 29, 2005. Check the license (Ohio 35-05-9244, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Ann R. Koval
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35-05-9244 OH
Self-reported in NPPES; status is on the state search - Practice location
- 625 Africa RD Ste 340, Westerville, OH 43082
- Phone
- (614) 901-2273
- Enumerated
- Dec 29, 2005
- Record last updated
- Aug 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (614) 901-3140
- Medicaid ID
- 0799051 OH
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 625 Africa RD Ste 340
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ann R. Koval in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-05-9244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average internal medicine physician in 2024
3,907 Medicare Part D claims for 283 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Levothyroxine Sodium275 claims
- Rosuvastatin Calcium270 claims
- Atorvastatin Calcium231 claims
- Simvastatin170 claims
- Omeprazole144 claims
- Losartan Potassium128 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: $18.30
1 payment: food and beverage; the largest payer was Abbott Laboratories. 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.
Ann R. Koval among 5,277 internal medicine physician records in Ohio
Ann R. Koval, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2018 · 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).
59 internal medicine physician records list a practice address in Westerville
They are 59 of the 3,300 NPPES records with a practice address in Westerville, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Westerville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Dorado, M.D.Westerville, OH 430821033194949
- Scott Johnson, M.D.Westerville, OH 430821023092582
- Bradley Lisko, M.D.Westerville, OH 430821700889003
- Michael Ports, M.D.Westerville, OH 430821588648497
- Scott Prenger, MDWesterville, OH 430821639133234
- Natalia Pushkin, M.D.Westerville, OH 430821861488876
- Vasanthy Rajah, M.D.Westerville, OH 430821609853811
- Anindya Sen, M.D.Westerville, OH 430821164471207
Common questions
What is Ann R. Koval, M.D.'s NPI number?
Ann R. Koval, M.D.'s National Provider Identifier (NPI) is 1427035633, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ann R. Koval, M.D. located?
The NPPES record lists a practice address at 625 Africa RD Ste 340, Westerville, OH, 43082. Phone: (614) 901-2273. Providers update this record themselves, so call before visiting.
How can I verify Ann R. Koval, M.D.'s license?
NPPES lists Ohio license number 35-05-9244, 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 Ann R. Koval, M.D. prescribe under Medicare Part D?
In 2024, Ann R. Koval, M.D. had 3,907 Medicare Part D claims for 283 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.