Kathleen M. Villarreal, M.D.
Internal Medicine Physician · Chillicothe, OH
Kathleen M. Villarreal, M.D. is an internal medicine physician with a practice address in Chillicothe, Ohio, and NPI 1255334058, issued on May 24, 2005. Check the license (Ohio 35.0772266, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Kathleen M. Villarreal
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.0772266 OH
Self-reported in NPPES; status is on the state search - Practice location
- 626 Central Ctr, Chillicothe, OH 45601
- Phone
- (740) 779-4060
- Enumerated
- May 24, 2005
- Record last updated
- Dec 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (740) 779-4069
- Medicaid ID
- 2024704 OH
- Medicare enrollment
- Enrolled (PECOS I20060220000075); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 626 Central Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Skocik, D.O.Family Medicine Physician1104829126
Verify Kathleen M. Villarreal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.0772266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average internal medicine physician in 2024
6,130 Medicare Part D claims for 331 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 107 claims were for opioids.
Most prescribed
- Atorvastatin Calcium403 claims
- Lisinopril328 claims
- Levothyroxine Sodium221 claims
- Amlodipine Besylate195 claims
- Omeprazole184 claims
- Losartan Potassium155 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: $1,103.31
65 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Bills Medicare through one group practice
- Adena Medical Group LLCChillicothe, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen M. Villarreal among 5,277 internal medicine physician records in Ohio
Kathleen M. Villarreal, 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 fileYes · 65% of these records are
- Graduated1993 · median 2006 among the 3,414 with a school on file
- Record last updated2020 · 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).
64 internal medicine physician records list a practice address in Chillicothe
They are 64 of the 2,938 NPPES records with a practice address in Chillicothe, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Chillicothe → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bhuvaneswari Chinnappan, M.D.Chillicothe, OH 456011154428480
- Lloyd Coats, D.O.Chillicothe, OH 456011477558906
- Douglas Folzenlogen, M.D.Chillicothe, OH 456011801891338
- Paul Jackson, MDChillicothe, OH 456011568409852
- Gopinath Nair, M.D.Chillicothe, OH 456011487765707
- Zoran Naumovski, MDChillicothe, OH 456011326041138
- Thomas OommenChillicothe, OH 456011346324993
- Indravadan Parikh, M.D., F.A.C.P.Chillicothe, OH 456011659471159
Common questions
What is Kathleen M. Villarreal, M.D.'s NPI number?
Kathleen M. Villarreal, M.D.'s National Provider Identifier (NPI) is 1255334058, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen M. Villarreal, M.D. located?
The NPPES record lists a practice address at 626 Central Ctr, Chillicothe, OH, 45601. Phone: (740) 779-4060. Providers update this record themselves, so call before visiting.
How can I verify Kathleen M. Villarreal, M.D.'s license?
NPPES lists Ohio license number 35.0772266, 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 Kathleen M. Villarreal, M.D. prescribe under Medicare Part D?
In 2024, Kathleen M. Villarreal, M.D. had 6,130 Medicare Part D claims for 331 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.