Dr. Kathleen M. Villarreal, MD
- Medicare services, 2024
- 376
- Medicare patients, 2024
- 137
- Part D claims, 2024
- 6,130
- Hospital affiliations
- 3
- Industry payments
- $3,450
- Practice address
- 272 Hospital Road, Chillicothe, OH 45601
- Practice phone
- Call (740) 779-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Villarreal's 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. Kathleen M. Villarreal is an internist in Chillicothe, Ohio
Dr. Villarreal practices at Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System.
Dr. Villarreal's NPI, 1255334058, was assigned on May 24, 2005. Dr. Villarreal graduated from University of Toledo College of Medicine and Life Sciences in 1993. Dr. Villarreal's Ohio license number on file is 35.0772266.
- NPI
- 1255334058NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002821691
- NPI enumeration date
- May 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 779-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen M. Villarreal practices at Adena Regional Medical Center in Chillicothe, Ohio
Dr. Villarreal's primary practice is Adena Regional Medical Center, at 272 Hospital Road, Chillicothe, OH 45601 in Ross County. The practice phone is (740) 779-7500.
- Adena Regional Medical Center272 Hospital Road, Chillicothe, OH 45601 · Ross CountyPhone(740) 779-7500
Source: Dmand AI Affiliation Data
Dr. Kathleen M. Villarreal is affiliated with 5 sites of care and 1 medical group
Dr. Villarreal's primary practice is Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System. Dr. Villarreal is also affiliated with Adena Fayette Medical Center. The medical group on file is Adena Health System. Dmand AI also links Dr. Villarreal to 1 more hospital, 1 physician office and 1 group practice or clinic, 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. Kathleen M. Villarreal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Villarreal practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adena Regional Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adena Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kathleen M. Villarreal is one of 4,708 internists in Ohio
Internal medicine is Dr. Villarreal's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Villarreal is board certified in internal medicine by the American Board of Internal Medicine. Dr. Villarreal has a license on file in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, alzheimer's disease, bronchitis, chronic anemia, chronic diabetes, chronic hypertension and contact dermatitis among the conditions Dr. Villarreal treats.
Internists near Dr. Villarreal
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. Kathleen M. Villarreal billed Medicare for 376 services in 2024
CMS data shows 376 Medicare services from Dr. Villarreal across 3 procedure codes in 2024, for 137 Medicare patients. Medicare paid $14,169 for them. Every service was in an office.
Dr. Villarreal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3112024: 3131%
- Other services
- 2023: 602024: 635%
Dr. Villarreal compared with the Ohio median for internists, 2024
- Dr. Villarreal
- Ohio median
- Medicare services
- 376vs 48723% below
- Medicare patients
- 137vs 19229% below
- Part D claims
- 5,517vs 29418.8 times
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Villarreal's 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.
Need commercial claims for Dr. Villarreal?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Villarreal and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen M. Villarreal treated 137 Medicare patients in 2024, average age 73
CMS counts 137 Medicare patients who saw Dr. Villarreal in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Villarreal's median patient age at 63, with 65% women.
Dr. Villarreal's Medicare patients by age, 2024
Dr. Villarreal's Medicare patients by sex, 2024
- Women8965%
- Men4835%
Chronic conditions among Dr. Villarreal's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes34%
- Chronic kidney disease26%
- Ischemic heart disease24%
- Osteoporosis22%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Villarreal's 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
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen M. Villarreal wrote 6,130 Medicare Part D claims in 2024
In 2024, Dr. Villarreal wrote 6,130 Medicare Part D claims for 331 patients. 87% of them were for generic drugs. CMS names the drug for 5,517 of them, across 103 drugs with 11 or more claims each, at $473,197 in total drug cost. In 2023, CMS named 4,595 claims across 98 drugs.
Dr. Villarreal's Part D claims by kind of drug, 2024
- Generic5,336 claims87%
- Brand-name771 claims13%
- Other23 claims0%
Dr. Villarreal's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Villarreal's Part D claims, 2024
- Opioids2%107 of 6,130 claims
- Antibiotics2%137 of 6,130 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5952024: 5,51720%
Drugs named by CMS: 103 in 2024, 98 in 2023.
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
How Dr. Kathleen M. Villarreal takes part in Medicare
Dr. Villarreal accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Kathleen M. Villarreal received $3,450 in industry payments from 2016 to 2025
CMS Open Payments shows 206 general payments to Dr. Villarreal from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $700.
General payments to Dr. Villarreal by program year, 2016 to 2025
General payments to Dr. Villarreal by kind, 2016 to 2025
- Food and beverage$3,35597%
- Device or supply loans$501%
- Education$451%
Companies that paid Dr. Villarreal the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen M. Villarreal has 1 award and honors on record
Dmand AI lists 1 award for Dr. Villarreal, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Villarreal
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Kathleen M. Villarreal graduated from University of Toledo College of Medicine and Life Sciences
Dr. Villarreal graduated from University of Toledo College of Medicine and Life Sciences in 1993.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Kathleen M. Villarreal accepts plans from 19 insurance carriers
Dr. Villarreal is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- HCSC
- Molina
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +11 more carriersWith a free account
Plan types Dr. Villarreal accepts, by number of carriers
- PPO12
- Medicare11
- HMO10
- EPO5
- POS5
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Kathleen M. Villarreal'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Kathleen M. Villarreal
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. Kathleen M. Villarreal's NPI number?
Dr. Kathleen M. Villarreal's NPI number is 1255334058. It was assigned on May 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen M. Villarreal?
Dr. Kathleen M. Villarreal is an internist in Chillicothe, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kathleen M. Villarreal practice?
Dr. Villarreal practices at 272 Hospital Road, Chillicothe, OH 45601. Dr. Villarreal's primary practice is Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System. Dmand AI also links Dr. Villarreal to 1 hospital, 1 physician office and 1 group practice or clinic.
What is Dr. Kathleen M. Villarreal's office phone number?
The practice phone on file for Dr. Villarreal is (740) 779-7500.
What is Dr. Kathleen M. Villarreal's medical license number?
Dr. Villarreal's Ohio license number on file is 35.0772266.
Which hospitals is Dr. Kathleen M. Villarreal affiliated with?
Dr. Villarreal practices at Adena Regional Medical Center in Chillicothe, Ohio. Dr. Villarreal is also affiliated with Adena Fayette Medical Center. Dmand AI links Dr. Villarreal to 1 more hospital.
What medical group is Dr. Kathleen M. Villarreal part of?
Dr. Villarreal is linked to Adena Health System.
Does Dr. Kathleen M. Villarreal accept Medicare?
Yes. CMS data shows Dr. Villarreal billed Medicare for 376 services in 2024, and Dr. Villarreal accepts Medicare assignment.
How many Medicare patients does Dr. Kathleen M. Villarreal see?
CMS counts 137 Medicare patients who saw Dr. Villarreal in 2024, with an average age of 73.
Is Dr. Kathleen M. Villarreal board certified?
Yes. Dr. Villarreal is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Kathleen M. Villarreal bill to Medicare?
In 2024, Dr. Villarreal's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. Kathleen M. Villarreal go to medical school?
Dr. Villarreal graduated from University of Toledo College of Medicine and Life Sciences in 1993.
What drugs does Dr. Kathleen M. Villarreal prescribe most?
In 2024 Medicare Part D data, Dr. Villarreal's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Kathleen M. Villarreal received payments from drug or device companies?
CMS Open Payments shows $3,450 in general payments to Dr. Villarreal from 25 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Kathleen M. Villarreal been practicing?
Dr. Villarreal graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Kathleen M. Villarreal accept?
Dr. Villarreal is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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