Patricia Karina Arizaca-Dileo, M.D.
Internal Medicine Physician · Ann Arbor, MI
Patricia Karina Arizaca-Dileo, M.D. is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1306004759, issued on May 31, 2008. Check the license (Michigan 4301505788, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Patricia Karina Arizaca-Dileo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301505788 MI
Self-reported in NPPES; status is on the state search - Practice location
- 375 Briarwood Cir, Ann Arbor, MI 48108
- Phone
- (734) 998-2020
- Enumerated
- May 31, 2008
- Record last updated
- Jul 8, 2022
- Medicaid ID
- 206245701 TX
- Medicare enrollment
- Enrolled (PECOS I20220607003220); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 375 Briarwood Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Drake, MDInternal Medicine Physician1881783751
- Kayla GallantStudent in an Organized Health Care Education/Training Program1699602979
- Yousif GariaqozaStudent in an Organized Health Care Education/Training Program1891535845
- Charisse Gencyuz, MDInternal Medicine Physician1174612303
Verify Patricia Karina Arizaca-Dileo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301505788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,382 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Rosuvastatin Calcium87 claims
- Ozempic52 claims
- Amlodipine Besylate50 claims
- Losartan Potassium50 claims
- Atorvastatin Calcium37 claims
- Duloxetine Hcl37 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: $55.28
2 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
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patricia Karina Arizaca-Dileo among 5,735 internal medicine physician records in Michigan
Patricia Karina Arizaca-Dileo, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 48% of them.
- NPI issued2008 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2006 among the 3,564 with a school on file
- Record last updated2022 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
479 internal medicine physician records list a practice address in Ann Arbor
They are 479 of the 15,616 NPPES records with a practice address in Ann Arbor, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Ann Arbor → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Brophy, MDAnn Arbor, MI 481081508881954
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- Eleni Dimaraki, MDAnn Arbor, MI 481081659307320
- Elizabeth Drake, MDAnn Arbor, MI 481081881783751
- Charisse Gencyuz, MDAnn Arbor, MI 481081174612303
- Kimberly Hamilton, MDAnn Arbor, MI 481081437189883
- Kurt Kamper, MDAnn Arbor, MI 481081154370542
- Susan Kamper, MDAnn Arbor, MI 481081760431167
Common questions
What is Patricia Karina Arizaca-Dileo, M.D.'s NPI number?
Patricia Karina Arizaca-Dileo, M.D.'s National Provider Identifier (NPI) is 1306004759, issued on May 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Karina Arizaca-Dileo, M.D. located?
The NPPES record lists a practice address at 375 Briarwood Cir, Ann Arbor, MI, 48108. Phone: (734) 998-2020. Providers update this record themselves, so call before visiting.
How can I verify Patricia Karina Arizaca-Dileo, M.D.'s license?
NPPES lists Michigan license number 4301505788, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patricia Karina Arizaca-Dileo, M.D. prescribe under Medicare Part D?
In 2024, Patricia Karina Arizaca-Dileo, M.D. had 1,382 Medicare Part D claims for 181 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.