Daniel Attanasio, D.O.
Internal Medicine Physician · Grafton, WI
Daniel Attanasio, D.O. is an internal medicine physician with a practice address in Grafton, Wisconsin, and NPI 1609801380, issued on Jul 11, 2006. Check the license (Wisconsin 49349, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Daniel Attanasio
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 49349 WI
Self-reported in NPPES; status is on the state search - Practice location
- 215 Washington St, Grafton, WI 53024
- Phone
- (262) 375-3700
- Enumerated
- Jul 11, 2006
- Entity
- Type 1 · individual
Also registered at 215 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erica Barreto, PTPhysical Therapist1932777026
- Sarah BauwensObstetrics & Gynecology Physician1770970956
- Terence Beilfuss, P.T.Physical Therapist1376574640
- Adam Calusic, DOFamily Medicine Physician1790713436
- Alexandra Carley, M.D.Dermatology Physician1083843114
- Emily Churchill, DNPNurse Practitioner1881392165
Verify Daniel Attanasio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 49349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.9 times the Medicare Part D claims of the average internal medicine physician in 2024
10,756 Medicare Part D claims for 613 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 577 claims were for opioids.
Most prescribed
- Atorvastatin Calcium615 claims
- Amlodipine Besylate451 claims
- Lisinopril403 claims
- Pantoprazole Sodium363 claims
- Losartan Potassium357 claims
- Rosuvastatin Calcium306 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.
One hospital or facility affiliation
- Aurora Advanced Healthcare, Inc.Mequon, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
29 internal medicine physician records list a Grafton practice address
They are 29 of the 459 NPPES records with a Grafton practice address, and 2,832 internal medicine physician records in Wisconsin.
All 29 in Grafton → All 2,832 in Wisconsin → Every provider in Grafton →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Noormuhammad Abbasakoor, M.D.Sheboygan, WI1558645895
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Kareem Abdelhadi, MDRice Lake, WI1841494432
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
- Hamza Abdul Majeed, DOMilwaukee, WI1881013282
- Anas Abed, MDMadison, WI1659002566
- Sameem Abedin, MDMilwaukee, WI1063641157
- Vincent Abejuela, DOMilwaukee, WI1356928543
Common questions
What is Daniel Attanasio, D.O.'s NPI number?
Daniel Attanasio, D.O.'s National Provider Identifier (NPI) is 1609801380, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Attanasio, D.O. located?
The NPPES record lists a practice address at 215 Washington St, Grafton, WI, 53024. Phone: (262) 375-3700. Providers update this record themselves, so call before visiting.
How can I verify Daniel Attanasio, D.O.'s license?
NPPES lists Wisconsin license number 49349, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daniel Attanasio, D.O. prescribe under Medicare Part D?
In 2024, Daniel Attanasio, D.O. had 10,756 Medicare Part D claims for 613 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.