William Blosky, M.D.
Internal Medicine Physician · Milwaukee, WI
William Blosky, M.D. is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1740506195, issued on Apr 9, 2010. Check the license (Wisconsin 65262-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Blosky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 65262-20 WI
121652 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI 53215
- Phone
- (414) 908-6506
- Enumerated
- Apr 9, 2010
- Entity
- Type 1 · individual
Also registered at 2801 W Kinnickinnic River Pkwy Ste 1080
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Baierl, PA-CMedical Physician Assistant1831530575
- Katie Balderas, PA-CPhysician Assistant1497184279
- Aaron Baltz, MDGastroenterology Physician1467499277
- Fabiola Boche, PA-CMedical Physician Assistant1265661847
- Tedd Cain, MDGastroenterology Physician1750358115
- David Carron, MDGastroenterology Physician1023085487
Verify William Blosky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65262-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
42% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,625 Medicare Part D claims for 679 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Pantoprazole Sodium409 claims
- Omeprazole222 claims
- Sod Sulf-Potass Sulf-Mag Sulf178 claims
- Gavilyte-G167 claims
- Peg-3350 And Electrolytes68 claims
- Budesonide Dr62 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.
3 hospital and facility affiliations
- Gastroenterology Specialists SCWauwatosa, WI
- GI Associates LLCMilwaukee, WI
- Milwaukee GI Specialists SCWauwatosa, 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.
646 internal medicine physician records list a Milwaukee practice address
They are 646 of the 18,389 NPPES records with a Milwaukee practice address, and 2,832 internal medicine physician records in Wisconsin.
All 646 in Milwaukee → All 2,832 in Wisconsin → Every provider in Milwaukee →
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 William Blosky, M.D.'s NPI number?
William Blosky, M.D.'s National Provider Identifier (NPI) is 1740506195, issued on Apr 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Blosky, M.D. located?
The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy Ste 1080, Milwaukee, WI, 53215. Phone: (414) 908-6506. Providers update this record themselves, so call before visiting.
How can I verify William Blosky, M.D.'s license?
NPPES lists Wisconsin license number 65262-20, 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 William Blosky, M.D. prescribe under Medicare Part D?
In 2024, William Blosky, M.D. had 1,625 Medicare Part D claims for 679 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.