Leo Bay, DO
Family Medicine Physician · Ashland, WI
Leo Bay, DO is a family medicine physician with a practice address in Ashland, Wisconsin, and NPI 1659752285, issued on Jun 9, 2015. Check the license (Wisconsin 69013-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leo Bay
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 69013-21 WI
125067524 IL
64415 MN
OP60849062 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1615 Maple LN Ste 1, Ashland, WI 54806
- Phone
- (715) 685-7500
- Enumerated
- Jun 9, 2015
- Entity
- Type 1 · individual
Also registered at 1615 Maple LN Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Barningham, RN, CNPAdult Health Nurse Practitioner1992033773
- Rachel Bebeau, APRN, CNPFamily Nurse Practitioner1992362941
- Charles BertelSurgery Physician1184669517
- Carol BushmanAdult Health Nurse Practitioner1164613527
- Erika Carrier, PA-CMedical Physician Assistant1225409774
- Beret Casey, M.D.Internal Medicine Physician1124289483
Verify Leo Bay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 69013-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1% more Medicare Part D claims than the average family medicine physician in 2024
3,545 Medicare Part D claims for 309 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 129 claims were for opioids.
Most prescribed
- Atorvastatin Calcium175 claims
- Lisinopril155 claims
- Warfarin Sodium130 claims
- Amlodipine Besylate113 claims
- Metoprolol Succinate106 claims
- Omeprazole101 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
- The Duluth Clinic LtdDuluth, MN
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.
30 family medicine physician records list a Ashland practice address
They are 30 of the 366 NPPES records with a Ashland practice address, and 3,629 family medicine physician records in Wisconsin.
All 30 in Ashland → All 3,629 in Wisconsin → Every provider in Ashland →
Other family medicine physician records in Wisconsin
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
- Emily Abeyta, MDWaukesha, WI1386905107
- Islam Abo Al Nadie, MDMilwaukee, WI1326618786
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is Leo Bay, DO's NPI number?
Leo Bay, DO's National Provider Identifier (NPI) is 1659752285, issued on Jun 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Leo Bay, DO located?
The NPPES record lists a practice address at 1615 Maple LN Ste 1, Ashland, WI, 54806. Phone: (715) 685-7500. Providers update this record themselves, so call before visiting.
How can I verify Leo Bay, DO's license?
NPPES lists Wisconsin license number 69013-21, 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 Leo Bay, DO prescribe under Medicare Part D?
In 2024, Leo Bay, DO had 3,545 Medicare Part D claims for 309 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.