Douglas S. Bull, M.D.
Ophthalmology Physician · Reedsburg, WI
Douglas S. Bull, M.D. is an ophthalmology physician with a practice address in Reedsburg, Wisconsin, and NPI 1083621544, issued on Aug 1, 2006. Check the license (Wisconsin 83393-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Douglas S. Bull
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 83393-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2000 N Dewey Ave, Reedsburg, WI 53959
- Phone
- (085) 246-4876
- Enumerated
- Aug 1, 2006
- Record last updated
- Nov 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20240729001229); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1992
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 2000 N Dewey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Adsit, CNMAdvanced Practice Midwife1336912120
- Sydney Anderson, DOFamily Medicine Physician1386223204
- Cait AtchisonAthletic Trainer1104461979
- Elizabeth Baker, D.P.M.Podiatrist1700226420
- Mary Baniel, PA-CPhysician Assistant1912568627
- Christopher Bjorklund, CRNACertified Registered Nurse Anesthetist1255332250
Verify Douglas S. Bull in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 83393-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average ophthalmology physician in 2024
2,051 Medicare Part D claims for 475 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Latanoprost628 claims
- Timolol Maleate258 claims
- Lumigan209 claims
- Prednisolone Acetate152 claims
- Ketorolac Tromethamine137 claims
- Moxifloxacin104 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: $34.95
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Reedsburg Area Medical Center IncReedsburg, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas S. Bull among 441 ophthalmology physician records in Wisconsin
Douglas S. Bull, M.D. is one of 441 ophthalmology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1992 · median 2005 among the 259 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Reedsburg → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Bryce Aul, MDWaupun, WI 539631275020836
- Omar Abdelmegid, MDBeaver Dam, WI 539161760943633
- Thomas Castillo, DOBeaver Dam, WI 539161700805454
- George Davis, MDBeaver Dam, WI 539161053330712
- Erik Schoff, MDBeaver Dam, WI 539161134101520
- Jay Wilkins, MDBeaver Dam, WI 539161932125093
- Gregory SovinskiBaraboo, WI 539131841722451
- Robert Castrovinci, M.D.Portage, WI 539011265428841
Common questions
What is Douglas S. Bull, M.D.'s NPI number?
Douglas S. Bull, M.D.'s National Provider Identifier (NPI) is 1083621544, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas S. Bull, M.D. located?
The NPPES record lists a practice address at 2000 N Dewey Ave, Reedsburg, WI, 53959. Phone: (085) 246-4876. Providers update this record themselves, so call before visiting.
How can I verify Douglas S. Bull, M.D.'s license?
NPPES lists Wisconsin license number 83393-20, 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 Douglas S. Bull, M.D. prescribe under Medicare Part D?
In 2024, Douglas S. Bull, M.D. had 2,051 Medicare Part D claims for 475 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.