Alexander Armanthus Foster, MD
Ophthalmology Physician · Green Bay, WI
Alexander Armanthus Foster, MD is an ophthalmology physician with a practice address in Green Bay, Wisconsin, and NPI 1992233662, issued on May 25, 2017. Check the license (Wisconsin 74751, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Alexander Armanthus Foster
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 74751 WI
R76147 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2253 W Mason St, Green Bay, WI 54303
- Phone
- (920) 327-7000
- Enumerated
- May 25, 2017
- Record last updated
- Apr 21, 2026
- Fax
- (920) 327-7005
- Medicare enrollment
- Enrolled (PECOS I20210903002842); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 2253 W Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Alexander, M.D.Pediatrics Physician1780737155
- Madeline Almond, MDOphthalmology Physician1720098288
- Catharine Aune, CRNPNurse Practitioner1437573086
- Brianna Baeten, PAPhysician Assistant1194358648
- Heidi Bergman, PT, DPTPhysical Therapist1073130670
- Joseph Bergmann, M.D.Glaucoma Specialist (Ophthalmology) Physician1265623649
Verify Alexander Armanthus Foster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 74751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average ophthalmology physician in 2024
584 Medicare Part D claims for 218 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost181 claims
- Prednisolone Acetate85 claims
- Dorzolamide-Timolol78 claims
- Timolol Maleate32 claims
- Erythromycin26 claims
- Rhopressa18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $154.04
8 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings 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
- Baycare Clinic LLPGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Armanthus Foster among 441 ophthalmology physician records in Wisconsin
Alexander Armanthus Foster, MD 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 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2005 among the 259 with a school on file
- Record last updated2026 · 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 Green Bay → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Madeline Almond, MDGreen Bay, WI 543031720098288
- Dianna Bordewick, MDGreen Bay, WI 543031790720100
- Pamela Dobson, DOGreen Bay, WI 543031316932197
- Charles Errico, MDGreen Bay, WI 543031871538132
- William Foster, MDGreen Bay, WI 543031568490829
- Annette Giangiacomo, MDGreen Bay, WI 543031912929019
- Kara Harbick, MDGreen Bay, WI 543031366481772
- Richard Heckert, MDGreen Bay, WI 543031467498915
Common questions
What is Alexander Armanthus Foster, MD's NPI number?
Alexander Armanthus Foster, MD's National Provider Identifier (NPI) is 1992233662, issued on May 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Armanthus Foster, MD located?
The NPPES record lists a practice address at 2253 W Mason St, Green Bay, WI, 54303. Phone: (920) 327-7000. Providers update this record themselves, so call before visiting.
How can I verify Alexander Armanthus Foster, MD's license?
NPPES lists Wisconsin license number 74751, 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 Alexander Armanthus Foster, MD prescribe under Medicare Part D?
In 2024, Alexander Armanthus Foster, MD had 584 Medicare Part D claims for 218 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Alexander Armanthus Foster, MD's MIPS final score?
The 2023 MIPS final score is 77.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.