2026 NPPES data Ophthalmology Physician NPI 1255443412 M.D.
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STEPHEN WAGNER, M.D.

Ophthalmology Physician in MONROE, Wisconsin. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
2K
Medicare Part D claims · 367 beneficiaries · Ophthalmology Physician avg: 1K
Generic prescribing
64%
generic claims · 36% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

STEPHEN WAGNER, M.D. filed 2,038 Medicare Part D claims in 2023 as a Ophthalmology Physician in MONROE, Wisconsin, prescribing 64% generic.

2K
Part D claims, 2023
64%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

STEPHEN WAGNER, M.D.'s Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

2,038 Top 16% higher than 84% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

STEPHEN WAGNER, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about STEPHEN WAGNER, M.D.?

Quality data not reported

NPI registry status

Active

Issued 08/31/2006

NPI 1255443412

Primary specialty

Ophthalmology Physician

Mid-sized

22,090 US NPIs in this specialty

Medicare Part D claims

2,038 44% vs specialty avg

2023 prescription claims

Specialty avg: 1,420

Specialty distribution in Wisconsin

How Ophthalmology Physician compares to other specialties among Wisconsin providers

Wisconsin providers

Ophthalmology Physician share within Wisconsin

1. Ophthalmology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Ophthalmology Physician share within Wisconsin

Specialty board-certification context

Estimated specialty board-certified rate — Ophthalmology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Ophthalmology Physician ABMS/AOA estimate

Est. board-certified rate (Ophthalmology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Ophthalmology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

STEPHEN WAGNER, M.D. appears in the CMS NPPES registry as a Ophthalmology Physician provider holding M.D. credentials at 515 22ND AVE, MONROE, WI, 53566, with a listed phone of (608) 324-2000. NPI 1255443412 was issued on 08/31/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WAGNER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 2,038 prescription claims written by this provider, covering 367 Medicare beneficiaries and totaling roughly $187K in drug spend, split 36% brand-name and 64% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Ophthalmology Physician is a mid-sized specialty nationwide, with 22,090 enrolled providers across 56 states and an average of 1,420 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

515 22ND AVE
MONROE, WI 53566

Provider Details

NPI 1255443412
Specialty Ophthalmology Physician
Credentials M.D.
Gender Male
NPI Issued 08/31/2006

Hospital and facility affiliations

Facilities where STEPHEN WAGNER, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

THE MONROE CLINIC, INC.
FREEPORT, IL

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Brand vs generic prescribing mix · Above average

STEPHEN WAGNER, M.D. — brand share 36.0%
Specialty average (est.)

36% brand-name claims vs 64% generic, on 2,038 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

2,038
Total Claims
$187K
Total Drug Cost
367
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,342
Total Day Supply
93,446
Brand vs Generic
36% brand / 64% generic
Brand Drug Cost
$139K
Generic Drug Cost
$48K

Patient Demographics

Average Patient Age
77.3 years
Avg HCC Risk Score
1.33
Gender Split
60% female / 40% male
Age Distribution
<65: 19, 65-74: 120, 75-84: 151, 85+: 77

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What STEPHEN WAGNER, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Latanoprost
817
Brimonidine Tartrate
240
Timolol Maleate
177
Dorzolamide-Timolol
Dorzolamide Hcl/Timolol Maleat
113
Dorzolamide Hcl
85
Alphagan P
Brimonidine Tartrate
78
Vyzulta
Latanoprostene Bunod
55
Rhopressa
Netarsudil Mesylate
52
Prednisolone Acetate
51
Moxifloxacin
Moxifloxacin Hcl
50

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Ophthalmology Physician Overview

How STEPHEN WAGNER, M.D. fits within the Ophthalmology Physician landscape nationally.

22,090
Ophthalmology Physician Providers in US
56
States with Ophthalmology Physician
1,420
Avg Claims per Provider

STEPHEN WAGNER, M.D.'s 2,038 claims are above the specialty average of 1,420.

Nearby Ophthalmology Physician Providers in Wisconsin

Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as WAGNER.

Compare Ophthalmology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is STEPHEN WAGNER, M.D.'s specialty?
STEPHEN WAGNER, M.D. specializes in Ophthalmology Physician and practices in MONROE, Wisconsin. Credentials: M.D..
How much does STEPHEN WAGNER, M.D. prescribe under Medicare Part D?
In 2023, STEPHEN WAGNER, M.D. wrote 2,038 Medicare Part D claims totaling $187K in drug costs for 367 beneficiaries.
Where is STEPHEN WAGNER, M.D. located?
STEPHEN WAGNER, M.D. is located at 515 22ND AVE, MONROE, WI, 53566. Phone: (608) 324-2000.
What is STEPHEN WAGNER, M.D.'s NPI number?
STEPHEN WAGNER, M.D.'s National Provider Identifier (NPI) is 1255443412, issued on 08/31/2006.
Does STEPHEN WAGNER, M.D. prescribe more brand-name or generic drugs?
STEPHEN WAGNER, M.D.'s prescribing is 36% brand-name and 64% generic drugs by claim count, with $139K in brand drug costs.
How many Ophthalmology Physician providers are there in the US?
There are 22,090 Ophthalmology Physician providers across 56 states in the US. The average Ophthalmology Physician provider writes 1,420 Medicare Part D claims per year.
What drugs does STEPHEN WAGNER, M.D. prescribe most often?
Based on 2023 Medicare Part D data, STEPHEN WAGNER, M.D.'s most frequently prescribed drugs include Latanoprost, Brimonidine Tartrate, Timolol Maleate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does STEPHEN WAGNER, M.D. accept Medicare?
STEPHEN WAGNER, M.D. appears in CMS Medicare data with 2,038 Part D claims and 367 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify STEPHEN WAGNER, M.D.'s credentials?
STEPHEN WAGNER, M.D.'s NPI is 1255443412 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology