2026 NPPES data Optometrist NPI 1881046779 O.D.
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CHARLES ENGELBRECHT, O.D.

Optometrist in MILWAUKEE, 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 · 361 beneficiaries · Optometrist avg: 257
Generic prescribing
70%
generic claims · 30% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

CHARLES ENGELBRECHT, O.D. filed 1,567 Medicare Part D claims in 2023 as a Optometrist in MILWAUKEE, Wisconsin, prescribing 70% generic.

2K
Part D claims, 2023
70%
generic prescribing

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.

CHARLES ENGELBRECHT, O.D.'s Medicare Part D volume vs every U.S. prescriber

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

1,567 Top 19% higher than 81% 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%). This entry sits in this band. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. 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

What does the federal data show about CHARLES ENGELBRECHT, O.D.?

Quality data not reported

NPI registry status

Active

Issued 07/05/2016

NPI 1881046779

Primary specialty

Optometrist

High-volume

60,463 US NPIs in this specialty

Medicare Part D claims

1,567 510% vs specialty avg

2023 prescription claims

Specialty avg: 257

Specialty distribution in Wisconsin

How Optometrist compares to other specialties among Wisconsin providers

Wisconsin providers

Optometrist share within Wisconsin

1. Optometrist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Optometrist share within Wisconsin

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Optometrist) — 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).

CHARLES ENGELBRECHT, O.D. appears in the CMS NPPES registry as a Optometrist provider holding O.D. credentials at 7878 N 76TH ST, MILWAUKEE, WI, 53223, with a listed phone of (414) 586-5710. NPI 1881046779 was issued on 07/05/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ENGELBRECHT 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 1,567 prescription claims written by this provider, covering 361 Medicare beneficiaries and totaling roughly $157K in drug spend, split 30% brand-name and 70% 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.

Optometrist is a high-volume specialty nationwide, with 60,463 enrolled providers across 56 states and an average of 257 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

7878 N 76TH ST
MILWAUKEE, WI 53223

Provider Details

NPI 1881046779
Specialty Optometrist
Credentials O.D.
Gender Male
NPI Issued 07/05/2016

Hospital and facility affiliations

Facilities where CHARLES ENGELBRECHT, O.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.

AURORA ADVANCED HEALTHCARE, INC.
MILWAUKEE, WI

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

CHARLES ENGELBRECHT, O.D. — brand share 30.0%
Specialty average (est.)

30% brand-name claims vs 70% generic, on 1,567 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.

1,567
Total Claims
$157K
Total Drug Cost
361
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,740
Total Day Supply
76,767
Brand vs Generic
30% brand / 70% generic
Brand Drug Cost
$115K
Generic Drug Cost
$42K
Antibiotic Claims
29

Patient Demographics

Average Patient Age
73.6 years
Avg HCC Risk Score
1.53
Gender Split
62% female / 38% male
Age Distribution
<65: 40, 65-74: 156, 75-84: 124, 85+: 41

Top Prescribed Drugs (Medicare Part D)

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

What CHARLES ENGELBRECHT, O.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
695
Timolol Maleate
224
Dorzolamide-Timolol
Dorzolamide Hcl/Timolol Maleat
205
Restasis
Cyclosporine
63
Brimonidine Tartrate
58
Erythromycin
Erythromycin Base
56
Travoprost
51
Prednisolone Acetate
28
Neomycin-Polymyxin-Dexameth
Neomycin/Polymyxin B/Dexametha
23
Brimonidine Tartrate-Timolol
Brimonidine Tartrate/Timolol
20

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

Optometrist Overview

How CHARLES ENGELBRECHT, O.D. fits within the Optometrist landscape nationally.

60,463
Optometrist Providers in US
56
States with Optometrist
257
Avg Claims per Provider

CHARLES ENGELBRECHT, O.D.'s 1,567 claims are above the specialty average of 257.

Nearby Optometrist Providers in Wisconsin

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

Compare Optometrist nationally: see state-by-state distribution →

Frequently Asked Questions

What is CHARLES ENGELBRECHT, O.D.'s specialty?
CHARLES ENGELBRECHT, O.D. specializes in Optometrist and practices in MILWAUKEE, Wisconsin. Credentials: O.D..
How much does CHARLES ENGELBRECHT, O.D. prescribe under Medicare Part D?
In 2023, CHARLES ENGELBRECHT, O.D. wrote 1,567 Medicare Part D claims totaling $157K in drug costs for 361 beneficiaries.
Where is CHARLES ENGELBRECHT, O.D. located?
CHARLES ENGELBRECHT, O.D. is located at 7878 N 76TH ST, MILWAUKEE, WI, 53223. Phone: (414) 586-5710.
What is CHARLES ENGELBRECHT, O.D.'s NPI number?
CHARLES ENGELBRECHT, O.D.'s National Provider Identifier (NPI) is 1881046779, issued on 07/05/2016.
Does CHARLES ENGELBRECHT, O.D. prescribe more brand-name or generic drugs?
CHARLES ENGELBRECHT, O.D.'s prescribing is 30% brand-name and 70% generic drugs by claim count, with $115K in brand drug costs.
How many Optometrist providers are there in the US?
There are 60,463 Optometrist providers across 56 states in the US. The average Optometrist provider writes 257 Medicare Part D claims per year.
What drugs does CHARLES ENGELBRECHT, O.D. prescribe most often?
Based on 2023 Medicare Part D data, CHARLES ENGELBRECHT, O.D.'s most frequently prescribed drugs include Latanoprost, Timolol Maleate, Dorzolamide-Timolol. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does CHARLES ENGELBRECHT, O.D. accept Medicare?
CHARLES ENGELBRECHT, O.D. appears in CMS Medicare data with 1,567 Part D claims and 361 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify CHARLES ENGELBRECHT, O.D.'s credentials?
CHARLES ENGELBRECHT, O.D.'s NPI is 1881046779 with credentials O.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