NPI registry status
Active
2026 NPPES data Optometrist NPI 1801894308 O.D.
Verify on CMS → Corwin Brown, O.D.
Optometrist in Cleburne, Texas.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 61,426 in Optometrist, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
73
Medicare Part D claims · 15 beneficiaries · Optometrist avg: 279
Generic prescribing
78%
generic claims · 22% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.5 · Exceptional
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Corwin Brown, O.D. reported a CMS MIPS final score of 100/100 - above the 83.5 national average - and filed 73 Medicare Part D claims in 2024.
- 100/100
- MIPS score · +17 vs avg
- 73
- Part D claims, 2024
- 78%
- generic prescribing
- ≥92nd
- pct among measured MIPS (lower-bound band)
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.
Federal trust snapshot
What official records show about Corwin Brown, O.D.
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1801894308), first enumerated 07/08/2005.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 73 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 100/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- State context
State board disciplinary context
Texas statewide board action statistics are published annually — these figures describe aggregate state activity, not Corwin Brown, O.D.'s individual license status. Verify directly with the state medical board.
Source: TMB annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1801894308 · Optometrist
NPI-10 · ENUM-LEGACY · TAX-MEGA · MIPS-ELITE · RX-TRACE · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1801894308
- ENUM-LEGACY 2005
- TAX-MEGA 61K Optometrist
- MIPS-ELITE 100/100
- RX-TRACE 73
- BOOK-LIGHT 4,878 in Texas
- PHOTO-FINISH Marcus Appy, O.D. · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Brown · this pro…
Brown · this provider
100 MIPS pts
- Careen Caputo, O…
Careen Caputo, OD
100 MIPS pts
- Marcus Appy, O.D…
Marcus Appy, O.D.
100 MIPS pts
- Jennifer Bailey-…
Jennifer Bailey-Martin, O.D.
100 MIPS pts
- Michael Bradford…
Michael Bradford, OD
100 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Corwin Brown, O.D.'s MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
100 ≥ 92nd percentile 92% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. 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.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Corwin Brown, O.D. sits
This provider among optometrist peers
Across the 6,187 optometrist providers who report both Medicare Part D prescribing and a MIPS quality score, Corwin Brown, O.D. writes more Part D claims than 14% of them and scores higher on MIPS quality than 90% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one optometrist peer from a representative sample of 60; the gold marker is Corwin Brown, O.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
What does the federal data show about Corwin Brown, O.D.?
High performer (top quartile)Primary specialty
Optometrist
Medicare Part D claims
73 74% vs specialty avg
MIPS final score
100/100 16.5 pts vs avg
Specialty distribution in Texas
How Optometrist compares to other specialties among Texas providers
Medicare quality performance, MIPS
Corwin Brown, O.D.'s 2023 MIPS final score plotted against the Optometrist national average
- MIPS Final Score
- 100/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
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).
Practice Address
Provider Details
| NPI | 1801894308 |
|---|---|
| Specialty | Optometrist |
| Credentials | O.D. |
| Gender | Male |
| NPI Issued | 07/08/2005 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
100
Final Score
Measured-score avg: 83.5
100
Quality
Reporting: Group practice
License & disciplinary context - Texas TMB 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~77K Texas medical licensees in 2023 - they are NOT specific to Corwin Brown, O.D.. To verify Corwin Brown, O.D.'s current license status, search the TMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
344
Total board actions, Texas 2023
Across 334 cases
4.47
Actions per 1,000 licensees
Texas statewide rate
probation
Most common action type
94 cases
TMB publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Texas disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Corwin Brown, O.D. - brand share 22.0%
Optometrist average
22% brand-name claims vs 78% generic, on 73 2024 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 2024.
73
Total Claims
$7K
Total Drug Cost
15
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 170.767
- Total Day Supply
- 4,954
- Brand vs Generic
- 22% brand / 78% generic
- Brand Drug Cost
- $2K
- Generic Drug Cost
- $5K
Patient Demographics
- Average Patient Age
- 77.5 years
- Avg HCC Risk Score
- 1.32
- Age Distribution
- <65: 0, 65-74: N/A, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Latanoprost | 23 |
| Brimonidine Tartrate | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Optometrist Overview
How Corwin Brown, O.D. fits within the Optometrist landscape nationally.
61,426
Optometrist Providers in US
56
States with Optometrist
279
Avg Claims per Provider
Corwin Brown, O.D.'s 73 claims are below the specialty average of 279.
Nationwide Optometrist peers with similar MIPS or enrollment year
Two federal-record peer sets for Brown, both outside Texas so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (100 here).
Same NPPES enumeration year (2005)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Optometrist Providers in Texas
Other clinicians with the same primary specialty enrolled in Texas, drawn from the same CMS NPPES roster as Brown.
One of 4,878 Optometrist providers enrolled in Texas, 5 are shown here.
Dr. Matthew Aaker
O.D.
Universal City, TX
Dr. Brad Aaron
O.D.
New Boston, TX
Dr. Michelle Aaron
O.D.
San Antonio, TX
Dr. Gary Abbott
OD
Randolph Afb, TX
Dr. Fortuna Abebe
OD
Houston, TX
Compare Optometrist nationally: see state-by-state distribution →
Frequently Asked Questions
What is Corwin Brown, O.D.'s specialty? ▼
Corwin Brown, O.D. specializes in Optometrist and practices in Cleburne, Texas. Credentials: O.D..
How much does Corwin Brown, O.D. prescribe under Medicare Part D? ▼
In 2024, Corwin Brown, O.D. wrote 73 Medicare Part D claims totaling $7K in drug costs for 15 beneficiaries.
What is Corwin Brown, O.D.'s Medicare quality score? ▼
Corwin Brown, O.D. has a CMS MIPS Final Score of 100/100 (Quality: 100). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Corwin Brown, O.D. located? ▼
Corwin Brown, O.D. is located at 839 N NOLAN RIVER RD, Cleburne, TX, 76033. Phone: (817) 645-2411.
What is Corwin Brown, O.D.'s NPI number? ▼
Corwin Brown, O.D.'s National Provider Identifier (NPI) is 1801894308, issued on 07/08/2005.
Does Corwin Brown, O.D. prescribe more brand-name or generic drugs? ▼
Corwin Brown, O.D.'s prescribing is 22% brand-name and 78% generic drugs by claim count, with $2K in brand drug costs.
How many Optometrist providers are there in the US? ▼
There are 61,426 Optometrist providers across 56 states in the US. The average Optometrist provider writes 279 Medicare Part D claims per year.
What drugs does Corwin Brown, O.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Corwin Brown, O.D.'s most frequently prescribed drugs include Latanoprost, Brimonidine Tartrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Corwin Brown, O.D. accept Medicare? ▼
Corwin Brown, O.D. appears in CMS Medicare data with 73 Part D claims and 15 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Corwin Brown, O.D.'s credentials? ▼
Corwin Brown, O.D.'s NPI is 1801894308 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
View source datasets and methodology notes
- 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 (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- 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 August 2026 (NPPES) / 2024 (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
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 August 2026.