2026 NPPES data Retina Specialist (Ophthalmology) Physician NPI 1366548174 M.D.
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Brian Kosobucki, M.D.

Retina Specialist (Ophthalmology) Physician in Winston Salem, North Carolina.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 913 in Retina Specialist (Ophthalmology) Physician, 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
3K
Medicare Part D claims · 443 beneficiaries · Retina Specialist (Ophthalmology) Physician avg: 558
Generic prescribing
69%
generic claims · 31% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.1 · Exceptional
Industry payments
$244.67
11 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Brian Kosobucki, M.D. reported a CMS MIPS final score of 100/100 - above the 83.1 national average - and filed 3,451 Medicare Part D claims in 2023.

100/100
MIPS score · +17 vs avg
3K
Part D claims, 2023
69%
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.

Brian Kosobucki, M.D.'s MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure

100 Top 7% higher than 93% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). Below this entry. 90+: 189,403 scored providers (40%). This entry sits in this band. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored 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.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

Where Brian Kosobucki, M.D. sits

This provider among retina specialist (ophthalmology) physician peers

Across the 583 retina specialist (ophthalmology) physician providers who report both Medicare Part D prescribing and a MIPS quality score, Brian Kosobucki, M.D. writes more Part D claims than 99% of them and scores higher on MIPS quality than 58% - placing this provider in the high-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.

Part D claim volume vs MIPS quality, by specialty percentile

Lower volume · High qualityHigh volume · High qualityLower volume · Lower qualityHigh volume · Lower quality0255075100017.635.252.870.3Part D claim volume, percentile in specialtyMIPS quality, percentilePart D claim volume, percentile in specialty: 90 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 40Part D claim volume, percentile in specialty: 63 · MIPS quality, percentile: 2Part D claim volume, percentile in specialty: 25 · MIPS quality, percentile: 28Part D claim volume, percentile in specialty: 22 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 67 · MIPS quality, percentile: 32Part D claim volume, percentile in specialty: 82 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 27 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 98 · MIPS quality, percentile: 8Part D claim volume, percentile in specialty: 42 · MIPS quality, percentile: 23Part D claim volume, percentile in specialty: 15 · MIPS quality, percentile: 17Part D claim volume, percentile in specialty: 8 · MIPS quality, percentile: 3Part D claim volume, percentile in specialty: 50 · MIPS quality, percentile: 50Part D claim volume, percentile in specialty: 20 · MIPS quality, percentile: 0Part D claim volume, percentile in specialty: 55 · MIPS quality, percentile: 48Part D claim volume, percentile in specialty: 65 · MIPS quality, percentile: 53Part D claim volume, percentile in specialty: 97 · MIPS quality, percentile: 38Part D claim volume, percentile in specialty: 7 · MIPS quality, percentile: 57Part D claim volume, percentile in specialty: 2 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 80 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 40 · MIPS quality, percentile: 62Part D claim volume, percentile in specialty: 17 · MIPS quality, percentile: 37Part D claim volume, percentile in specialty: 47 · MIPS quality, percentile: 5Part D claim volume, percentile in specialty: 47 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 70 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 13 · MIPS quality, percentile: 60Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 45 · MIPS quality, percentile: 58Part D claim volume, percentile in specialty: 87 · MIPS quality, percentile: 35Part D claim volume, percentile in specialty: 78 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 5 · MIPS quality, percentile: 22Part D claim volume, percentile in specialty: 12 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 43 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 60 · MIPS quality, percentile: 15Part D claim volume, percentile in specialty: 57 · MIPS quality, percentile: 13Part D claim volume, percentile in specialty: 28 · MIPS quality, percentile: 18Part D claim volume, percentile in specialty: 38 · MIPS quality, percentile: 47Part D claim volume, percentile in specialty: 83 · MIPS quality, percentile: 30Part D claim volume, percentile in specialty: 3 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 92 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 72 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 35 · MIPS quality, percentile: 42Part D claim volume, percentile in specialty: 73 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 77 · MIPS quality, percentile: 20Part D claim volume, percentile in specialty: 52 · MIPS quality, percentile: 43Part D claim volume, percentile in specialty: 37 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 88 · MIPS quality, percentile: 65Part D claim volume, percentile in specialty: 23 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 75 · MIPS quality, percentile: 63Part D claim volume, percentile in specialty: 30 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 93 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 62 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 68 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 8 · MIPS quality, percentile: 27Part D claim volume, percentile in specialty: 85 · MIPS quality, percentile: 25Part D claim volume, percentile in specialty: 95 · MIPS quality, percentile: 10Part D claim volume, percentile in specialty: 53 · MIPS quality, percentile: 55Part D claim volume, percentile in specialty: 0 · MIPS quality, percentile: 33Part D claim volume, percentile in specialty: 18 · MIPS quality, percentile: 52Part D claim volume, percentile in specialty: 58 · MIPS quality, percentile: 45Brian Kosobucki, M.D.-Part D claim volume, percentile in specialty: 99 · MIPS quality, percentile: 58
Part D claim volume vs MIPS quality, by specialty percentile

Each dot is one retina specialist (ophthalmology) physician peer from a representative sample of 60; the gold marker is Brian Kosobucki, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.

Board certification likely (heuristic, not verified)

Brian Kosobucki, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - 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 Brian Kosobucki, M.D.?

High performer (top quartile)

NPI registry status

Active

Issued 09/16/2006

NPI 1366548174

Primary specialty

Retina Specialist (Ophthalmology) Physician

Niche

913 US NPIs in this specialty

Medicare Part D claims

3,451 vs specialty avg

2023 prescription claims

Specialty avg: 558

MIPS final score

100/100 16.9 pts vs avg

Exceptional band

vs 83.1 national avg

Specialty distribution in North Carolina

How Retina Specialist (Ophthalmology) Physician compares to other specialties among North Carolina providers

North Carolina providers
Clinical Social Worker - 7.1%Clinical Social Worker7.1%Behavior Technician - 6.4%Behavior Technician6.4%Pharmacist - 5%Pharmacist5%Student in an Organized Health Care Education/Training Program - 4.5%Student in an Organized Health Care Education/Training Program4.5%Physical Therapist - 4.3%Physical Therapist4.3%Physician Assistant - 4.2%Physician Assistant4.2%Retina Specialist (Ophthalmology) Physician - 0%Retina Specialist (Ophthalmology) Physician0%
Largest specialties in North Carolina (% of in-state providers)

Medicare quality performance, MIPS

Brian Kosobucki, M.D.'s 2023 MIPS final score plotted against the Retina Specialist (Ophthalmology) Physician national average

High performer (top quartile)
MIPS Final Score
100/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Retina Specialist (Ophthalmology) Physician) - 100/100 vs national avg 83.1

0%100%National avg83%99%
MIPS final score (Retina Specialist (Ophthalmology) Physician) - 100/100 vs national avg 83.1
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).

Brian Kosobucki, M.D. appears in the CMS NPPES registry as a Retina Specialist (Ophthalmology) Physician provider holding M.D. credentials at 3333 BROOKVIEW HILLS BLVD, Winston Salem, NC, 27103, with a listed phone of (336) 842-3780. NPI 1366548174 was issued on 09/16/2006.

Medicare Part D records for calendar year 2023 show 3,451 prescription claims written by this provider, covering 443 Medicare beneficiaries and totaling roughly $229K in drug spend, split 31% brand-name and 69% generic by claim count, with an opioid prescribing rate of 0.6%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year (Quality 100), compared with the national average of 83.1.

Retina Specialist (Ophthalmology) Physician is a narrow specialty nationwide, with 913 enrolled providers across 48 states and an average of 558 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

3333 BROOKVIEW HILLS BLVD
Winston Salem, NC 27103

Provider Details

NPI 1366548174
Specialty Retina Specialist (Ophthalmology) Physician
Credentials M.D.
Gender Male
NPI Issued 09/16/2006

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

100
Final Score
Avg: 83.1
100
Quality

Reporting: Group practice

Industry payments received (2024) - CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Brian Kosobucki, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$245

Largest payer

ABBVIE INC.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Above average

Brian Kosobucki, M.D. - brand share 31.0%
Retina Specialist (Ophthalmology) Physician average

31% brand-name claims vs 69% generic, on 3,451 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.

3,451
Total Claims
$229K
Total Drug Cost
443
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,992
Total Day Supply
136,177
Brand vs Generic
31% brand / 69% generic
Brand Drug Cost
$158K
Generic Drug Cost
$70K
Opioid Claims
19 (0.6% rate)
Antibiotic Claims
54

Patient Demographics

Average Patient Age
73.7 years
Avg HCC Risk Score
1.76
Gender Split
64% female / 36% male
Age Distribution
<65: 43, 65-74: 191, 75-84: 156, 85+: 53

Top Prescribed Drugs (Medicare Part D)

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

What Brian Kosobucki, 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
Ketorolac Tromethamine
812
Prednisolone Acetate
652
Brimonidine Tartrate
432
Latanoprost
205
Dorzolamide-Timolol
Dorzolamide Hcl/Timolol Maleat
193
Dexamethasone Sodium Phosphate
161
Valacyclovir
Valacyclovir Hcl
123
Dorzolamide Hcl
101
Prolensa
Bromfenac Sodium
80
Lotemax Sm
Loteprednol Etabonate
65

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

Retina Specialist (Ophthalmology) Physician Overview

How Brian Kosobucki, M.D. fits within the Retina Specialist (Ophthalmology) Physician landscape nationally.

913
Retina Specialist (Ophthalmology) Physician Providers in US
48
States with Retina Specialist (Ophthalmology) Physician
558
Avg Claims per Provider

Brian Kosobucki, M.D.'s 3,451 claims are above the specialty average of 558.

Nearby Retina Specialist (Ophthalmology) Physician Providers in North Carolina

Other clinicians with the same primary specialty enrolled in North Carolina, drawn from the same CMS NPPES roster as Kosobucki.

Compare Retina Specialist (Ophthalmology) Physician nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the North Carolina medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Retina Specialist (Ophthalmology) Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Brian Kosobucki, M.D.'s specialty?
Brian Kosobucki, M.D. specializes in Retina Specialist (Ophthalmology) Physician and practices in Winston Salem, North Carolina. Credentials: M.D..
How much does Brian Kosobucki, M.D. prescribe under Medicare Part D?
In 2023, Brian Kosobucki, M.D. wrote 3,451 Medicare Part D claims totaling $229K in drug costs for 443 beneficiaries.
What is Brian Kosobucki, M.D.'s Medicare quality score?
Brian Kosobucki, M.D. has a CMS MIPS Final Score of 100/100 (Quality: 100). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Brian Kosobucki, M.D. located?
Brian Kosobucki, M.D. is located at 3333 BROOKVIEW HILLS BLVD, Winston Salem, NC, 27103. Phone: (336) 842-3780.
What is Brian Kosobucki, M.D.'s NPI number?
Brian Kosobucki, M.D.'s National Provider Identifier (NPI) is 1366548174, issued on 09/16/2006.
Does Brian Kosobucki, M.D. prescribe more brand-name or generic drugs?
Brian Kosobucki, M.D.'s prescribing is 31% brand-name and 69% generic drugs by claim count, with $158K in brand drug costs.
Does Brian Kosobucki, M.D. prescribe opioids?
Yes, Brian Kosobucki, M.D. had 19 opioid claims in 2023 with an opioid prescribing rate of 0.6%.
How many Retina Specialist (Ophthalmology) Physician providers are there in the US?
There are 913 Retina Specialist (Ophthalmology) Physician providers across 48 states in the US. The average Retina Specialist (Ophthalmology) Physician provider writes 558 Medicare Part D claims per year.
What drugs does Brian Kosobucki, M.D. prescribe most often?
Based on 2023 Medicare Part D data, Brian Kosobucki, M.D.'s most frequently prescribed drugs include Ketorolac Tromethamine, Prednisolone Acetate, Brimonidine Tartrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Brian Kosobucki, M.D. accept Medicare?
Brian Kosobucki, M.D. appears in CMS Medicare data with 3,451 Part D claims and 443 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Brian Kosobucki, M.D.'s credentials?
Brian Kosobucki, M.D.'s NPI is 1366548174 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

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 (2023). 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 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

Compiled from official public sources by the PlainDoctor editorial team.