2026 NPPES data Ophthalmology Physician NPI 1154395663 MD
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ROBERT ALLAR, MD

Ophthalmology Physician in NAPERVILLE, Illinois. 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
194
Medicare Part D claims · 83 beneficiaries · Ophthalmology Physician avg: 1K
Generic prescribing
84%
generic claims · 16% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
97.0292/100
▲ 14 pts above national avg 83.1 · [object Object]
What the federal data reveals: ROBERT ALLAR, MD is a Ophthalmology Physician ([object Object]) practicing in NAPERVILLE, Illinois with a Medicare Part D prescribing footprint of 194 claims across 83 beneficiaries — 16% brand-name prescribing . Their CMS MIPS Final Score of 97.0292/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: ROBERT ALLAR, MD reported a CMS MIPS final score of 97.0292 out of 100, above the 83.1 national average, and filed 194 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

ROBERT ALLAR, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

ROBERT ALLAR, MD at a glance

High performer (top quartile)

NPI registry status

Active

Issued 02/14/2006

NPI 1154395663

Primary specialty

Ophthalmology Physician

Mid-sized

22,090 US NPIs in this specialty

Medicare Part D claims

194 86% vs specialty avg

2023 prescription claims

Specialty avg: 1,420

MIPS final score

97.0292/100 13.929200000000009% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Illinois

How Ophthalmology Physician compares to other specialties among Illinois providers

Illinois providers

Ophthalmology Physician share within Illinois

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

Medicare quality performance — MIPS

ROBERT ALLAR, MD's 2023 MIPS final score plotted against the Ophthalmology Physician national average

High performer (top quartile)
MIPS Final Score
97.0292/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Ophthalmology Physician) — 97.0292/100 vs national avg 83.1

0%100%National avg83%97%
MIPS final score (Ophthalmology Physician) — 97.0292/100 vs national avg 83.1

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).

ROBERT ALLAR, MD is a Ophthalmology Physician provider practicing in NAPERVILLE, Illinois, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1154395663. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

ROBERT ALLAR, MD appears in the CMS NPPES registry as a Ophthalmology Physician provider holding MD credentials at 1020 E OGDEN AVE, NAPERVILLE, IL, 60563, with a listed phone of (630) 717-1311. NPI 1154395663 was issued on 02/14/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ALLAR 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 194 prescription claims written by this provider, covering 83 Medicare beneficiaries and totaling roughly $16K in drug spend, split 16% brand-name and 84% 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. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 97.0292/100 for the 2023 performance year (Quality 90), compared with the national average of 83.1.

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

1020 E OGDEN AVE
NAPERVILLE, IL 60563

Provider Details

NPI 1154395663
Specialty Ophthalmology Physician
Credentials MD
Gender Male
NPI Issued 02/14/2006

CMS Quality Score (MIPS)

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

97.0292
Final Score
Avg: 83.1
90
Quality

Reporting: Individual

Hospital and facility affiliations

Facilities where ROBERT ALLAR, MD 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.

NORTHWESTERN MEDICAL FACULTY FOUNDATION
LAKE FOREST, 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).

License & disciplinary context — Illinois IDFPR 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 ~42K Illinois medical licensees in 2023 — they are NOT specific to ROBERT ALLAR, MD. To verify ROBERT ALLAR, MD's current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases

IDFPR 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 Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

ROBERT ALLAR, MD — brand share 16.0%
Specialty average (est.)

16% brand-name claims vs 84% generic, on 194 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.

194
Total Claims
$16K
Total Drug Cost
83
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
273
Total Day Supply
7,692
Brand vs Generic
16% brand / 84% generic
Brand Drug Cost
$11K
Generic Drug Cost
$5K

Patient Demographics

Average Patient Age
79.7 years
Avg HCC Risk Score
1.45
Gender Split
58% female / 42% male
Age Distribution
<65: 0, 65-74: 20, 75-84: 44, 85+: 19

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Ofloxacin
83
Ketorolac Tromethamine
63
Prolensa
Bromfenac Sodium
21
Latanoprost
13

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

Ophthalmology Physician Overview

How ROBERT ALLAR, MD 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

ROBERT ALLAR, MD's 194 claims are below the specialty average of 1,420.

Nearby Ophthalmology Physician Providers in Illinois

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

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

Frequently Asked Questions

What is ROBERT ALLAR, MD's specialty?
ROBERT ALLAR, MD specializes in Ophthalmology Physician and practices in NAPERVILLE, Illinois. Credentials: MD.
How much does ROBERT ALLAR, MD prescribe under Medicare Part D?
In 2023, ROBERT ALLAR, MD wrote 194 Medicare Part D claims totaling $16K in drug costs for 83 beneficiaries.
What is ROBERT ALLAR, MD's Medicare quality score?
ROBERT ALLAR, MD has a CMS MIPS Final Score of 97.0292/100 (Quality: 90). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is ROBERT ALLAR, MD located?
ROBERT ALLAR, MD is located at 1020 E OGDEN AVE, NAPERVILLE, IL, 60563. Phone: (630) 717-1311.
What is ROBERT ALLAR, MD's NPI number?
ROBERT ALLAR, MD's National Provider Identifier (NPI) is 1154395663, issued on 02/14/2006.
Does ROBERT ALLAR, MD prescribe more brand-name or generic drugs?
ROBERT ALLAR, MD's prescribing is 16% brand-name and 84% generic drugs by claim count, with $11K 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 ROBERT ALLAR, MD prescribe most often?
Based on 2023 Medicare Part D data, ROBERT ALLAR, MD's most frequently prescribed drugs include Ofloxacin, Ketorolac Tromethamine, Prolensa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ROBERT ALLAR, MD accept Medicare?
ROBERT ALLAR, MD appears in CMS Medicare data with 194 Part D claims and 83 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ROBERT ALLAR, MD's credentials?
ROBERT ALLAR, MD's NPI is 1154395663 with credentials MD. 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.
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