2026 NPPES data Optometrist NPI 1649233057 OD
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DALE SWETLISHNOFF, OD

Optometrist in BENLD, 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
245
Medicare Part D claims · 86 beneficiaries · Optometrist avg: 257
Generic prescribing
58%
generic claims · 42% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

DALE SWETLISHNOFF, OD filed 245 Medicare Part D claims in 2023 as a Optometrist in BENLD, Illinois, prescribing 58% generic.

245
Part D claims, 2023
58%
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.

DALE SWETLISHNOFF, OD's Medicare Part D volume vs every U.S. prescriber

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

245 49th percentile higher than 49% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 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 DALE SWETLISHNOFF, OD?

Quality data not reported

NPI registry status

Active

Issued 04/07/2006

NPI 1649233057

Primary specialty

Optometrist

High-volume

60,463 US NPIs in this specialty

Medicare Part D claims

245 5% vs specialty avg

2023 prescription claims

Specialty avg: 257

Specialty distribution in Illinois

How Optometrist compares to other specialties among Illinois providers

Illinois providers

Optometrist share within Illinois

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

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).

DALE SWETLISHNOFF, OD appears in the CMS NPPES registry as a Optometrist provider holding OD credentials at 600 S 8TH ST, BENLD, IL, 62009, with a listed phone of (217) 835-7724. NPI 1649233057 was issued on 04/07/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SWETLISHNOFF 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 245 prescription claims written by this provider, covering 86 Medicare beneficiaries and totaling roughly $31K in drug spend, split 42% brand-name and 58% 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

600 S 8TH ST
BENLD, IL 62009

Provider Details

NPI 1649233057
Specialty Optometrist
Credentials OD
Gender Male
NPI Issued 04/07/2006

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 DALE SWETLISHNOFF, OD. To verify DALE SWETLISHNOFF, OD'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 · Above average

DALE SWETLISHNOFF, OD — brand share 42.0%
Specialty average (est.)

42% brand-name claims vs 58% generic, on 245 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.

245
Total Claims
$31K
Total Drug Cost
86
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
473
Total Day Supply
13,504
Brand vs Generic
42% brand / 58% generic
Brand Drug Cost
$28K
Generic Drug Cost
$3K

Patient Demographics

Average Patient Age
75.5 years
Avg HCC Risk Score
0.95
Gender Split
64% female / 36% male

Top Prescribed Drugs (Medicare Part D)

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

What DALE SWETLISHNOFF, OD 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
105
Timolol Maleate
67
Erythromycin
Erythromycin Base
11
Xiidra
Lifitegrast
11

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

Optometrist Overview

How DALE SWETLISHNOFF, OD fits within the Optometrist landscape nationally.

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

DALE SWETLISHNOFF, OD's 245 claims are below the specialty average of 257.

Nearby Optometrist Providers in Illinois

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

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

Frequently Asked Questions

What is DALE SWETLISHNOFF, OD's specialty?
DALE SWETLISHNOFF, OD specializes in Optometrist and practices in BENLD, Illinois. Credentials: OD.
How much does DALE SWETLISHNOFF, OD prescribe under Medicare Part D?
In 2023, DALE SWETLISHNOFF, OD wrote 245 Medicare Part D claims totaling $31K in drug costs for 86 beneficiaries.
Where is DALE SWETLISHNOFF, OD located?
DALE SWETLISHNOFF, OD is located at 600 S 8TH ST, BENLD, IL, 62009. Phone: (217) 835-7724.
What is DALE SWETLISHNOFF, OD's NPI number?
DALE SWETLISHNOFF, OD's National Provider Identifier (NPI) is 1649233057, issued on 04/07/2006.
Does DALE SWETLISHNOFF, OD prescribe more brand-name or generic drugs?
DALE SWETLISHNOFF, OD's prescribing is 42% brand-name and 58% generic drugs by claim count, with $28K 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 DALE SWETLISHNOFF, OD prescribe most often?
Based on 2023 Medicare Part D data, DALE SWETLISHNOFF, OD's most frequently prescribed drugs include Latanoprost, Timolol Maleate, Erythromycin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does DALE SWETLISHNOFF, OD accept Medicare?
DALE SWETLISHNOFF, OD appears in CMS Medicare data with 245 Part D claims and 86 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify DALE SWETLISHNOFF, OD's credentials?
DALE SWETLISHNOFF, OD's NPI is 1649233057 with credentials OD. 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