2026 NPPES data Emergency Medicine Physician NPI 1194454868 DO
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RYAN ANTONAWICH, DO

Emergency Medicine Physician in OMAHA, Nebraska. 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
666
Medicare Part D claims · 107 beneficiaries · Emergency Medicine Physician avg: 352
Generic prescribing
76%
generic claims · 24% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$409.92
4 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: RYAN ANTONAWICH, DO is a Emergency Medicine Physician ([object Object]) practicing in OMAHA, Nebraska with a Medicare Part D prescribing footprint of 666 claims across 107 beneficiaries — 24% brand-name prescribing . Industry payments of $409.92 across 4 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: RYAN ANTONAWICH, DO filed 666 Medicare Part D claims in 2023 across OMAHA, Nebraska. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

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

RYAN ANTONAWICH, DO at a glance

Quality data not reported

NPI registry status

Active

Issued 06/08/2022

NPI 1194454868

Primary specialty

Emergency Medicine Physician

High-volume

64,398 US NPIs in this specialty

Medicare Part D claims

666 89% vs specialty avg

2023 prescription claims

Specialty avg: 352

Specialty distribution in Nebraska

How Emergency Medicine Physician compares to other specialties among Nebraska providers

Nebraska providers

Emergency Medicine Physician share within Nebraska

1. Emergency Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Emergency Medicine Physician share within Nebraska

Specialty board-certification context

Estimated specialty board-certified rate — Emergency Medicine Physician (ABMS / AOA reference)

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

Est. board-certified rate (Emergency Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Emergency Medicine Physician) — 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).

RYAN ANTONAWICH, DO is a Emergency Medicine Physician provider practicing in OMAHA, Nebraska, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: DO. NPI: 1194454868. 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.

RYAN ANTONAWICH, DO appears in the CMS NPPES registry as a Emergency Medicine Physician provider holding DO credentials at 983075 NEBRAKSA MEDICAL CENTER, OMAHA, NE, 68198, with a listed phone of (402) 559-0268. NPI 1194454868 was issued on 06/08/2022. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ANTONAWICH 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 666 prescription claims written by this provider, covering 107 Medicare beneficiaries and totaling roughly $139K in drug spend, split 24% brand-name and 76% 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.

Emergency Medicine Physician is a high-volume specialty nationwide, with 64,398 enrolled providers across 56 states and an average of 352 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

983075 NEBRAKSA MEDICAL CENTER
OMAHA, NE 68198

Provider Details

NPI 1194454868
Specialty Emergency Medicine Physician
Credentials DO
Gender Male
NPI Issued 06/08/2022

Hospital and facility affiliations

Facilities where RYAN ANTONAWICH, DO 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.

CEP AMERICA LLC
TAWAS CITY, MI

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

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 RYAN ANTONAWICH, DO. Source: openpaymentsdata.cms.gov.

Total received

$410

Largest payer

Corium, LLC

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 · Typical

RYAN ANTONAWICH, DO — brand share 24.0%
Specialty average (est.)

24% brand-name claims vs 76% generic, on 666 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.

666
Total Claims
$139K
Total Drug Cost
107
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,322
Total Day Supply
38,973
Brand vs Generic
24% brand / 76% generic
Brand Drug Cost
$126K
Generic Drug Cost
$12K

Patient Demographics

Average Patient Age
64.6 years
Avg HCC Risk Score
1.67
Gender Split
60% female / 40% male
Age Distribution
<65: 47, 65-74: 37, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Atorvastatin Calcium
55
Omeprazole
31
Lisinopril
30
Gabapentin
20
Albuterol Sulfate Hfa
Albuterol Sulfate
17
Metformin Hcl
17
Levothyroxine Sodium
15
Montelukast Sodium
15
Rosuvastatin Calcium
15
Myrbetriq
Mirabegron
14

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

Emergency Medicine Physician Overview

How RYAN ANTONAWICH, DO fits within the Emergency Medicine Physician landscape nationally.

64,398
Emergency Medicine Physician Providers in US
56
States with Emergency Medicine Physician
352
Avg Claims per Provider

RYAN ANTONAWICH, DO's 666 claims are above the specialty average of 352.

Nearby Emergency Medicine Physician Providers in Nebraska

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

Compare Emergency Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is RYAN ANTONAWICH, DO's specialty?
RYAN ANTONAWICH, DO specializes in Emergency Medicine Physician and practices in OMAHA, Nebraska. Credentials: DO.
How much does RYAN ANTONAWICH, DO prescribe under Medicare Part D?
In 2023, RYAN ANTONAWICH, DO wrote 666 Medicare Part D claims totaling $139K in drug costs for 107 beneficiaries.
Where is RYAN ANTONAWICH, DO located?
RYAN ANTONAWICH, DO is located at 983075 NEBRAKSA MEDICAL CENTER, OMAHA, NE, 68198. Phone: (402) 559-0268.
What is RYAN ANTONAWICH, DO's NPI number?
RYAN ANTONAWICH, DO's National Provider Identifier (NPI) is 1194454868, issued on 06/08/2022.
Does RYAN ANTONAWICH, DO prescribe more brand-name or generic drugs?
RYAN ANTONAWICH, DO's prescribing is 24% brand-name and 76% generic drugs by claim count, with $126K in brand drug costs.
How many Emergency Medicine Physician providers are there in the US?
There are 64,398 Emergency Medicine Physician providers across 56 states in the US. The average Emergency Medicine Physician provider writes 352 Medicare Part D claims per year.
What drugs does RYAN ANTONAWICH, DO prescribe most often?
Based on 2023 Medicare Part D data, RYAN ANTONAWICH, DO's most frequently prescribed drugs include Atorvastatin Calcium, Omeprazole, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does RYAN ANTONAWICH, DO accept Medicare?
RYAN ANTONAWICH, DO appears in CMS Medicare data with 666 Part D claims and 107 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify RYAN ANTONAWICH, DO's credentials?
RYAN ANTONAWICH, DO's NPI is 1194454868 with credentials DO. 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