2026 NPPES data Hepatology Physician NPI 1518125194 MD
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MARCO OLIVERA MARTINEZ, MD

Hepatology 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
851
Medicare Part D claims · 171 beneficiaries · Hepatology Physician avg: 803

What the federal data shows

MARCO OLIVERA MARTINEZ, MD filed 851 Medicare Part D claims in 2023 as a Hepatology Physician in OMAHA, Nebraska.

851
Part D claims, 2023
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.

MARCO OLIVERA MARTINEZ, MD's Medicare Part D volume vs every U.S. prescriber

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

851 Top 27% higher than 73% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). This entry sits in this band. 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

Board certification likely (heuristic — not verified)

MARCO OLIVERA MARTINEZ, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations — 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 MARCO OLIVERA MARTINEZ, MD?

Quality data not reported

NPI registry status

Active

Issued 05/30/2008

NPI 1518125194

Primary specialty

Hepatology Physician

Rare

281 US NPIs in this specialty

Medicare Part D claims

851 6% vs specialty avg

2023 prescription claims

Specialty avg: 803

Specialty distribution in Nebraska

How Hepatology Physician compares to other specialties among Nebraska providers

Nebraska providers

Hepatology Physician share within Nebraska

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Hepatology 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).

MARCO OLIVERA MARTINEZ, MD appears in the CMS NPPES registry as a Hepatology Physician provider holding MD credentials at 988102 NEBRASKA MEDICAL CTR, OMAHA, NE, 68198, with a listed phone of (402) 559-4015. NPI 1518125194 was issued on 05/30/2008. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what OLIVERA MARTINEZ 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 851 prescription claims written by this provider, covering 171 Medicare beneficiaries and totaling roughly $362K in drug spend. 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.

Hepatology Physician is a narrow specialty nationwide, with 281 enrolled providers across 36 states and an average of 803 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

988102 NEBRASKA MEDICAL CTR
OMAHA, NE 68198

Provider Details

NPI 1518125194
Specialty Hepatology Physician
Credentials MD
Gender Male
NPI Issued 05/30/2008

Hospital and facility affiliations

Facilities where MARCO OLIVERA MARTINEZ, 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.

CENTRAL IOWA HOSPITAL CORPORATION
DES MOINES, IA
UNMC PHYSICIANS
OMAHA, NE

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

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

851
Total Claims
$362K
Total Drug Cost
171
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,445
Total Day Supply
42,175
Generic Drug Cost
$138K
Antibiotic Claims
80

Patient Demographics

Average Patient Age
64.3 years
Avg HCC Risk Score
2.85
Gender Split
52% female / 48% male
Age Distribution
<65: 54, 65-74: 97, 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.

What MARCO OLIVERA MARTINEZ, MD 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
Tacrolimus
138
Ursodiol
62
Furosemide
55
Prednisone
55
Pantoprazole Sodium
51
Xifaxan
Rifaximin
47
Spironolactone
35
Entecavir
28
Vemlidy
Tenofovir Alafenamide
26
Everolimus
23

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

Hepatology Physician Overview

How MARCO OLIVERA MARTINEZ, MD fits within the Hepatology Physician landscape nationally.

281
Hepatology Physician Providers in US
36
States with Hepatology Physician
803
Avg Claims per Provider

MARCO OLIVERA MARTINEZ, MD's 851 claims are above the specialty average of 803.

Nearby Hepatology Physician Providers in Nebraska

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

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

Frequently Asked Questions

What is MARCO OLIVERA MARTINEZ, MD's specialty?
MARCO OLIVERA MARTINEZ, MD specializes in Hepatology Physician and practices in OMAHA, Nebraska. Credentials: MD.
How much does MARCO OLIVERA MARTINEZ, MD prescribe under Medicare Part D?
In 2023, MARCO OLIVERA MARTINEZ, MD wrote 851 Medicare Part D claims totaling $362K in drug costs for 171 beneficiaries.
Where is MARCO OLIVERA MARTINEZ, MD located?
MARCO OLIVERA MARTINEZ, MD is located at 988102 NEBRASKA MEDICAL CTR, OMAHA, NE, 68198. Phone: (402) 559-4015.
What is MARCO OLIVERA MARTINEZ, MD's NPI number?
MARCO OLIVERA MARTINEZ, MD's National Provider Identifier (NPI) is 1518125194, issued on 05/30/2008.
How many Hepatology Physician providers are there in the US?
There are 281 Hepatology Physician providers across 36 states in the US. The average Hepatology Physician provider writes 803 Medicare Part D claims per year.
What drugs does MARCO OLIVERA MARTINEZ, MD prescribe most often?
Based on 2023 Medicare Part D data, MARCO OLIVERA MARTINEZ, MD's most frequently prescribed drugs include Tacrolimus, Ursodiol, Furosemide. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARCO OLIVERA MARTINEZ, MD accept Medicare?
MARCO OLIVERA MARTINEZ, MD appears in CMS Medicare data with 851 Part D claims and 171 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARCO OLIVERA MARTINEZ, MD's credentials?
MARCO OLIVERA MARTINEZ, MD's NPI is 1518125194 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.
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