2026 NPPES data Hematology & Oncology Physician NPI 1427512847 MD
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Pedro Hermida De Viveiros, MD

Hematology & Oncology Physician in Chicago, Illinois.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 11,215 in Hematology & Oncology 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
105
Medicare Part D claims · 29 beneficiaries · Hematology & Oncology Physician avg: 847
Industry payments
$61.3K
153 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Pedro Hermida De Viveiros, MD filed 105 Medicare Part D claims in 2023 as a Hematology & Oncology Physician in Chicago, Illinois.

105
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.

Pedro Hermida De Viveiros, MD's Medicare Part D volume vs every U.S. prescriber

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

105 35th percentile higher than 35% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 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. 2K+: 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)

Pedro Hermida De Viveiros, MD 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).

What does the federal data show about Pedro Hermida De Viveiros, MD?

Quality data not reported

NPI registry status

Active

Issued 01/30/2019

NPI 1427512847

Primary specialty

Hematology & Oncology Physician

Mid-sized

11,215 US NPIs in this specialty

Medicare Part D claims

105 88% vs specialty avg

2023 prescription claims

Specialty avg: 847

Specialty distribution in Illinois

How Hematology & Oncology Physician compares to other specialties among Illinois providers

Illinois providers
Clinical Social Worker - 5.2%Clinical Social Worker5.2%Physical Therapist - 5%Physical Therapist5%Mental Health Counselor - 4.5%Mental Health Counselor4.5%Speech-Language Pathologist - 4.2%Speech-Language Pathologist4.2%Student in an Organized Health Care Education/Training Program - 4.2%Student in an Organized Health Care Education/Training Program4.2%Pharmacist - 4.1%Pharmacist4.1%Hematology & Oncology Physician - 0.2%Hematology & Oncology Physician0.2%
Largest specialties in Illinois (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Hematology & Oncology Physician. Verify directly:

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).

Pedro Hermida De Viveiros, MD appears in the CMS NPPES registry as a Hematology & Oncology Physician provider holding MD credentials at 233 E SUPERIOR ST FL 1, Chicago, IL, 60611, with a listed phone of (312) 926-9636. NPI 1427512847 was issued on 01/30/2019.

Medicare Part D records for calendar year 2023 show 105 prescription claims written by this provider, covering 29 Medicare beneficiaries and totaling roughly $148K in drug spend, with an opioid prescribing rate of 12.4%.

Hematology & Oncology Physician is a mid-sized specialty nationwide, with 11,215 enrolled providers across 54 states and an average of 847 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

233 E SUPERIOR ST FL 1
Chicago, IL 60611

Provider Details

NPI 1427512847
Specialty Hematology & Oncology Physician
Credentials MD
Gender Male
NPI Issued 01/30/2019

Hospital and facility affiliations

Facilities where Pedro Hermida De Viveiros, 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
Chicago, 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).

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 Pedro Hermida De Viveiros, MD. Source: openpaymentsdata.cms.gov.

Total received

$61.3K

Largest payer

SpringWorks Therapeutics, Inc.

Most common payment type

Travel and Lodging

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.

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 Pedro Hermida De Viveiros, MD. To verify Pedro Hermida De Viveiros, 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.

Medicare Part D Prescribing Data

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

105
Total Claims
$148K
Total Drug Cost
29
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
124
Total Day Supply
2,943
Generic Drug Cost
$69K
Opioid Claims
13 (12.4% rate)

Patient Demographics

Average Patient Age
71.1 years
Avg HCC Risk Score
2.50
Gender Split
55% female / 45% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Imatinib Mesylate
12

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

Hematology & Oncology Physician Overview

How Pedro Hermida De Viveiros, MD fits within the Hematology & Oncology Physician landscape nationally.

11,215
Hematology & Oncology Physician Providers in US
54
States with Hematology & Oncology Physician
847
Avg Claims per Provider

Pedro Hermida De Viveiros, MD's 105 claims are below the specialty average of 847.

Nearby Hematology & Oncology Physician Providers in Illinois

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

Compare Hematology & Oncology 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 Illinois medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Hematology & Oncology 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 Pedro Hermida De Viveiros, MD's specialty?
Pedro Hermida De Viveiros, MD specializes in Hematology & Oncology Physician and practices in Chicago, Illinois. Credentials: MD.
How much does Pedro Hermida De Viveiros, MD prescribe under Medicare Part D?
In 2023, Pedro Hermida De Viveiros, MD wrote 105 Medicare Part D claims totaling $148K in drug costs for 29 beneficiaries.
Where is Pedro Hermida De Viveiros, MD located?
Pedro Hermida De Viveiros, MD is located at 233 E SUPERIOR ST FL 1, Chicago, IL, 60611. Phone: (312) 926-9636.
What is Pedro Hermida De Viveiros, MD's NPI number?
Pedro Hermida De Viveiros, MD's National Provider Identifier (NPI) is 1427512847, issued on 01/30/2019.
Does Pedro Hermida De Viveiros, MD prescribe opioids?
Yes, Pedro Hermida De Viveiros, MD had 13 opioid claims in 2023 with an opioid prescribing rate of 12.4%.
How many Hematology & Oncology Physician providers are there in the US?
There are 11,215 Hematology & Oncology Physician providers across 54 states in the US. The average Hematology & Oncology Physician provider writes 847 Medicare Part D claims per year.
What drugs does Pedro Hermida De Viveiros, MD prescribe most often?
Based on 2023 Medicare Part D data, Pedro Hermida De Viveiros, MD's most frequently prescribed drugs include Imatinib Mesylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Pedro Hermida De Viveiros, MD accept Medicare?
Pedro Hermida De Viveiros, MD appears in CMS Medicare data with 105 Part D claims and 29 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Pedro Hermida De Viveiros, MD's credentials?
Pedro Hermida De Viveiros, MD's NPI is 1427512847 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

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.
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.