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Family Practice

Nicholas Skyba Ii, DO

Works at hospitals in Winfield, IL · McHenry, IL · Illinois

Summary

Dr. Nicholas Skyba Ii, DO is a family doctor at 650 Dakota St, Suite A, Crystal Lake, IL 60012. Phone: (815) 455-6000. Accepts Medicare assignment. In 2024, Nicholas Skyba Ii had 366 Original Medicare patients and 699 services. NPI 1932338050. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas Skyba Ii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Nicholas Skyba Ii accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas Skyba Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Nicholas Skyba Ii see?
In 2024, CMS data shows 366 Original Medicare patients and 699 services for Nicholas Skyba Ii. This counts Original Medicare only and measures volume, not quality.
What is Nicholas Skyba Ii's NPI number?
1932338050. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Nicholas Skyba Ii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients366
Services billed to Medicare699
Different services or procedures37
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)195 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)172 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)45 services
  4. Administration of influenza virus vaccine (G0008)43 services
  5. Influenza vaccine split virus, preservative free (90662)40 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure73%
  • Arthritis48%
  • Ischemic heart disease30%
  • Anxiety29%
  • Diabetes26%

Hospitals where Nicholas Skyba Ii works

Medicare's Facility Affiliation Data lists Nicholas Skyba Ii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Nicholas Skyba Ii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicholas Skyba Ii as a member of this group (CMS data updated October 2, 2026).

  • Central Dupage Physician Group1,080 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Crystal Lake

Clinicians with the same Medicare primary specialty in Crystal Lake, IL — not a recommendation.

All family doctors in Crystal Lake →

Other clinicians in Central Dupage Physician Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932338050
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians