Maryna Shayuk, MD
NPI 1245493659 · Hospitalist Physician · Mchenry, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryna Shayuk, MD is a Hospitalist Physician provider in Mchenry, IL (NPI 1245493659).
Provider details
- NPI number
- 1245493659
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036127215 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
706 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 325 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 182 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 113 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 53 | $172 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $130 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 800 E Carpenter StSpringfield, IL 62702-5324Phone: (217) 544-6464Fax: (217) 492-9643
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2022-07-21
Frequently asked questions
- What is Maryna Shayuk's NPI number?
- Maryna Shayuk's National Provider Identifier (NPI) is 1245493659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryna Shayuk's specialty?
- Maryna Shayuk is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Maryna Shayuk located?
- Maryna Shayuk's practice location on file with NPPES is 4309 W Medical Center Dr Ste A102, Mchenry, IL 60050-8436.
- What is Maryna Shayuk's phone number?
- The practice phone number listed in the NPPES registry for Maryna Shayuk is (815) 338-6600.
- Does Maryna Shayuk accept Medicare?
- Maryna Shayuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryna Shayuk's NPI active?
- Yes — Maryna Shayuk's NPI (1245493659) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.