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IHOR BILYK
NPI 1871545400
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA

Active since May 16, 2006PECOS Enrolled

NPPES record last updated: August 6, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 6, 2021, Jul 9, 2021, Dec 17, 2015 (3 updates tracked since 2015).

About Ihor Bilyk NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IHOR BILYK (NPI 1871545400) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in Massachusetts (234346) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1871545400
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameIHOR BILYK
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address28 Highview Rd Ste 210Rockport, MA 01966-2209 · (260) 348-6235
Phone(617) 726-2000
Sole ProprietorNo
Enumeration DateMay 16, 2006
Last NPPES UpdateAugust 6, 20213 updates tracked since enumeration
NPPES CertifiedAugust 6, 2021
✔ NPI 1871545400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in MA · 234346✔ Licensed in WI · 64570-20✔ Licensed in IN · 01042406A✔ Licensed in CT · 54780
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11000 Haddonfield Berlin Rd, Suite 210Voorhees, NJ 08043-3520 · Phone (856) 782-2212
Location 2123 Summer StWorcester, MA 01608-1216 · Phone (508) 363-7449 · Fax (508) 363-7512
Location 3119 Belmont StWorcester, MA 01605-2903 · Phone (508) 363-7449 · Fax (508) 363-7512

Other Identifiers 6

Medicaid4229859MI
Medicaid100368270AIN
Medicaid110077701AMA
Medicaid979197OH
OtherC6628001Cshcs
Other000000111852Bc Bs Pin

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Oscar Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ihor Bilyk is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Ihor Bilyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Massachusetts General Physicians Organization Inc
Same address
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287
The General Hospital Corporation
Same address
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ihor Bilyk's NPI number?

The NPI number for Ihor Bilyk is 1871545400. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Ihor Bilyk located?

Ihor Bilyk practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.

What is Ihor Bilyk's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Ihor Bilyk enrolled in Medicare?

Yes. Ihor Bilyk is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ihor Bilyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ihor Bilyk reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ihor Bilyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ihor Bilyk accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Oscar Health, Oscar Insurance Company and Taro Health list Ihor Bilyk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ihor Bilyk was last updated on August 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.