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DR. ALEX O SINELNIKOV MD
NPI 1932168887
Radiology - Diagnostic Radiology in Boston, MA

Active since March 20, 2006PECOS Enrolled
55 FRUIT STREET FND 216, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 724-4255(617) 726-3077 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alex O Sinelnikov Md NPPES

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

DR. ALEX O SINELNIKOV MD (NPI 1932168887) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (220852) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932168887
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. ALEX O SINELNIKOVCredential: MD
Location Address55 FRUIT STREET FND 216, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 724-4255
Fax(617) 726-3077
Sole ProprietorNo
Enumeration DateMarch 20, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1932168887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MA · 220852
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
55 FRUIT STREET FND 216, Boston, MA 02114
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc, HMO Louisiana, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alex O Sinelnikov Md 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

5

Medicare enrollment records show Alex Sinelnikov reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Avenue Professional Services, PC
196 mi
Critical Care Medicine
111 CENTRAL AVE
Newark, NJ 07102
  • Reassigned Medicare billing, Florida enrollment
  • 2 clinicians in this Medicare group
NPI 1447649694 (973) 877-5300
Franklin Parish Hospital Service Dist 1
1,332 mi
Rural
2106 LOOP RD
Winnsboro, LA 71295
  • Reassigned Medicare billing, Louisiana enrollment
  • 144 clinicians in this Medicare group
NPI 1619143120 (318) 435-9411
Concordia Parish Hospital Service District Number One
1,348 mi
Family Medicine
6569 HIGHWAY 84
Ferriday, LA 71334
  • Reassigned Medicare billing, Louisiana enrollment
  • 63 clinicians in this Medicare group
NPI 1952565335 (318) 757-6551
Jackson Parish Hospital
1,375 mi
Critical Access
165 BEECH SPRINGS RD
Jonesboro, LA 71251
  • Reassigned Medicare billing, Louisiana enrollment
  • 67 clinicians in this Medicare group
NPI 1093793408 (318) 259-4435
Clhg-Ville Platte LLC
1,419 mi
Rural Health
536 VETERANS BLVD
Washington, LA 70589
  • Reassigned Medicare billing, Louisiana enrollment
  • 84 clinicians in this Medicare group
NPI 1376911735 (337) 826-7702

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Alex Sinelnikov's NPI number?

The NPI number for Alex Sinelnikov is 1932168887. It was assigned to this individual provider in the NPPES registry on March 20, 2006.

Where is Alex Sinelnikov located?

Alex Sinelnikov practices at 55 Fruit Street Fnd 216 Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 724-4255.

What is Alex Sinelnikov's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Alex Sinelnikov enrolled in Medicare?

Yes. Alex Sinelnikov is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alex Sinelnikov's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Sinelnikov reassigns Medicare benefits to 5 organizations: Central Avenue Professional Services, PC (Newark, NJ), Franklin Parish Hospital Service Dist 1 (Winnsboro, LA), Concordia Parish Hospital Service District Number One (Ferriday, LA), Jackson Parish Hospital (Jonesboro, LA) and Clhg-Ville Platte LLC (Washington, LA). 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 Alex Sinelnikov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alex Sinelnikov accept?

Health plans from Cigna HealthCare of Arizona, Inc, HMO Louisiana and UnitedHealthcare list Alex Sinelnikov 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 Alex Sinelnikov was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.