DR. JOHN BOLDOG SMIRNIOTOPOULOS M.D.
NPI 1841618667
Radiology - Diagnostic Radiology in New York, NY
About Dr. John Boldog Smirniotopoulos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN BOLDOG SMIRNIOTOPOULOS M.D. (NPI 1841618667) is an individual diagnostic radiology provider in New York, New York, licensed in New York (280897) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Boldog Smirniotopoulos M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Smirniotopoulos reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 249 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Weill Cornell Imaging At New York Presbyterian
- 252 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 178 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
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 John Smirniotopoulos's NPI number?
The NPI number for John Smirniotopoulos is 1841618667. It was assigned to this individual provider in the NPPES registry on March 29, 2014.
Where is John Smirniotopoulos located?
John Smirniotopoulos practices at 525 East 68th Street Interventional Radiology, New York, NY 10065. The listed phone number is (202) 415-0142.
What is John Smirniotopoulos's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Smirniotopoulos enrolled in Medicare?
Yes. John Smirniotopoulos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Smirniotopoulos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Smirniotopoulos reassigns Medicare benefits to 4 organizations: Weill Medical College Of Cornell (New York, NY), Weill Cornell Imaging At Nyp (New York, NY), Medstar Medical Group II LLC (Baltimore, MD) and Medstar Medical Group Radiology, LLC (Washington, DC). 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 John Smirniotopoulos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Smirniotopoulos was last updated on September 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. John Boldog Smirniotopoulos, M.D. · NPI 1841618667
Diagnostic Radiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 29, 2014.
## Identity
- **NPI:** 1841618667 (Entity type: Individual)
- **Enumerated:** March 29, 2014
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 280897 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 525 EAST 68TH STREET, INTERVENTIONAL RADIOLOGY, New York, NY 10065
- **Phone:** (202) 415-0142
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1538109269, New York, NY); Weill Cornell Imaging At Nyp (NPI 1205013646, New York, NY); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); Medstar Medical Group Radiology, LLC (NPI 1326450156, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** September 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1841618667) · Data from the CMS NPPES public registry.