DR. NISHAN CHOBANIAN JR. MD
NPI 1104813633
Obstetrics & Gynecology - Gynecologic Oncology in Saint Louis, MO
About Dr. Nishan Chobanian Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NISHAN CHOBANIAN JR. MD (NPI 1104813633) is an individual gynecologic oncology provider in Saint Louis, Missouri, licensed in Michigan (4301110735) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Nishan Chobanian Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Nishan Chobanian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Darby, MT 59829
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1659475846 (Montana)
- 154 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 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.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
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 Nishan Chobanian's NPI number?
The NPI number for Nishan Chobanian is 1104813633. It was assigned to this individual provider in the NPPES registry on September 30, 2005.
Where is Nishan Chobanian located?
Nishan Chobanian practices at 607 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-4260.
What is Nishan Chobanian's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Nishan Chobanian enrolled in Medicare?
Yes. Nishan Chobanian is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Nishan Chobanian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nishan Chobanian reassigns Medicare benefits to Marcus Daly Memorial Hospital Corporation (Darby, MT). The 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 Nishan Chobanian'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 Nishan Chobanian was last updated on January 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Nishan Chobanian Jr., MD · NPI 1104813633
Gynecologic Oncology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since September 30, 2005.
## Identity
- **NPI:** 1104813633 (Entity type: Individual)
- **Enumerated:** September 30, 2005
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** 4301110735 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 607 S NEW BALLAS RD, Saint Louis, MO 63141-8222
- **Phone:** (314) 251-4260
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Marcus Daly Memorial Hospital Corporation (NPI 1396191276, Darby, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 3, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1104813633) · Data from the CMS NPPES public registry.