CHRISTOPHER OH M.D.
NPI 1891159257
Family Medicine in Bronx, NY
About Christopher Oh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER OH M.D. (NPI 1891159257) is an individual family medicine provider in Bronx, New York, licensed in New York (298359) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and maintains a secondary practice location in Bronx.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Christopher Oh M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Christopher Oh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10455 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Christopher Oh's NPI number?
The NPI number for Christopher Oh is 1891159257. It was assigned to this individual provider in the NPPES registry on April 11, 2016.
Where is Christopher Oh located?
Christopher Oh practices at 730 Brook Ave, Bronx, NY 10455. The listed phone number is (718) 484-1247.
What is Christopher Oh's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Christopher Oh enrolled in Medicare?
Yes. Christopher Oh is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Christopher Oh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Oh reassigns Medicare benefits to Montefiore Medical Center (New York, NY). 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 Christopher Oh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Christopher Oh affiliated with any hospitals?
According to CMS data, Christopher Oh is affiliated with Montefiore Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Oh was last updated on November 8, 2019. 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.
# Christopher Oh, M.D. · NPI 1891159257
Family Medicine physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since April 11, 2016.
## Identity
- **NPI:** 1891159257 (Entity type: Individual)
- **Enumerated:** April 11, 2016
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 298359 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 730 BROOK AVE, Bronx, NY 10455-1333
- **Phone:** (718) 484-1247
## 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:** Montefiore Medical Center (NPI 1760288278, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 8, 2019
- **Other identifiers:** Other 298359 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1891159257) · Data from the CMS NPPES public registry.