JIHAN RYU
NPI 1285167817
Psychiatry & Neurology - Psychiatry in New York, NY
About Jihan Ryu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JIHAN RYU (NPI 1285167817) is an individual psychiatry provider in New York, New York, licensed in New York (299402) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Corona, and is a graduate of Geisel School Of Medicine At Dartmouth (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Jihan Ryu 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 Reassignment
Medicare enrollment records show Jihan Ryu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 10 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 10002 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.
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 Jihan Ryu's NPI number?
The NPI number for Jihan Ryu is 1285167817. It was assigned to this individual provider in the NPPES registry on April 10, 2017.
Where is Jihan Ryu located?
Jihan Ryu practices at 253 South St, New York, NY 10002. The listed phone number is (646) 740-1055.
What is Jihan Ryu's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Jihan Ryu enrolled in Medicare?
Yes. Jihan Ryu 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 organization bills Medicare for Jihan Ryu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jihan Ryu reassigns Medicare benefits to Hamilton Madison House, Inc (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 Jihan Ryu'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 Jihan Ryu was last updated on February 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Jihan Ryu · NPI 1285167817
Psychiatry physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 10, 2017.
## Identity
- **NPI:** 1285167817 (Entity type: Individual)
- **Enumerated:** April 10, 2017
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 299402 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 253 SOUTH ST, New York, NY 10002-7827
- **Phone:** (646) 740-1055
## 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:** Hamilton Madison House, Inc (NPI 1588610604, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Geisel School Of Medicine At Dartmouth, class of 2017
## Record status
- **NPPES last updated:** February 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285167817) · Data from the CMS NPPES public registry.