ANDREW RYU
NPI 1285337683
Emergency Medicine in Brooklyn, NY

Q: What is Andrew Ryu's NPI number?

The NPI number for Andrew Ryu is 1285337683. It was assigned to this individual provider in the NPPES registry on March 24, 2023.

Q: What is Andrew Ryu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Ryu was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since March 24, 2023PECOS Enrolled

4808 FORT HAMILTON PKWY, BROOKLYN, NY 11219(718) 283-6000 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Andrew Ryu NPPES

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

ANDREW RYU (NPI 1285337683) is an individual emergency medicine provider in Brooklyn, New York, licensed in New York (343270-01) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and is a graduate of New York Medical College (2023).

NPPES Registry Identity

NPI1285337683

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameANDREW RYU

Location Address4808 FORT HAMILTON PKWYBrooklyn, NY 11219

Mailing Address8855 Bay Pkwy Apt 2nBrooklyn, NY 11214-6422 · (646) 265-0926

Phone(718) 283-6000

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 2023

Enumeration DateMarch 24, 2023

Last NPPES UpdateJune 26, 2026

NPPES CertifiedJune 26, 2026

✔ NPI 1285337683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in NY · 343270-01

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

4808 FORT HAMILTON PKWY, Brooklyn, NY 11219

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrew Ryu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759850399

PECOS Enrollment IDI20260513002146

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 Reassignment

Medicare enrollment records show Andrew Ryu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maimonides Faculty Practice Plan

0.1 mi

Internal Medicine

4802 10TH AVE
Brooklyn, NY 11219

Reassigned Medicare billing, New York enrollment
1,177 clinicians in this Medicare group

NPI 1053344846 (718) 283-8700

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maimonides Medical Center

Acute Care Hospitals · Brooklyn, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330194

Location4802 Tenth AvenueBrooklyn, NY 11219 · Kings County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11219 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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTEN SAEMI KOBAYASHI

Student in an Organized Health Care Education/Training Program