DR. ARNOLD HAN M.D
NPI 1639317811
Internal Medicine - Gastroenterology in New York, NY
About Dr. Arnold Han M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARNOLD HAN M.D (NPI 1639317811) is an individual gastroenterology provider in New York, New York, licensed in New York (285962) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (2006).
NPPES Registry Identity
Specialties & Licenses 2
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. Arnold Han 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 Arnold Han 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 10032
- Reassigned Medicare billing, New York enrollment
- 612 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 clinicians in this Medicare group
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 clinicians in this Medicare group
Potsdam, NY 13676
- Reassigned Medicare billing, New York enrollment
- 414 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 3
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.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 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.
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 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Arnold Han's NPI number?
The NPI number for Arnold Han is 1639317811. It was assigned to this individual provider in the NPPES registry on January 27, 2009.
Where is Arnold Han located?
Arnold Han practices at 161 Fort Washington Ave D, New York, NY 10032. The listed phone number is (212) 305-1909.
What is Arnold Han's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Arnold Han enrolled in Medicare?
Yes. Arnold Han 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 Arnold Han's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arnold Han reassigns Medicare benefits to 4 organizations: Trustees Of Columbia University In The City Of New York (New York, NY), Trustees Of Columbia University In The City Of New York (New York, NY), Lawrence Medical Associates, PC (Bronxville, NY) and Canton-Potsdam Hospital (Potsdam, NY). 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 Arnold Han's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Arnold Han affiliated with any hospitals?
According to CMS data, Arnold Han is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Arnold Han was last updated on October 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Arnold Han, M.D · NPI 1639317811
Gastroenterology physician in New York, New York. Individual provider, active in the CMS NPPES registry since January 27, 2009.
## Identity
- **NPI:** 1639317811 (Entity type: Individual)
- **Enumerated:** January 27, 2009
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 285962 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 161 FORT WASHINGTON AVE, D, New York, NY 10032-3729
- **Phone:** (212) 305-1909
## 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): Trustees Of Columbia University In The City Of New York (NPI 1437176047, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY); Lawrence Medical Associates, PC (NPI 1497260806, Bronxville, NY); Canton-Potsdam Hospital (NPI 1568548782, Potsdam, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2006
## Record status
- **NPPES last updated:** October 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1639317811) · Data from the CMS NPPES public registry.