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CHIEN KUO CHIANG M D P C
NPI 1932474236
Internal Medicine - Gastroenterology in New York, NY

Active since March 20, 2012
109 LAFAYETTE ST, SUITE 701, NEW YORK, NY 10013(212) 941-7856(212) 941-8951 Get Directions Write a Review

NPPES record last updated: April 24, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Chien Kuo Chiang M D P C NPPES

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

CHIEN KUO CHIANG M D P C (NPI 1932474236) is a healthcare organization registered as a gastroenterology in New York, New York and active in the NPI registry since March 2012. The organization lists Chien Kuo Chiang, Dr, as its authorized official.

NPPES Registry Identity

NPI1932474236
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameCHIEN KUO CHIANG M D P C
Location Address109 LAFAYETTE ST, SUITE 701New York, NY 10013-4154
Mailing Address109 Lafayette St, Suite 701New York, NY 10013-4154 · (212) 941-7856 · Fax (212) 941-8951
Phone(212) 941-7856
Fax(212) 941-8951
Organization SubpartNo
Authorized OfficialChien Kuo ChiangDr · (212) 941-7856
Enumeration DateMarch 20, 2012
Last NPPES UpdateApril 24, 2012
✔ NPI 1932474236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 177439
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
109 LAFAYETTE ST, New York, NY 10013
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chien Kuo Chiang M D P C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20120430000392Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Chien Kuo Chiang M D P C, which bills Medicare for the services this clinician delivers.

Clinician (1)

Chien Chiang, M.D.
Internal Medicine
NPI 1255341723
109 LAFAYETTE ST SUITE 701
New York, NY 10013
(212) 941-7856
✔ PECOS✔ Accepts MedicareSame address

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

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 Chien Kuo Chiang M D P C's NPI number?

The NPI number for Chien Kuo Chiang M D P C is 1932474236. It was assigned to this organization in the NPPES registry on March 20, 2012.

Where is Chien Kuo Chiang M D P C located?

Chien Kuo Chiang M D P C is located at 109 Lafayette St Suite 701, New York, NY 10013. The listed phone number is (212) 941-7856.

What is Chien Kuo Chiang M D P C's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Chien Kuo Chiang M D P C enrolled in Medicare?

Yes. Chien Kuo Chiang M D P C is registered in the Medicare PECOS enrollment system.

When is Chien Kuo Chiang M D P C's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Chien Kuo Chiang M D P C?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Chien Kuo Chiang M D P C. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Chien Kuo Chiang M D P C was last updated on April 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.