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HANSEN KWOK MD INC
NPI 1811455652
Internal Medicine - Gastroenterology in Sacramento, CA

Active since March 12, 2019
2801 K ST STE 505, SACRAMENTO, CA 95816(916) 454-1604(916) 993-4997 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hansen Kwok Md Inc NPPES

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

HANSEN KWOK MD INC (NPI 1811455652) is a healthcare organization registered as a gastroenterology in Sacramento, California and active in the NPI registry since March 2019. The organization lists Hansen Kwok, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1811455652
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameHANSEN KWOK MD INC
Location Address2801 K ST STE 505Sacramento, CA 95816-5119
Mailing Address2801 K St Ste 505Sacramento, CA 95816-5119 · (916) 454-1604 · Fax (916) 993-4997
Phone(916) 454-1604
Fax(916) 993-4997
Organization SubpartNo
Authorized OfficialHansen KwokOwner/president · (916) 454-1604
Enumeration DateMarch 12, 2019
Last NPPES UpdateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
✔ NPI 1811455652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
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.
2801 K ST STE 505, Sacramento, CA 95816
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hansen Kwok Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Hansen Kwok MD Inc, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Michelle Lee, D.O.
Gastroenterology
NPI 1366824807
1111 EXPOSITION BLVD STE 400A
Sacramento, CA 95815
(916) 454-1604
✔ PECOS✔ Accepts Medicare2.1 mi
Hansen Kwok, M.D.
Gastroenterology
NPI 1992896286
11201 BENTON ST
Loma Linda, CA 92357
(909) 825-7084
✔ PECOS✔ Accepts Medicare390 mi

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 Hansen Kwok MD Inc's NPI number?

The NPI number for Hansen Kwok MD Inc is 1811455652. It was assigned to this organization in the NPPES registry on March 12, 2019.

Where is Hansen Kwok MD Inc located?

Hansen Kwok MD Inc is located at 2801 K St Ste 505, Sacramento, CA 95816. The listed phone number is (916) 454-1604.

What is Hansen Kwok MD Inc's specialty?

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

Is Hansen Kwok MD Inc enrolled in Medicare?

Yes. Hansen Kwok MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hansen Kwok MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Gastroenterology, reassign their Medicare billing to Hansen Kwok MD Inc. 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. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Hansen Kwok MD Inc was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.