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MAN-SIAK MAK, M.D., INC.
NPI 1114115904
Internal Medicine - Gastroenterology in Merced, CA

Active since October 05, 2007
3313 M ST, MERCED, CA 95348(209) 722-1565(209) 722-1567 Get Directions Write a Review

NPPES record last updated: October 5, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Man-siak Mak, M.d., Inc. NPPES

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

MAN-SIAK MAK, M.D., INC. (NPI 1114115904) is a healthcare organization registered as a gastroenterology in Merced, California and active in the NPI registry since October 2007. The organization lists Man-siak Mak, President, as its authorized official.

NPPES Registry Identity

NPI1114115904
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameMAN-SIAK MAK, M.D., INC.
Location Address3313 M STMerced, CA 95348-2714
Mailing AddressPo Box 2793Merced, CA 95344-0793 · (209) 722-1565 · Fax (209) 722-1567
Phone(209) 722-1565
Fax(209) 722-1567
Organization SubpartNo
Authorized OfficialMan-siak MakPresident · (209) 722-1565
Enumeration DateOctober 5, 2007
✔ NPI 1114115904 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 CA · A26785
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.
3313 M ST, Merced, CA 95348
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Other Identifiers 3

Medicare UPINA24961CA
Medicaid00A267850CA
Medicare PIN00A267850CA

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

Other Providers at the Same Location NPPES

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

DR. HENRY MAN - HUNG LAM M.D.
Internal Medicine
3313 M ST
MERCED, CA 95348
Merced County (209) 722-3924

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 Man-Siak Mak, M.D., Inc.'s NPI number?

The NPI number for Man-Siak Mak, M.D., Inc. is 1114115904. It was assigned to this organization in the NPPES registry on October 5, 2007.

Where is Man-Siak Mak, M.D., Inc. located?

Man-Siak Mak, M.D., Inc. is located at 3313 M St, Merced, CA 95348. The listed phone number is (209) 722-1565.

What is Man-Siak Mak, M.D., Inc.'s specialty?

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

When was this NPI record last updated?

The NPPES record for Man-Siak Mak, M.D., Inc. was last updated on October 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.