MCMG
NPI 1295987436
Internal Medicine in Washington, DC

NPI Status: Active since October 21, 2008

Contact Information

1160 VARNUM ST NE
SUITE # 008
WASHINGTON, DC
ZIP 20017
Phone: (202) 526-3897
Fax: (202) 526-7723

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  • Organization
  • Internal Medicine
  • CLIA Number: 09D1092357
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-20-2026

About MCMG

This page provides the complete NPI Profile along with additional information for Mcmg, an internist established in Washington, District Of Columbia operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1295987436 assigned on October 2008. The practitioner's primary taxonomy code is 207R00000X with license number MD037395 (DC). The provider is registered as an organization and their NPI record was last updated 11 years ago. Mcmg operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's other name is Mcmg. The authorized official of this NPI record is Ferdinand P Chua Md (President)

NPI
1295987436
Provider Legal Name
MAMONLUK CHUA MEDICAL GROUP, PC
Other Organization Name
MCMG
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
1160 VARNUM ST NE SUITE # 008 WASHINGTON, DC 20017
Location Phone
(202) 526-3897
Location Fax
(202) 526-7723
Mailing Address
1160 VARNUM ST NE SUITE # 008 WASHINGTON, DC 20017
Mailing Phone
(202) 526-3897
Mailing Fax
(202) 526-7723
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-21-2008
Last Update Date
01-19-2015
Code Navigator

An internist like Mcmg is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD037395
License State
DC
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

MD037327 (DC)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

FERDINAND P CHUA MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(202) 526-3897

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
09D1092357
Facility Type
Physician Office
Certificate Effective Date
November 21, 2024
Certificate Expiration Date
November 20, 2026
Laboratory Director
FERDINAND P. CHUA
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Mcmg to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1295987436, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 9 → 18 → 9 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 8 + 5 + 1 + 8 + 8 + 1 + 4 + 4 + 6 + 24 = 74

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295987436.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Orthopaedic Surgery
1160 VARNUM ST NE, 312
WASHINGTON, DC 20017
Orthopaedic Surgery
1160 VARNUM ST NE, SUITE 312
WASHINGTON, DC 20017
Surgery
1160 VARNUM ST NE, SUITE 300-B
WASHINGTON, DC 20017
Internal Medicine (Cardiovascular Disease)
1160 VARNUM ST NE, #100
WASHINGTON, DC 20017
Internal Medicine (Gastroenterology)
1160 VARNUM ST NE, #218
WASHINGTON, DC 20017
Allergy & Immunology
1160 VARNUM ST NE, SUITE008
WASHINGTON, DC 20017
Internal Medicine
1160 VARNUM ST NE, SUITE 008
WASHINGTON, DC 20017
Psychiatry & Neurology (Neurology)
1160 VARNUM ST NE, SUITE 204
WASHINGTON, DC 20017
Internal Medicine (Gastroenterology)
1160 VARNUM ST NE, 311
WASHINGTON, DC 20017
Internal Medicine (Gastroenterology)
1160 VARNUM ST NE, 311
WASHINGTON, DC 20017
Internal Medicine
1160 VARNUM ST NE, SUITE 317
WASHINGTON, DC 20017
Family Medicine (Geriatric Medicine)
1160 VARNUM ST NE
WASHINGTON, DC 20017
Nurse Practitioner (Gerontology)
1160 VARNUM ST NE
WASHINGTON, DC 20017
Podiatrist (Foot Surgery)
1160 VARNUM ST NE, 012
WASHINGTON, DC 20017
Internal Medicine (Geriatric Medicine)
1160 VARNUM ST NE, #311
WASHINGTON, DC 20017
Internal Medicine (Cardiovascular Disease)
1160 VARNUM ST NE, SUITE 314
WASHINGTON, DC 20017
Internal Medicine (Pulmonary Disease)
1160 VARNUM ST NE, SUITE 214
WASHINGTON, DC 20017
Internal Medicine (Nephrology)
1160 VARNUM ST NE, SUITE 16
WASHINGTON, DC 20017
Internal Medicine (Pulmonary Disease)
1160 VARNUM ST NE, #214
WASHINGTON, DC 20017
Clinic/Center (Rehabilitation)
1160 VARNUM ST NE, SUITE 1008
WASHINGTON, DC 20017

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295987436, enumerated as an "organization" on October 21, 2008.

The provider is located at 1160 VARNUM ST NE SUITE # 008 WASHINGTON, DC 20017 and the phone number is (202) 526-3897.

Internal Medicine with taxonomy code 207R00000X.