MICHAEL MAINARDI M.D. INC.
NPI 1780801001
Internal Medicine - Gastroenterology in San Mateo, CA

NPI Status: Active since April 19, 2007

Contact Information

50 S SAN MATEO DR
SUITE 280
SAN MATEO, CA
ZIP 94401
Phone: (650) 685-6105

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  • Organization
  • Internal Medicine
  • Gastroenterology

About MICHAEL MAINARDI M.D. INC.

This page provides the complete NPI Profile along with additional information for Michael Mainardi M.d. Inc., an internist established in San Mateo, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1780801001 assigned on April 2007. The practitioner's primary taxonomy code is 207RG0100X with license number G19146 (CA). The provider is registered as an organization and their NPI record was last updated 14 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Michael Mainardi M.d. (President)

NPI
1780801001
Provider Name
MICHAEL MAINARDI M.D. INC.
Entity Type
Organization
Location Address
50 S SAN MATEO DR SUITE 280 SAN MATEO, CA 94401
Location Phone
(650) 685-6105
Mailing Address
50 S SAN MATEO DR SUITE 280 SAN MATEO, CA 94401
Mailing Phone
(650) 685-6105
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-19-2007
Last Update Date
07-13-2012
Code Navigator

An internist like Michael Mainardi M.d. Inc. 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
G19146
License State
CA
Taxonomy Description
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

DR. MICHAEL MAINARDI M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(650) 340-9977

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00G191460MEDICARE ID-TYPE UNSPECIFIED (04)CA 
A40543MEDICARE UPIN (02)CA 

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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 1780801001, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 8 → 16 → 7 8 → 16 → 7 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 6 + 0 + 2 + 0 + 0 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1780801001.

Other Providers at the Same Location


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

Family Medicine
50 S SAN MATEO DR, SUITE 230
SAN MATEO, CA 94401
Family Medicine
50 S SAN MATEO DR, 230
SAN MATEO, CA 94401
Family Medicine
50 S SAN MATEO DR, SUITE 230
SAN MATEO, CA 94401
Pediatrics
50 S SAN MATEO DR, STE 260
SAN MATEO, CA 94401
Otolaryngology
50 S SAN MATEO DR, SUITE 320
SAN MATEO, CA 94401
Specialist
50 S SAN MATEO DR, SUITE 370
SAN MATEO, CA 94401
Pediatrics
50 S SAN MATEO DR, STE 180
SAN MATEO, CA 94401
Internal Medicine
50 S SAN MATEO DR, SUITE490
SAN MATEO, CA 94401
Pediatrics
50 S SAN MATEO DR, SUITE 180
SAN MATEO, CA 94401
Pediatrics
50 S SAN MATEO DR, SUITE 180
SAN MATEO, CA 94401
Obstetrics & Gynecology
50 S SAN MATEO DR, #420
SAN MATEO, CA 94401
Pediatrics
50 S SAN MATEO DR, SUITE #180
SAN MATEO, CA 94401
Internal Medicine (Hematology & Oncology)
50 S SAN MATEO DR, SUITE 300
SAN MATEO, CA 94401
Specialist
50 S SAN MATEO DR, SUITE 280
SAN MATEO, CA 94401
Urology
50 S SAN MATEO DR, SUITE 120
SAN MATEO, CA 94401
Urology
50 S SAN MATEO DR, SUITE 120
SAN MATEO, CA 94401
Ophthalmology
50 S SAN MATEO DR, 200
SAN MATEO, CA 94401
Ophthalmology
50 S SAN MATEO DR, SUITE 200
SAN MATEO, CA 94401
Ophthalmology
50 S SAN MATEO DR, SUITE 200
SAN MATEO, CA 94401
Dentist
50 S SAN MATEO DR
SAN MATEO, CA 94401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780801001, enumerated as an "organization" on April 19, 2007.

The provider is located at 50 S SAN MATEO DR SUITE 280 SAN MATEO, CA 94401 and the phone number is (650) 685-6105.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.