JOHN A GRIMALDI DO INC
NPI 1982910741
Urology in Chula Vista, CA

NPI Status: Active since August 31, 2010

Contact Information

450 4TH AVE
SUTIE 312
CHULA VISTA, CA
ZIP 91910
Phone: (619) 420-0201

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  • Organization
  • Urology

About JOHN A GRIMALDI DO INC

This page provides the complete NPI Profile along with additional information for John A Grimaldi Do Inc, a provider established in Chula Vista, California operating as a Urology. The healthcare provider is registered in the NPI registry with number 1982910741 assigned on August 2010. The practitioner's primary taxonomy code is 208800000X with license number 20A11355 (CA). The provider is registered as an organization and their NPI record was last updated 3 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 John A Grimaldi Do (President)

NPI
1982910741
Provider Name
JOHN A GRIMALDI DO INC
Entity Type
Organization
Location Address
450 4TH AVE SUTIE 312 CHULA VISTA, CA 91910
Location Phone
(619) 420-0201
Mailing Address
450 4TH AVE SUTIE 312 CHULA VISTA, CA 91910
Mailing Phone
(619) 420-0201
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-31-2010
Last Update Date
01-12-2023
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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

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
20A11355
License State
CA
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

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.

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

JOHN A GRIMALDI DO

Authorized Official Title
PRESIDENT
Authorized Official Phone
(619) 420-0201

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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 1982910741, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
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 9 → 18 → 9 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 8 + 1 + 0 + 7 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1982910741.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Urology
450 4TH AVE, STE 303
CHULA VISTA, CA 91910
Podiatrist (Foot & Ankle Surgery)
450 4TH AVE, SUITE 401
CHULA VISTA, CA 91910
Podiatrist (Foot & Ankle Surgery)
450 4TH AVE, STE 401
CHULA VISTA, CA 91910
Specialist
450 4TH AVE, STE 303
CHULA VISTA, CA 91910
Neurological Surgery
450 4TH AVE, SUITE 405
CHULA VISTA, CA 91910
Nurse Practitioner (Psychiatric/Mental Health)
450 4TH AVE, SUITE 215
CHULA VISTA, CA 91910
Audiologist-Hearing Aid Fitter
450 4TH AVE, SUITE 306
CHULA VISTA, CA 91910
Hearing Instrument Specialist
450 4TH AVE, SUITE 200
CHULA VISTA, CA 91910
Pharmacy (Community/Retail Pharmacy)
450 4TH AVE, SUITE 100
CHULA VISTA, CA 91910
Internal Medicine (Cardiovascular Disease)
450 4TH AVE, STE. 304
CHULA VISTA, CA 91910
Psychiatry & Neurology (Neurology)
450 4TH AVE, STE 214
CHULA VISTA, CA 91910
Prosthetic/Orthotic Supplier
450 4TH AVE, SUITE 405
CHULA VISTA, CA 91910
Urology
450 4TH AVE, SUITE 312
CHULA VISTA, CA 91910
Counselor (Professional)
450 4TH AVE
CHULA VISTA, CA 91910
Occupational Therapist (Ergonomics)
450 4TH AVE, #215
CHULA VISTA, CA 91910

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982910741, enumerated as an "organization" on August 31, 2010.

The provider is located at 450 4TH AVE SUTIE 312 CHULA VISTA, CA 91910 and the phone number is (619) 420-0201.

Urology with taxonomy code 208800000X.