DIANA M GIRNITA MD PC
NPI 1154995017
Internal Medicine - Rheumatology in Irvine, CA
NPI Status: Active since May 16, 2021
Contact Information
614 CULTIVATE
IRVINE, CA
ZIP 92618
Phone: (650) 525-4404
Fax: (650) 263-7265
- Organization
- Internal Medicine
- Rheumatology
About DIANA M GIRNITA MD PC
This page provides the complete NPI Profile along with additional information for Diana M Girnita Md Pc, an internist established in Irvine, California operating as a Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1154995017 assigned on May 2021. The practitioner's primary taxonomy code is 207RR0500X. The provider is registered as an organization and their NPI record was last updated January 2026. 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 Diana M Girnita Md (Founder, Ceo)
- NPI
- 1154995017
- Provider Name
- DIANA M GIRNITA MD PC
- Entity Type
- Organization
- Location Address
- 614 CULTIVATE IRVINE, CA 92618
- Location Phone
- (650) 525-4404
- Location Fax
- (650) 263-7265
- Mailing Address
- 614 CULTIVATE IRVINE, CA 92618
- Mailing Phone
- (650) 525-4404
- Mailing Fax
- (650) 263-7265
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-16-2021
- Last Update Date
- 01-16-2026
- Code Navigator
An internist like Diana M Girnita Md Pc 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 Rheumatology
- Taxonomy Code
- 207RR0500X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
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.
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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 1154995017, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 53 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154995017, enumerated as an "organization" on May 16, 2021.
The provider is located at 614 CULTIVATE IRVINE, CA 92618 and the phone number is (650) 525-4404.
Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.
