CARL HERRICK CRITZ MD
NPI 1740232107
Pathology - Cytopathology in San Ramon, CA
NPI Status: Active since May 16, 2006
Contact Information
6001 NORRIS CANYON RD
SAN RAMON, CA
ZIP 94583
Phone: (925) 275-8408
Fax: (925) 275-8362
- Individual
- Male
- Pathology
- Cytopathology
About CARL CRITZ
This page provides the complete NPI Profile along with additional information for Carl Critz, a provider established in San Ramon, California with a medical specialization in Pathology, focusing in cytopathology . The healthcare provider is registered in the NPI registry with number 1740232107 assigned on May 2006. The practitioner's primary taxonomy code is 207ZC0500X with license number G68421 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1740232107
- Provider Name
- CARL HERRICK CRITZ MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 6001 NORRIS CANYON RD SAN RAMON, CA 94583
- Location Phone
- (925) 275-8408
- Location Fax
- (925) 275-8362
- Mailing Address
- 6001 NORRIS CANYON RD SAN RAMON, CA 94583
- Mailing Phone
- (925) 275-8408
- Mailing Fax
- (925) 275-8362
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-16-2006
- Last Update Date
- 09-11-2025
- Code Navigator
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
Pathology Cytopathology
- Taxonomy Code
- 207ZC0500X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G68421
- License State
- CA
- Taxonomy Description
- A cytopathologist is an anatomic pathologist trained in the diagnosis of human disease by means of the study of cells obtained from body secretions and fluids, by scraping, washing, or sponging the surface of a lesion, or by the aspiration of a tumor mass or body organ with a fine needle. A major aspect of a cytopathologist's practice is the interpretation of Papanicolaou-stained smears of cells from the female reproductive systems, the Pap test. However, the cytopathologist's expertise is applied to the diagnosis of cells from all systems and areas of the body. He/she is a consultant to all medical specialists.
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) |
|---|---|---|---|---|
| 1 | 207ZP0102X | Allopathic & Osteopathic Physicians | Pathology | G68421 (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 1740232107, 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 20 providers are registered at the same or a nearby location.
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
SAN RAMON, CA 94583
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1740232107, enumerated as an "individual" on May 16, 2006.
The provider is located at 6001 NORRIS CANYON RD SAN RAMON, CA 94583 and the phone number is (925) 275-8408.
Pathology with taxonomy code 207ZC0500X and a focus in Cytopathology.
