RICHARD A. ZAK, MD,INC
NPI 1821316944
Internal Medicine - Gastroenterology in Chico, CA
NPI Status: Active since May 13, 2010
Contact Information
251 COHASSET RD
SUITE 300
CHICO, CA
ZIP 95926
Phone: (530) 894-8800
- Organization
- Internal Medicine
- Gastroenterology
About RICHARD A. ZAK, MD,INC
This page provides the complete NPI Profile along with additional information for Richard A. Zak, Md,inc, an internist established in Chico, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1821316944 assigned on May 2010. The practitioner's primary taxonomy code is 207RG0100X with license number G43123 (CA). The provider is registered as an organization and their NPI record was last updated 15 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 Lorraine Fingleton (Office Manager)
- NPI
- 1821316944
- Provider Name
- RICHARD A. ZAK, MD,INC
- Entity Type
- Organization
- Location Address
- 251 COHASSET RD SUITE 300 CHICO, CA 95926
- Location Phone
- (530) 894-8800
- Mailing Address
- PO BOX 1096 MANSFIELD, OH 44901
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-13-2010
- Last Update Date
- 06-28-2011
- Code Navigator
An internist like Richard A. Zak, Md,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.
- G43123
- 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.
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 |
|---|---|---|---|
| A49239 | MEDICARE UPIN (02) | CA | |
| 74701312 | MEDICAID (05) | CO | |
| COA105978 | MEDICARE PIN (08) | CO | |
| 00G431230 | MEDICAID (05) | CA | |
| G43123 | MEDICARE PIN (08) | 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 1821316944, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. 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.
CHICO, CA 95926
CHICO, CA 95926
CHICO, CA 95926
CHICO, CA 95926
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1821316944, enumerated as an "organization" on May 13, 2010.
The provider is located at 251 COHASSET RD SUITE 300 CHICO, CA 95926 and the phone number is (530) 894-8800.
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.
