MARK D NATHAN MD
NPI 1013947670
Internal Medicine - Interventional Cardiology in Walnut Creek, CA
NPI Status: Active since July 03, 2006
Contact Information
106 LA CASA VIA
#140
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 274-2860
Fax: (925) 932-4527
- Individual
- Male
- Internal Medicine
- Interventional Cardiology
About MARK NATHAN
This page provides the complete NPI Profile along with additional information for Mark Nathan, an internist established in Walnut Creek, California with a medical specialization in Internal Medicine, focusing in interventional cardiology . The healthcare provider is registered in the NPI registry with number 1013947670 assigned on July 2006. The practitioner's primary taxonomy code is 207RI0011X with license number G35395 (CA). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1013947670
- Provider Name
- MARK D NATHAN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 106 LA CASA VIA #140 WALNUT CREEK, CA 94598
- Location Phone
- (925) 274-2860
- Location Fax
- (925) 932-4527
- Mailing Address
- 2855 MITCHELL DR #223 WALNUT CREEK, CA 94598
- Mailing Phone
- (925) 274-2860
- Mailing Fax
- (925) 932-4527
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-03-2006
- Last Update Date
- 06-25-2010
- Code Navigator
An internist like Mark Nathan 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 Interventional Cardiology
- Taxonomy Code
- 207RI0011X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G35395
- License State
- CA
- Taxonomy Description
- An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
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 |
|---|---|---|---|
| A46339 | MEDICARE UPIN (02) |
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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 1013947670, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1013947670, enumerated as an "individual" on July 03, 2006.
The provider is located at 106 LA CASA VIA #140 WALNUT CREEK, CA 94598 and the phone number is (925) 274-2860.
Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
