DR. JONATHAN C FOX MD, PHD
NPI 1578727889
Internal Medicine - Cardiovascular Disease in South San Francisco, CA

NPI Status: Active since July 16, 2008

Contact Information

400 EAST JAMIE COURT
MYOKARDIA, INC., STE 102
SOUTH SAN FRANCISCO, CA
ZIP 94080
Phone: (650) 741-0902

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About JONATHAN FOX

This page provides the complete NPI Profile along with additional information for Jonathan Fox, an internist established in South San Francisco, California with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1578727889 assigned on July 2008. The practitioner's primary taxonomy code is 207RC0000X with license number MD-049591-L (PA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1578727889
Provider Name
DR. JONATHAN C FOX MD, PHD
Gender
Male
Entity Type
Individual
Location Address
400 EAST JAMIE COURT MYOKARDIA, INC., STE 102 SOUTH SAN FRANCISCO, CA 94080
Location Phone
(650) 741-0902
Mailing Address
1788 CLAY ST STE 809 SAN FRANCISCO, CA 94109
Mailing Phone
(610) 864-3190
Is Sole Proprietor?
No
Enumeration Date
07-16-2008
Last Update Date
06-19-2014
Code Navigator

An internist like Jonathan Fox 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
MD-049591-L
License State
PA
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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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 1578727889, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 7 → 14 → 5 7 → 14 → 5 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 4 + 8 + 1 + 4 + 2 + 1 + 4 + 8 + 1 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1578727889.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578727889, enumerated as an "individual" on July 16, 2008.

The provider is located at 400 EAST JAMIE COURT MYOKARDIA, INC., STE 102 SOUTH SAN FRANCISCO, CA 94080 and the phone number is (650) 741-0902.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.