DR. DAVID PERETZ MD
NPI 1447435086
Internal Medicine - Hepatology in Norwalk, CT

NPI Status: Active since January 02, 2008

Contact Information

24 STEVENS ST
NORWALK, CT
ZIP 06850
Phone: (203) 852-2000
Fax: (203) 855-3589

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  • Individual
  • Male
  • Internal Medicine
  • Hepatology

About DAVID PERETZ

This page provides the complete NPI Profile along with additional information for David Peretz, an internist established in Norwalk, Connecticut with a medical specialization in Internal Medicine, focusing in hepatology . The healthcare provider is registered in the NPI registry with number 1447435086 assigned on January 2008. The practitioner's primary taxonomy code is 207RI0008X with license number MD.202509 (LA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1447435086
Provider Name
DR. DAVID PERETZ MD
Gender
Male
Entity Type
Individual
Location Address
24 STEVENS ST NORWALK, CT 06850
Location Phone
(203) 852-2000
Location Fax
(203) 855-3589
Mailing Address
24 STEVENS ST NORWALK, CT 06850
Mailing Phone
(203) 852-2000
Mailing Fax
(203) 855-3589
Is Sole Proprietor?
No
Enumeration Date
01-02-2008
Last Update Date
11-19-2009
Code Navigator

An internist like David Peretz 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 Hepatology

Taxonomy Code
207RI0008X
Type
Allopathic & Osteopathic Physicians
License No.
MD.202509
License State
LA
Taxonomy Description
The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who identify themselves as Hepatologists usually, but not always, have been trained in gastrointestinal programs.

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
4N959MEDICARE PIN (08)LA 
1794813MEDICAID (05)LA 
4N9597061MEDICARE PIN (08)LA 
07152832MEDICAID (05)MS 

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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 1447435086, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 4 → 8 4 → 8 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 8 + 3 + 1 + 0 + 0 + 1 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1447435086.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Nurse Practitioner (Adult Health)
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology (Pain Medicine)
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Dentist
24 STEVENS ST, NORWALK HOSPITAL DENTAL SERVICE
NORWALK, CT 06850
Internal Medicine
24 STEVENS ST
NORWALK, CT 06850
Internal Medicine
24 STEVENS ST
NORWALK, CT 06850
Internal Medicine (Pulmonary Disease)
24 STEVENS ST
NORWALK, CT 06850
Internal Medicine
24 STEVENS ST
NORWALK, CT 06850

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447435086, enumerated as an "individual" on January 02, 2008.

The provider is located at 24 STEVENS ST NORWALK, CT 06850 and the phone number is (203) 852-2000.

Internal Medicine with taxonomy code 207RI0008X and a focus in Hepatology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.