CHRISTOPHER BRIAN MARCHACK D.D.S.
NPI 1710146469
Dentist - Prosthodontics in Pasadena, CA

NPI Status: Active since June 07, 2008

Contact Information

301 S FAIR OAKS AVE
SUITE 408
PASADENA, CA
ZIP 91105
Phone: (626) 793-6700
Fax: (626) 793-8777

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  • Individual
  • Male
  • Dentist
  • Prosthodontics

About CHRISTOPHER MARCHACK

This page provides the complete NPI Profile along with additional information for Christopher Marchack, a provider established in Pasadena, California with a medical specialization in Dentist, focusing in prosthodontics . The healthcare provider is registered in the NPI registry with number 1710146469 assigned on June 2008. The practitioner's primary taxonomy code is 1223P0700X with license number 35758 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1710146469
Provider Name
CHRISTOPHER BRIAN MARCHACK D.D.S.
Gender
Male
Entity Type
Individual
Location Address
301 S FAIR OAKS AVE SUITE 408 PASADENA, CA 91105
Location Phone
(626) 793-6700
Location Fax
(626) 793-8777
Mailing Address
301 S FAIR OAKS AVE SUITE 408 PASADENA, CA 91105
Mailing Phone
(626) 793-6700
Mailing Fax
(626) 793-8777
Is Sole Proprietor?
No
Enumeration Date
06-07-2008
Last Update Date
06-07-2008
Code Navigator

A dentist like Christopher Marchack is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist Prosthodontics

Taxonomy Code
1223P0700X
Type
Dental Providers
License No.
35758
License State
CA
Taxonomy Description
That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

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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 1710146469, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 1 → 2 1 → 2 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 2 + 4 + 1 + 2 + 4 + 1 + 2 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1710146469.

Other Providers at the Same Location


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

Dentist (General Practice)
301 S FAIR OAKS AVE, STE 204
PASADENA, CA 91105
Dentist (General Practice)
301 S FAIR OAKS AVE, SUITE 205
PASADENA, CA 91105
Dentist (General Practice)
301 S FAIR OAKS AVE, SUITE 205
PASADENA, CA 91105
Nurse Practitioner (Family)
301 S FAIR OAKS AVE, SUITE 300
PASADENA, CA 91105
Marriage & Family Therapist
301 S FAIR OAKS AVE, SUITE 406B
PASADENA, CA 91105
Dentist (General Practice)
301 S FAIR OAKS AVE, SUITE 205
PASADENA, CA 91105
Dentist (Oral and Maxillofacial Surgery)
301 S FAIR OAKS AVE, SUITE 107
PASADENA, CA 91105
Internal Medicine
301 S FAIR OAKS AVE, SUITE 300
PASADENA, CA 91105
Internal Medicine
301 S FAIR OAKS AVE, SUITE 300
PASADENA, CA 91105
Pharmacy (Community/Retail Pharmacy)
301 S FAIR OAKS AVE, SUITE 104
PASADENA, CA 91105
Acupuncturist
301 S FAIR OAKS AVE, SUITE 300
PASADENA, CA 91105
Dentist (Endodontics)
301 S FAIR OAKS AVE, SUITE 210
PASADENA, CA 91105
Physical Therapist
301 S FAIR OAKS AVE, SUITE 401
PASADENA, CA 91105
Internal Medicine
301 S FAIR OAKS AVE, SUITE 201
PASADENA, CA 91105
Clinic/Center (Primary Care)
301 S FAIR OAKS AVE, SUITE 405
PASADENA, CA 91105
Obstetrics & Gynecology (Obstetrics)
301 S FAIR OAKS AVE
PASADENA, CA 91105
Speech-Language Pathologist
301 S FAIR OAKS AVE, SUITE 401
PASADENA, CA 91105
Dentist (General Practice)
301 S FAIR OAKS AVE, #205
PASADENA, CA 91105
General Practice
301 S FAIR OAKS AVE, STE #405
PASADENA, CA 91105
Internal Medicine
301 S FAIR OAKS AVE, STE 107
PASADENA, CA 91105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710146469, enumerated as an "individual" on June 07, 2008.

The provider is located at 301 S FAIR OAKS AVE SUITE 408 PASADENA, CA 91105 and the phone number is (626) 793-6700.

Dentist with taxonomy code 1223P0700X and a focus in Prosthodontics.