DR. MICHAEL PARRETT D.D.S.
NPI 1184638074
Dentist - General Practice in San Francisco, CA

NPI Status: Active since July 28, 2006

Contact Information

490 POST ST
SUITE 1616
SAN FRANCISCO, CA
ZIP 94102
Phone: (415) 421-3822
Fax: (415) 421-3853

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  • Individual
  • Male
  • Dentist
  • General Practice

About MICHAEL PARRETT

This page provides the complete NPI Profile along with additional information for Michael Parrett, a provider established in San Francisco, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1184638074 assigned on July 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 029094 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1184638074
Provider Name
DR. MICHAEL PARRETT D.D.S.
Gender
Male
Entity Type
Individual
Location Address
490 POST ST SUITE 1616 SAN FRANCISCO, CA 94102
Location Phone
(415) 421-3822
Location Fax
(415) 421-3853
Mailing Address
490 POST ST SUITE 1616 SAN FRANCISCO, CA 94102
Mailing Phone
(415) 421-3822
Mailing Fax
(415) 421-3853
Is Sole Proprietor?
Yes
Enumeration Date
07-28-2006
Last Update Date
07-08-2007
Code Navigator

A dentist like Michael Parrett 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 General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
029094
License State
CA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1184638074, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 8 → 16 → 7 6 → 12 → 3 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 6 + 4 + 1 + 2 + 3 + 1 + 6 + 0 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1184638074.

Other Providers at the Same Location


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

Dentist (General Practice)
490 POST ST, STE 404
SAN FRANCISCO, CA 94102
Otolaryngology
490 POST ST, STE 848
SAN FRANCISCO, CA 94102
Specialist
490 POST ST, SUITE 700
SAN FRANCISCO, CA 94102
Otolaryngology
490 POST ST, STE. 933
SAN FRANCISCO, CA 94102
Otolaryngology (Otolaryngic Allergy)
490 POST ST, SUITE 1230
SAN FRANCISCO, CA 94102
Dentist (General Practice)
490 POST ST, SUITE 1508
SAN FRANCISCO, CA 94102
Dentist (General Practice)
490 POST ST, STE. 1690
SAN FRANCISCO, CA 94102
Surgery
490 POST ST, SUITE #1404
SAN FRANCISCO, CA 94102
Specialist
490 POST ST, SUITE 544
SAN FRANCISCO, CA 94102
Dentist (General Practice)
490 POST ST, 1620
SAN FRANCISCO, CA 94102
Dentist
490 POST ST, SUITE 1205
SAN FRANCISCO, CA 94102
Podiatrist
490 POST ST, SUITE 450
SAN FRANCISCO, CA 94102
Dentist (General Practice)
490 POST ST, SUITE 1004
SAN FRANCISCO, CA 94102
Ophthalmology
490 POST ST, SUITE 1632
SAN FRANCISCO, CA 94102
Psychiatry & Neurology (Neurology)
490 POST ST, SUITE 1152
SAN FRANCISCO, CA 94102
Dermatology
490 POST ST, SUITE 320
SAN FRANCISCO, CA 94102
Dentist (Oral and Maxillofacial Surgery)
490 POST ST, SUITE 1233
SAN FRANCISCO, CA 94102
Obstetrics & Gynecology
490 POST ST, 1112
SAN FRANCISCO, CA 94102
Obstetrics & Gynecology
490 POST ST, #1112
SAN FRANCISCO, CA 94102
Optometrist
490 POST ST, STE 1606
SAN FRANCISCO, CA 94102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184638074, enumerated as an "individual" on July 28, 2006.

The provider is located at 490 POST ST SUITE 1616 SAN FRANCISCO, CA 94102 and the phone number is (415) 421-3822.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.