DR. LEONARD W GRAY M.D.
NPI 1649482662
Surgery - Plastic and Reconstructive Surgery in San Francisco, CA

NPI Status: Active since May 03, 2007

Contact Information

450 SUTTER ST
2303
SAN FRANCISCO, CA
ZIP 94108
Phone: (415) 434-8858
Fax: (415) 434-8004

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  • Individual
  • Male
  • Surgery
  • Plastic and Reconstructive Surgery

About LEONARD GRAY

This page provides the complete NPI Profile along with additional information for Leonard Gray, a provider established in San Francisco, California with a medical specialization in Surgery, focusing in plastic and reconstructive surgery . The healthcare provider is registered in the NPI registry with number 1649482662 assigned on May 2007. The practitioner's primary taxonomy code is 2086S0122X with license number G68945 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1649482662
Provider Name
DR. LEONARD W GRAY M.D.
Gender
Male
Entity Type
Individual
Location Address
450 SUTTER ST 2303 SAN FRANCISCO, CA 94108
Location Phone
(415) 434-8858
Location Fax
(415) 434-8004
Mailing Address
450 SUTTER ST 2303 SAN FRANCISCO, CA 94108
Mailing Phone
(415) 434-8858
Mailing Fax
(415) 434-8004
Is Sole Proprietor?
Yes
Enumeration Date
05-03-2007
Last Update Date
07-08-2007
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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

Surgery Plastic and Reconstructive Surgery

Taxonomy Code
2086S0122X
Type
Allopathic & Osteopathic Physicians
License No.
G68945
License State
CA
Taxonomy Description
A surgeon who specializes in plastic and reconstructive surgery.

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
E-71433MEDICARE 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 1649482662, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 8 + 8 + 4 + 6 + 1 + 2 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1649482662.

Other Providers at the Same Location


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

Dentist (General Practice)
450 SUTTER ST, SUITE 1330
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, STE 1306
SAN FRANCISCO, CA 94108
Physical Therapist (Orthopedic)
450 SUTTER ST, SUITE 1038
SAN FRANCISCO, CA 94108
Surgery (Surgery of the Hand)
450 SUTTER ST, SUITE 1533
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2340
SAN FRANCISCO, CA 94108
Podiatrist
450 SUTTER ST, #1101
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, STE 1306
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 2130
SAN FRANCISCO, CA 94108
Otolaryngology
450 SUTTER ST, SUITE 933
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2530
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, SUITE #830
SAN FRANCISCO, CA 94108
Physical Therapist
450 SUTTER ST, SUITE 2640
SAN FRANCISCO, CA 94108
Ophthalmology
450 SUTTER ST, SUITE 1918
SAN FRANCISCO, CA 94108
Dentist (Oral and Maxillofacial Surgery)
450 SUTTER ST, SUITE 2230
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1839
SAN FRANCISCO, CA 94108
Physical Therapist
450 SUTTER ST, SUITE #2640
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1800
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, STE 1819
SAN FRANCISCO, CA 94108
Dentist (Prosthodontics)
450 SUTTER ST, 2600
SAN FRANCISCO, CA 94108
Dentist
450 SUTTER ST, SUITE 2428
SAN FRANCISCO, CA 94108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649482662, enumerated as an "individual" on May 03, 2007.

The provider is located at 450 SUTTER ST 2303 SAN FRANCISCO, CA 94108 and the phone number is (415) 434-8858.

Surgery with taxonomy code 2086S0122X and a focus in Plastic and Reconstructive Surgery.

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