HAND & MICROSURGERY MEDICAL GROUP, INC
NPI 1558436253
Orthopaedic Surgery - Hand Surgery in San Francisco, CA

NPI Status: Active since November 21, 2006

Contact Information

2299 POST ST STE 103
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 923-0992

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  • Organization
  • Orthopaedic Surgery
  • Hand Surgery

About HAND & MICROSURGERY MEDICAL GROUP, INC

This page provides the complete NPI Profile along with additional information for Hand & Microsurgery Medical Group, Inc, a provider established in San Francisco, California operating as a Orthopaedic Surgery, focusing in hand surgery . The healthcare provider is registered in the NPI registry with number 1558436253 assigned on November 2006. The practitioner's primary taxonomy code is 207XS0106X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Leonard Gordon Md (President)

NPI
1558436253
Provider Name
HAND & MICROSURGERY MEDICAL GROUP, INC
Entity Type
Organization
Location Address
2299 POST ST STE 103 SAN FRANCISCO, CA 94115
Location Phone
(415) 923-0992
Mailing Address
2299 POST ST STE 103 SAN FRANCISCO, CA 94115
Mailing Phone
(415) 923-0992
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-21-2006
Last Update Date
08-21-2020
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Location Map

Secondary Locations

  • 2299 Post Street Suite 107
    San Francisco, CA 94115
    (415) 923-0992
  • 2299 Post St Ste 207
    San Francisco, CA 94115
    (415) 923-0992

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

Orthopaedic Surgery Hand Surgery

Taxonomy Code
207XS0106X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. LEONARD GORDON MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(415) 923-0992

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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 1558436253, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 5 → 10 → 1 4 → 8 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 8 + 3 + 1 + 2 + 2 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1558436253.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Orthopaedic Surgery
2299 POST ST STE 103
SAN FRANCISCO, CA 94115
Podiatrist (Foot & Ankle Surgery)
2299 POST ST STE 103
SAN FRANCISCO, CA 94115
Legal Medicine
2299 POST ST STE 103
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2299 POST ST STE 103
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558436253, enumerated as an "organization" on November 21, 2006.

The provider is located at 2299 POST ST STE 103 SAN FRANCISCO, CA 94115 and the phone number is (415) 923-0992.

Orthopaedic Surgery with taxonomy code 207XS0106X and a focus in Hand Surgery.