NANCY A TRAHMS MD ROBERT G TRAHMS MD A PROFESSIONAL CORPORATION
NPI 1124385349
Specialist in Greenbrae, CA

NPI Status: Active since April 12, 2012

Contact Information

599 SIR FRANCIS DRAKE BLVD
STE 304
GREENBRAE, CA
ZIP 94904
Phone: (415) 461-9200
Fax: (415) 435-9700

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  • Organization
  • Specialist

About NANCY A TRAHMS MD ROBERT G TRAHMS MD A PROFESSIONAL CORPORATION

This page provides the complete NPI Profile along with additional information for Nancy A Trahms Md Robert G Trahms Md A Professional Corporation, a provider established in Greenbrae, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1124385349 assigned on April 2012. The practitioner's primary taxonomy code is 174400000X with license number C28110 (CA). The provider is registered as an organization and their NPI record was last updated 9 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. Nancy Trahms (Md- Psychiatrist)

NPI
1124385349
Provider Name
NANCY A TRAHMS MD ROBERT G TRAHMS MD A PROFESSIONAL CORPORATION
Entity Type
Organization
Location Address
599 SIR FRANCIS DRAKE BLVD STE 304 GREENBRAE, CA 94904
Location Phone
(415) 461-9200
Location Fax
(415) 435-9700
Mailing Address
599 SIR FRANCIS DRAKE BLVD STE 304 GREENBRAE, CA 94904
Mailing Phone
(415) 461-9200
Mailing Fax
(415) 435-9700
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-12-2012
Last Update Date
08-29-2017
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
C28110
License State
CA
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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. NANCY TRAHMS

Authorized Official Title
MD- PSYCHIATRIST
Authorized Official Phone
(415) 461-9200

Reviews for NANCY A TRAHMS MD ROBERT G TRAHMS MD A PROFESSIONAL CORPORATION

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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 1124385349, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
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 2 → 4 3 → 6 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 6 + 8 + 1 + 0 + 3 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1124385349.

Other Providers at the Same Location


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

Pediatrics
599 SIR FRANCIS DRAKE BLVD, SUITE 102
GREENBRAE, CA 94904
Orthopaedic Surgery
599 SIR FRANCIS DRAKE BLVD, #302
GREENBRAE, CA 94904
General Practice
599 SIR FRANCIS DRAKE BLVD, STE. # 203
GREENBRAE, CA 94904
Internal Medicine (Rheumatology)
599 SIR FRANCIS DRAKE BLVD, SUITE 201
GREENBRAE, CA 94904
Dentist (General Practice)
599 SIR FRANCIS DRAKE BLVD, SUITE 306
GREENBRAE, CA 94904
Internal Medicine (Rheumatology)
599 SIR FRANCIS DRAKE BLVD, #201
GREENBRAE, CA 94904
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, #202
GREENBRAE, CA 94904
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, #202
GRENNBRAE, CA 94904
Chiropractor
599 SIR FRANCIS DRAKE BLVD, SUITE 304
GREENBRAE, CA 94904
Internal Medicine (Rheumatology)
599 SIR FRANCIS DRAKE BLVD, SUITE 201
GREENBRAE, CA 94904
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, SUITE 301
GREENBRAE, CA 94904
Podiatrist (Foot & Ankle Surgery)
599 SIR FRANCIS DRAKE BLVD, SUITE 207
GREENBRAE, CA 94904
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, SUITE 301
GREENBRAE, CA 94904
Dentist (General Practice)
599 SIR FRANCIS DRAKE BLVD, SUITE 306
GREENBRAE, CA 94904
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, SUITE 301
GREENBRAE, CA 94904
Internal Medicine (Endocrinology, Diabetes & Metabolism)
599 SIR FRANCIS DRAKE BLVD, SUITE 305
GREENBRAE, CA 94904
Psychiatry & Neurology (Neurology)
599 SIR FRANCIS DRAKE BLVD, SUITE 206
GREENBRAE, CA 94904
Psychiatry & Neurology (Psychiatry)
599 SIR FRANCIS DRAKE BLVD, STE 304
GREENBRAE, CA 94904
Obstetrics & Gynecology
599 SIR FRANCIS DRAKE BLVD, SUITE 202
GREENBRAE, CA 94904
Orthopaedic Surgery
599 SIR FRANCIS DRAKE BLVD, 302
GREENBRAE, CA 94904

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124385349, enumerated as an "organization" on April 12, 2012.

The provider is located at 599 SIR FRANCIS DRAKE BLVD STE 304 GREENBRAE, CA 94904 and the phone number is (415) 461-9200.

Specialist with taxonomy code 174400000X.