THE TOM STEEL CLINIC, A PROJECT OF THE TIDES CENTER
NPI 1457496655
Specialist in Mill Valley, CA

NPI Status: Active since February 21, 2007

Contact Information

655 REDWOOD HWY
200
MILL VALLEY, CA
ZIP 94941
Phone: (415) 383-6623
Fax: (415) 383-6671

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  • Organization
  • Specialist

About THE TOM STEEL CLINIC, A PROJECT OF THE TIDES CENTER

This page provides the complete NPI Profile along with additional information for The Tom Steel Clinic, A Project Of The Tides Center, a provider established in Mill Valley, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1457496655 assigned on February 2007. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated 4 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 provider's is doing business as The Tom Steel Clinic, A Project Of The Tides Center. The authorized official of this NPI record is Dr. Milton Estes M.d. (Medical Director)

NPI
1457496655
Provider Legal Name
TIDES CENTER
Other Organization Name
THE TOM STEEL CLINIC, A PROJECT OF THE TIDES CENTER
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
655 REDWOOD HWY 200 MILL VALLEY, CA 94941
Location Phone
(415) 383-6623
Location Fax
(415) 383-6671
Mailing Address
655 REDWOOD HWY SUITE 200 MILL VALLEY, CA 94941
Mailing Phone
(415) 383-6623
Mailing Fax
(415) 383-6671
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-21-2007
Last Update Date
07-21-2022
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
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. MILTON ESTES M.D.

Authorized Official Title
MEDICAL DIRECTOR
Authorized Official Phone
(415) 383-6623

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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 1457496655, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
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 + 4 + 1 + 0 + 7 + 8 + 9 + 1 + 2 + 6 + 1 + 0 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1457496655.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Psychologist (Clinical)
655 REDWOOD HWY, SUITE 119
MILL VALLEY, CA 94941
Internal Medicine
655 REDWOOD HWY, SUITE 200
MILL VALLEY, CA 94941
Neuromusculoskeletal Medicine & OMM
655 REDWOOD HWY, SUITE #160
MILL VALLEY, CA 94941
Family Medicine (Adult Medicine)
655 REDWOOD HWY, SUITE 375
MILL VALLEY, CA 94941
Internal Medicine
655 REDWOOD HWY, 200
MILL VALLEY, CA 94941
Psychiatry & Neurology (Forensic Psychiatry)
655 REDWOOD HWY, SUITE 271
MILL VALLEY, CA 94941
Family Medicine
655 REDWOOD HWY, SUITE 375
MILL VALLEY, CA 94941
Physical Therapist
655 REDWOOD HWY, SUITE 309
MILL VALLEY, CA 94941
Clinic/Center (Primary Care)
655 REDWOOD HWY
MILL VALLEY, CA 94941
Psychiatry & Neurology (Psychiatry)
655 REDWOOD HWY, STE 332
MILL VALLEY, CA 94941
Psychologist (Clinical)
655 REDWOOD HWY, SUITE 330
MILL VALLEY, CA 94941
Physician Assistant (Medical)
655 REDWOOD HWY, STE 246
MILL VALLEY, CA 94941

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457496655, enumerated as an "organization" on February 21, 2007.

The provider is located at 655 REDWOOD HWY 200 MILL VALLEY, CA 94941 and the phone number is (415) 383-6623.

Specialist with taxonomy code 174400000X.