DR. MARK BIGDER M.D.
NPI 1306347679
Neurological Surgery in Palo Alto, CA

NPI Status: Active since February 22, 2018

Contact Information

213 QUARRY ROAD
STANFORD NEUROSCIENCE HEALTH CENTER
PALO ALTO, CA
ZIP 94304
Phone: (650) 723-6469
Fax: (650) 320-9443

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  • Individual
  • Male
  • Neurological Surgery

About MARK BIGDER

This page provides the complete NPI Profile along with additional information for Mark Bigder, a provider established in Palo Alto, California with a medical specialization in Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1306347679 assigned on February 2018. The practitioner's primary taxonomy code is 207T00000X with license number ME145531 (FL). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1306347679
Provider Name
DR. MARK BIGDER M.D.
Other Name
MARK GREGORY BIGDER
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
213 QUARRY ROAD STANFORD NEUROSCIENCE HEALTH CENTER PALO ALTO, CA 94304
Location Phone
(650) 723-6469
Location Fax
(650) 320-9443
Mailing Address
4500 SAN PABLO RD S JACKSONVILLE, FL 32224
Mailing Phone
(904) 953-2000
Is Sole Proprietor?
No
Enumeration Date
02-22-2018
Last Update Date
05-23-2020
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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

Neurological Surgery

Taxonomy Code
207T00000X
Type
Allopathic & Osteopathic Physicians
License No.
ME145531
License State
FL
Taxonomy Description
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207T00000XAllopathic & Osteopathic Physicians

Neurological Surgery

153531 (CA)

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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 1306347679, 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 0 → 0 3 → 6 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 6 + 4 + 1 + 4 + 6 + 1 + 4 + 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 1306347679.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Psychiatry & Neurology (Epilepsy)
213 QUARRY ROAD, 4TH FLOOR, ROOM 4871
PALO ALTO, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306347679, enumerated as an "individual" on February 22, 2018.

The provider is located at 213 QUARRY ROAD STANFORD NEUROSCIENCE HEALTH CENTER PALO ALTO, CA 94304 and the phone number is (650) 723-6469.

Neurological Surgery with taxonomy code 207T00000X.