ABASS CONTEH
NPI 1841879673
General Practice in Palo Alto, CA

NPI Status: Active since April 07, 2021

Contact Information

875 BLAKE WILBUR DR
PALO ALTO, CA
ZIP 94304
Phone: (650) 736-1111

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  • Individual
  • Male
  • General Practice

About ABASS CONTEH

This page provides the complete NPI Profile along with additional information for Abass Conteh, a primary care provider established in Palo Alto, California with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1841879673 assigned on April 2021. The practitioner's primary taxonomy code is 208D00000X with license number A180937 (CA). The provider is registered as an individual and his NPI record was last updated December 2025.

NPI
1841879673
Provider Name
ABASS CONTEH
Gender
Male
Entity Type
Individual
Location Address
875 BLAKE WILBUR DR PALO ALTO, CA 94304
Location Phone
(650) 736-1111
Mailing Address
875 BLAKE WILBUR DR PALO ALTO, CA 94304
Mailing Phone
(650) 736-1111
Is Sole Proprietor?
No
Enumeration Date
04-07-2021
Last Update Date
12-22-2025
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A primary care provider (PCP) like Abass Conteh sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
A180937
License State
CA
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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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 1841879673, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 4 → 8 8 → 16 → 7 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 6 + 7 + 1 + 8 + 6 + 1 + 4 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1841879673.

Other Providers at the Same Location


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

Psychiatry & Neurology (Neurology)
875 BLAKE WILBUR DR, RM CC2221
PALO ALTO, CA 94304
Internal Medicine
875 BLAKE WILBUR DR, CC2241
PALO ALTO, CA 94304
Specialist
875 BLAKE WILBUR DR, #2234
PALO ALTO, CA 94304
Internal Medicine (Medical Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Internal Medicine (Medical Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Internal Medicine (Medical Oncology)
875 BLAKE WILBUR DR, STANFORD CANCER CENTER
PALO ALTO, CA 94304
Pharmacist (Oncology)
875 BLAKE WILBUR DR, SUITE CC1101
PALO ALTO, CA 94304
Specialist
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Nurse Practitioner (Women's Health)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Internal Medicine
875 BLAKE WILBUR DR, STANFORD CANCER CENTER
PALO ALTO, CA 94304
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR, DEPT. RADIATION ONCOLOGY - CANCER CENTER
PALO ALTO, CA 94304
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR, MC 5847
PALO ALTO, CA 94304
Internal Medicine
875 BLAKE WILBUR DR, MC: 5826
PALO ALTO, CA 94304
Pharmacist
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Nurse Practitioner (Acute Care)
875 BLAKE WILBUR DR, OFFICE 2321
PALO ALTO, CA 94304
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR, MC 5847
PALO ALTO, CA 94304
Nurse Practitioner
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Nurse Practitioner (Family)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Internal Medicine (Hematology & Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841879673, enumerated as an "individual" on April 07, 2021.

The provider is located at 875 BLAKE WILBUR DR PALO ALTO, CA 94304 and the phone number is (650) 736-1111.

General Practice with taxonomy code 208D00000X.