EAST BAY GASTROENTEROLOGY MEDICAL GROUP, INC.
NPI 1881734515
Internal Medicine - Gastroenterology in Oakland, CA

NPI Status: Active since February 08, 2007

Contact Information

350 30TH ST
SUITE 305
OAKLAND, CA
ZIP 94609
Phone: (510) 832-2767
Fax: (510) 832-6713

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  • Organization
  • Internal Medicine
  • Gastroenterology

About EAST BAY GASTROENTEROLOGY MEDICAL GROUP, INC.

This page provides the complete NPI Profile along with additional information for East Bay Gastroenterology Medical Group, Inc., an internist established in Oakland, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1881734515 assigned on February 2007. The practitioner's primary taxonomy code is 207RG0100X. 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. Harvey W Olsen M.d. (President)

NPI
1881734515
Provider Name
EAST BAY GASTROENTEROLOGY MEDICAL GROUP, INC.
Entity Type
Organization
Location Address
350 30TH ST SUITE 305 OAKLAND, CA 94609
Location Phone
(510) 832-2767
Location Fax
(510) 832-6713
Mailing Address
350 30TH ST SUITE 305 OAKLAND, CA 94609
Mailing Phone
(510) 832-2767
Mailing Fax
(510) 832-6713
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-08-2007
Last Update Date
08-22-2020
Code Navigator

An internist like East Bay Gastroenterology Medical Group, Inc. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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. HARVEY W OLSEN M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(510) 832-2767

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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 1881734515, 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
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
Unchanged
Pos 9
1
Doubled → 2
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 8 → 16 → 7 7 → 14 → 5 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 4 + 3 + 8 + 5 + 2 + 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 1881734515.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
350 30TH ST, SUITE #525
OAKLAND, CA 94609
Internal Medicine
350 30TH ST, SUITE 411
OAKLAND, CA 94609
Internal Medicine
350 30TH ST, STE 320
OAKLAND, CA 94609
Family Medicine
350 30TH ST, SUITE 407
OAKLAND, CA 94609
Nurse Practitioner
350 30TH ST, SUITE 205
OAKLAND, CA 94609
Advanced Practice Midwife
350 30TH ST
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Internal Medicine (Pulmonary Disease)
350 30TH ST, STE. 520
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Internal Medicine (Pulmonary Disease)
350 30TH ST, STE.520
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 205
OAKLAND, CA 94609
Marriage & Family Therapist
350 30TH ST, SUITE 550
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Physician Assistant (Medical)
350 30TH ST, SUITE 100
OAKLAND, CA 94609
Obstetrics & Gynecology (Maternal & Fetal Medicine)
350 30TH ST, SUITE 208
OAKLAND, CA 94609
Urology
350 30TH ST, STE 100
OAKLAND, CA 94609
Internal Medicine (Pulmonary Disease)
350 30TH ST, 530
OAKLAND, CA 94609
Radiologic Technologist (Bone Densitometry)
350 30TH ST, #320
OAKLAND, CA 94609
Nurse Practitioner (Family)
350 30TH ST, SUITE 530
OAKLAND, CA 94609
Obstetrics & Gynecology (Obstetrics)
350 30TH ST, SUITE 205
OAKLAND, CA 94609

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881734515, enumerated as an "organization" on February 08, 2007.

The provider is located at 350 30TH ST SUITE 305 OAKLAND, CA 94609 and the phone number is (510) 832-2767.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.