GLENN A. MARSHAK, M.D. MEDICAL CORPORATION
NPI 1144464140
Internal Medicine in Beverly Hills, CA

NPI Status: Active since April 22, 2009

Contact Information

8670 WILSHIRE BLVD STE 206
BEVERLY HILLS, CA
ZIP 90211
Phone: (310) 855-0752
Fax: (310) 855-0753

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  • Organization
  • Internal Medicine

About GLENN A. MARSHAK, M.D. MEDICAL CORPORATION

This page provides the complete NPI Profile along with additional information for Glenn A. Marshak, M.d. Medical Corporation, an internist established in Beverly Hills, California operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1144464140 assigned on April 2009. The practitioner's primary taxonomy code is 207R00000X with license number G78454 (CA). The provider is registered as an organization and their NPI record was last updated 17 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. Glenn A Marshak M.d. (Ceo)

NPI
1144464140
Provider Name
GLENN A. MARSHAK, M.D. MEDICAL CORPORATION
Entity Type
Organization
Location Address
8670 WILSHIRE BLVD STE 206 BEVERLY HILLS, CA 90211
Location Phone
(310) 855-0752
Location Fax
(310) 855-0753
Mailing Address
8670 WILSHIRE BLVD STE 206 BEVERLY HILLS, CA 90211
Mailing Phone
(310) 855-0752
Mailing Fax
(310) 855-0753
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-22-2009
Last Update Date
04-22-2009
Code Navigator

An internist like Glenn A. Marshak, M.d. Medical Corporation 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
G78454
License State
CA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive 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. GLENN A MARSHAK M.D.

Authorized Official Title
CEO
Authorized Official Phone
(310) 855-0752

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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 1144464140, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 4 → 8 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 8 + 6 + 8 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1144464140.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Clinic/Center (Medical Specialty)
8670 WILSHIRE BLVD STE 206
BEVERLY HILLS, CA 90211
Technician, Other
8670 WILSHIRE BLVD STE 206
BEVERLY HILLS, CA 90211
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
8670 WILSHIRE BLVD STE 206
BEVERLY HILLS, CA 90211
Orthopaedic Surgery (Sports Medicine)
8670 WILSHIRE BLVD STE 206
BEVERLY HILLS, CA 90211

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144464140, enumerated as an "organization" on April 22, 2009.

The provider is located at 8670 WILSHIRE BLVD STE 206 BEVERLY HILLS, CA 90211 and the phone number is (310) 855-0752.

Internal Medicine with taxonomy code 207R00000X.