WESTERN HEMATOLOGY ONCOLOGY
NPI 1497821490
Internal Medicine - Hematology & Oncology in Glendale, CA

NPI Status: Active since November 28, 2006

Contact Information

435 ARDEN AVE
SUITE 520
GLENDALE, CA
ZIP 91203
Phone: (818) 247-5440
Fax: (818) 241-8713

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  • Organization
  • Internal Medicine
  • Hematology & Oncology

About WESTERN HEMATOLOGY ONCOLOGY

This page provides the complete NPI Profile along with additional information for Western Hematology Oncology, an internist established in Glendale, California operating as a Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1497821490 assigned on November 2006. The practitioner's primary taxonomy code is 207RH0003X. 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 provider's is doing business as Western Hematology Oncology. The authorized official of this NPI record is Mr. Eli Nathan Gunnell (Office Manager)

NPI
1497821490
Provider Legal Name
JOHN C. GUNNELL, M.D.
Other Organization Name
WESTERN HEMATOLOGY ONCOLOGY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
435 ARDEN AVE SUITE 520 GLENDALE, CA 91203
Location Phone
(818) 247-5440
Location Fax
(818) 241-8713
Mailing Address
435 ARDEN AVE SUITE 520 GLENDALE, CA 91203
Mailing Phone
(818) 247-5440
Mailing Fax
(818) 241-8713
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-28-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Western Hematology Oncology 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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

MR. ELI NATHAN GUNNELL

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(818) 247-5440

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
GR0085260MEDICAID (05)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 1497821490, 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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 9 → 18 → 9 8 → 16 → 7 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 6 + 2 + 2 + 4 + 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 1497821490.

Other Providers at the Same Location


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

Neurological Surgery
435 ARDEN AVE, 380
GLENDALE, CA 91203
Surgery (Vascular Surgery)
435 ARDEN AVE, SUITE 550
GLENDALE, CA 91203
Psychiatry & Neurology (Neurology)
435 ARDEN AVE, STE 550
GLENDALE, CA 91203
Obstetrics & Gynecology (Reproductive Endocrinology)
435 ARDEN AVE, SUITE 340
GLENDALE, CA 91203
Psychiatry & Neurology (Neurology)
435 ARDEN AVE, SUITE 540
GLENDALE, CA 91203
Internal Medicine (Cardiovascular Disease)
435 ARDEN AVE, # 410
GLENDALE, CA 91203
Internal Medicine (Cardiovascular Disease)
435 ARDEN AVE, 410
GLENDALE, CA 91203
Internal Medicine (Infectious Disease)
435 ARDEN AVE, SUITE 350
GLENDALE, CA 91203
Orthopaedic Surgery
435 ARDEN AVE, SUITE 530
GLENDALE, CA 91203
Chiropractor
435 ARDEN AVE, SUITE 120
GLENDALE, CA 91203
Neurological Surgery
435 ARDEN AVE, #380
GLENDALE, CA 91203
Family Medicine
435 ARDEN AVE, STE 440
GLENDALE, CA 91203
Internal Medicine (Rheumatology)
435 ARDEN AVE, #510
GLENDALE, CA 91203
Chiropractor
435 ARDEN AVE, SUITE 120
GLENDALE, CA 91203
Physical Therapist
435 ARDEN AVE, #370
GLENDALE, CA 91203
Clinic/Center
435 ARDEN AVE, #435
GLENDALE, CA 91203
Physical Therapist
435 ARDEN AVE, SUITE 370
GLENDALE, CA 91203
Chiropractor
435 ARDEN AVE, SUITE 120
GLENDALE, CA 91203
Psychiatry & Neurology (Neurology)
435 ARDEN AVE, SUITE 560
GLENDALE, CA 91203
Dermatology
435 ARDEN AVE, SUITE 435
GLENDALE, CA 91203

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497821490, enumerated as an "organization" on November 28, 2006.

The provider is located at 435 ARDEN AVE SUITE 520 GLENDALE, CA 91203 and the phone number is (818) 247-5440.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.