GERIATRIC PROFESSIONAL SERVICES INC.
NPI 1760490569
Internal Medicine - Geriatric Medicine in Barstow, CA

NPI Status: Active since August 04, 2006

Contact Information

555 S 7TH AVE
BARSTOW, CA
ZIP 92311
Phone: (760) 256-1761

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  • Organization
  • Internal Medicine
  • Geriatric Medicine

About GERIATRIC PROFESSIONAL SERVICES INC.

This page provides the complete NPI Profile along with additional information for Geriatric Professional Services Inc., an internist established in Barstow, California operating as a Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1760490569 assigned on August 2006. The practitioner's primary taxonomy code is 207RG0300X with license number C51487 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Geriatric Professional Services Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Mustafa Firoz Md (Physician/owner)

NPI
1760490569
Provider Name
GERIATRIC PROFESSIONAL SERVICES INC.
Entity Type
Organization
Location Address
555 S 7TH AVE BARSTOW, CA 92311
Location Phone
(760) 256-1761
Mailing Address
6484 BRANCH CT CORONA, CA 92880
Mailing Phone
(951) 479-1980
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-04-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Geriatric Professional Services 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 Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
License No.
C51487
License State
CA
Taxonomy Description
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

C51487 (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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. MUSTAFA FIROZ MD

Authorized Official Title
PHYSICIAN/OWNER
Authorized Official Phone
(951) 479-1980

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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 1760490569, 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
7
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 4 → 8 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 2 + 0 + 8 + 9 + 0 + 5 + 1 + 2 + 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 1760490569.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
555 S 7TH AVE
BARSTOW, CA 92311
Emergency Medicine
555 S 7TH AVE
BARSTOW, CA 92311
Radiology (Diagnostic Radiology)
555 S 7TH AVE
BARSTOW, CA 92311
Anesthesiology
555 S 7TH AVE
BARSTOW, CA 92311
Emergency Medicine
555 S 7TH AVE
BARSTOW, CA 92311
Anesthesiology
555 S 7TH AVE
BARSTOW, CA 92311
Nurse Practitioner (Family)
555 S 7TH AVE
BARSTOW, CA 92311
Specialist
555 S 7TH AVE
BARSTOW, CA 92311
Hospitalist
555 S 7TH AVE
BARSTOW, CA 92311
Pathology (Clinical Pathology)
555 S 7TH AVE
BARSTOW, CA 92311
Nurse Practitioner
555 S 7TH AVE
BARSTOW, CA 92311
Emergency Medicine
555 S 7TH AVE
BARSTOW, CA 92311
Emergency Medicine
555 S 7TH AVE
BARSTOW, CA 92311
Radiology (Diagnostic Radiology)
555 S 7TH AVE
BARSTOW, CA 92311
Ambulance (Air Transport)
555 S 7TH AVE
BARSTOW, CA 92311

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1760490569, enumerated as an "organization" on August 04, 2006.

The provider is located at 555 S 7TH AVE BARSTOW, CA 92311 and the phone number is (760) 256-1761.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.