DR. GERALD BENJAMIN DOERSAM MD
NPI 1245525088
Obstetrics & Gynecology in Modesto, CA

NPI Status: Active since June 09, 2011

Contact Information

830 SCENIC DR
MODESTO, CA
ZIP 95350
Phone: (209) 558-7164
Fax: (209) 558-8723

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  • Individual
  • Male
  • Obstetrics & Gynecology

About GERALD DOERSAM

This page provides the complete NPI Profile along with additional information for Gerald Doersam, a women's health care provider established in Modesto, California with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1245525088 assigned on June 2011. The practitioner's primary taxonomy code is 207V00000X with license number A49166 (CA). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1245525088
Provider Name
DR. GERALD BENJAMIN DOERSAM MD
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
830 SCENIC DR MODESTO, CA 95350
Location Phone
(209) 558-7164
Location Fax
(209) 558-8723
Mailing Address
830 SCENIC DR MODESTO, CA 95350
Mailing Phone
(209) 558-7164
Mailing Fax
(209) 558-8723
Is Sole Proprietor?
Yes
Enumeration Date
06-09-2011
Last Update Date
06-09-2011
Code Navigator

Women's health care providers like Gerald Doersam treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
A49166
License State
CA
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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)
1207V00000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology

08271 (ZZ)

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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 1245525088, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
8
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 5 → 10 → 1 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 1 + 0 + 2 + 1 + 0 + 0 + 1 + 6 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1245525088.

Other Providers at the Same Location


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

Surgery
830 SCENIC DR, SUITE B
MODESTO, CA 95350
Family Medicine
830 SCENIC DR
MODESTO, CA 95350
Neurological Surgery
830 SCENIC DR
MODESTO, CA 95350
Family Medicine
830 SCENIC DR
MODESTO, CA 95350
Occupational Therapist (Hand)
830 SCENIC DR
MODESTO, CA 95350
Physical Therapist
830 SCENIC DR
MODESTO, CA 95350
Pharmacist
830 SCENIC DR
MODESTO, CA 95350
Social Worker (Clinical)
830 SCENIC DR
MODESTO, CA 95350
Clinic/Center
830 SCENIC DR, SUITE B
MODESTO, CA 95350
Case Manager/Care Coordinator
830 SCENIC DR, BLDG.3
MODESTO, CA 95350
Case Manager/Care Coordinator
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR, BLDG 3 RM 7
MODESTO, CA 95350
Registered Nurse (Case Management)
830 SCENIC DR, BLDG 3
MODESTO, CA 95350
Case Manager/Care Coordinator
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR
MODESTO, CA 95350
Registered Nurse
830 SCENIC DR
MODESTO, CA 95350

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245525088, enumerated as an "individual" on June 09, 2011.

The provider is located at 830 SCENIC DR MODESTO, CA 95350 and the phone number is (209) 558-7164.

Obstetrics & Gynecology with taxonomy code 207V00000X.