WOMEN'S PRIMARY HEALTH PHYSICIANS-ORANGE COUNTY, A MEDICAL GROUP, INC
NPI 1538381751
Obstetrics & Gynecology - Hospice and Palliative Medicine in Orange, CA

NPI Status: Active since May 03, 2007

Contact Information

1310 W. STEWART DRIVE
SUITE 406
ORANGE, CA
ZIP 92868
Phone: (949) 487-2850
Fax: (949) 487-0332

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NPPES record last updated: July 14, 2009. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Obstetrics & Gynecology
  • Hospice and Palliative Medicine

About WOMEN'S PRIMARY HEALTH PHYSICIANS-ORANGE COUNTY, A MEDICAL GROUP, INC

This page provides the complete NPI Profile along with additional information for Women's Primary Health Physicians-orange County, A Medical Group, Inc, a women's health care provider established in Orange, California operating as a Obstetrics & Gynecology, focusing in hospice and palliative medicine . The healthcare provider is registered in the NPI registry with number 1538381751 assigned on May 2007. The practitioner's primary taxonomy code is 207VH0002X. 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. E. Peter Anzaldo M.d. (President)

NPI
1538381751
Provider Name
WOMEN'S PRIMARY HEALTH PHYSICIANS-ORANGE COUNTY, A MEDICAL GROUP, INC
Entity Type
Organization
Location Address
1310 W. STEWART DRIVE SUITE 406 ORANGE, CA 92868
Location Phone
(949) 487-2850
Location Fax
(949) 487-0332
Mailing Address
P.O. BOX 2638 LAGUNA HILLS, CA 92654
Mailing Phone
(949) 487-2850
Mailing Fax
(949) 487-0332
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-03-2007
Last Update Date
07-14-2009
Code Navigator

Women's health care providers like Women's Primary Health Physicians-orange County, A Medical Group, Inc 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 Hospice and Palliative Medicine

Taxonomy Code
207VH0002X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An obstetrician/gynecologist with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.

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. E. PETER ANZALDO M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(949) 487-2850

Reviews for WOMEN'S PRIMARY HEALTH PHYSICIANS-ORANGE COUNTY, A MEDICAL GROUP, INC

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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 1538381751, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 6 + 8 + 2 + 7 + 1 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1538381751.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Specialist
1310 W. STEWART DRIVE, SUITE 503
ORANGE, CA 92868
Specialist
1310 W. STEWART DRIVE, SUITE 503
ORANGE, CA 92868
Plastic Surgery
1310 W. STEWART DRIVE, SUITE 214
ORANGE, CA 92868
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1310 W. STEWART DRIVE, SUITE 503
ORANGE, CA 92868
Preferred Provider Organization
1310 W. STEWART DRIVE, SUITE #506
ORANGE, CA 92868
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1310 W. STEWART DRIVE, SUITE 503
ORANGE, CA 92868
Pediatrics
1310 W. STEWART DRIVE, SUITE 508
ORANGE, CA 92868
Pediatrics
1310 W. STEWART DRIVE, SUITE 508
ORANGE, CA 92868

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538381751, enumerated as an "organization" on May 03, 2007.

The provider is located at 1310 W. STEWART DRIVE SUITE 406 ORANGE, CA 92868 and the phone number is (949) 487-2850.

Obstetrics & Gynecology with taxonomy code 207VH0002X and a focus in Hospice and Palliative Medicine.