ADVANCED OBSTETRIC & GYN LLC
NPI 1205882602
Obstetrics & Gynecology in Flemington, NJ

NPI Status: Active since May 26, 2006

Contact Information

4 WALTER E FORAN BLVD
SUITE 302
FLEMINGTON, NJ
ZIP 08822
Phone: (908) 806-0080
Fax: (908) 806-8570

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  • Organization
  • Obstetrics & Gynecology
  • CLIA Number: 31D1022593
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 02-19-2028

About ADVANCED OBSTETRIC & GYN LLC

This page provides the complete NPI Profile along with additional information for Advanced Obstetric & Gyn Llc, a women's health care provider established in Flemington, New Jersey operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1205882602 assigned on May 2006. The practitioner's primary taxonomy code is 207V00000X. The provider is registered as an organization and their NPI record was last updated June 2026. 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 . The authorized official of this NPI record is Deirdre C Masterton Md (Physician Owner)

NPI
1205882602
Provider Legal Name
ADVANCED OBSTETRIC & GYN LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
4 WALTER E FORAN BLVD SUITE 302 FLEMINGTON, NJ 08822
Location Phone
(908) 806-0080
Location Fax
(908) 806-8570
Mailing Address
4 WALTER E FORAN BLVD STE 302 FLEMINGTON, NJ 08822
Mailing Phone
(631) 897-6837
Mailing Fax
(908) 806-8570
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-26-2006
Last Update Date
06-11-2026
Code Navigator

Women's health care providers like Advanced Obstetric & Gyn Llc 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

Secondary Locations

  • 1100 Wescott Dr Ste 203
    Flemington, NJ 08822
    (908) 284-5293
  • 1390 Route 22 West Suite 104
    Lebanon, NJ 08833
    (908) 806-0080
  • 3322 US Highway 22 W Ste 204
    Branchburg, NJ 08876
    (908) 806-0080

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
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)
1174400000XOther Service Providers

Specialist

(NJ)

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

DEIRDRE C MASTERTON MD

Authorized Official Title
PHYSICIAN OWNER
Authorized Official Phone
(908) 806-0080

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
8597707MEDICAID (05)NJ 
2A6047OTHER (01)PTAN
002785927001MEDICAID (05)NJ 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
31D1022593
Facility Type
Physician Office
Certificate Effective Date
February 20, 2026
Certificate Expiration Date
February 19, 2028
Laboratory Director
SETH M. RUBIN MD
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Advanced Obstetric & Gyn Llc in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

Reviews for ADVANCED OBSTETRIC & GYN LLC

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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 1205882602, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 0 + 5 + 1 + 6 + 8 + 4 + 6 + 0 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1205882602.

Other Providers at the Same Location


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

Dentist (General Practice)
4 WALTER E FORAN BLVD, SUITE 403
FLEMINGTON, NJ 08822
Dentist (General Practice)
4 WALTER E FORAN BLVD, SUITE 305
FLEMINGTON, NJ 08822
Dentist (General Practice)
4 WALTER E FORAN BLVD, SUITE 204
FLEMINGTON, NJ 08822
Nurse Practitioner (Women's Health)
4 WALTER E FORAN BLVD, STE 302
FLEMINGTON, NJ 08822
Family Medicine
4 WALTER E FORAN BLVD, SUITE 103
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Dentist (General Practice)
4 WALTER E FORAN BLVD, SUITE 305
FLEMINGTON, NJ 08822
Dentist (Orthodontics and Dentofacial Orthopedics)
4 WALTER E FORAN BLVD, SUITE 205
FLEMINGTON, NJ 08822
Family Medicine
4 WALTER E FORAN BLVD, SUITE 409
FLEMINGTON, NJ 08822
Family Medicine
4 WALTER E FORAN BLVD, SUITE 408
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Internal Medicine
4 WALTER E FORAN BLVD, SUITE 101
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Dentist (General Practice)
4 WALTER E FORAN BLVD, SUITE 204
FLEMINGTON, NJ 08822
Physical Therapist
4 WALTER E FORAN BLVD, SUITE 203
FLEMINGTON, NJ 08822
Dentist (General Practice)
4 WALTER E FORAN BLVD, SUITE 403
FLEMINGTON, NJ 08822

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205882602, enumerated as an "organization" on May 26, 2006.

The provider is located at 4 WALTER E FORAN BLVD SUITE 302 FLEMINGTON, NJ 08822 and the phone number is (908) 806-0080.

Obstetrics & Gynecology with taxonomy code 207V00000X.

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