DR. DEIRDRE C MASTERTON MD
NPI 1235314394
Obstetrics & Gynecology in Flemington, NJ

Active since January 08, 2008PECOS EnrolledAccepts Medicare Assignment
88.63/100
CMS Quality Rating
4 WALTER E FORAN BLVD, SUITE 302, FLEMINGTON, NJ 08822(908) 284-5295(908) 806-8570 Get Directions Write a Review

NPPES record last updated: March 4, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Deirdre C Masterton Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEIRDRE C MASTERTON MD (NPI 1235314394) is an individual obstetrics & gynecology provider in Flemington, New Jersey, licensed in New Jersey (25MA08984000) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS, is affiliated with Hunterdon Medical Center, and is a graduate of New York University School Of Medicine (2004).

NPPES Registry Identity

NPI1235314394
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. DEIRDRE C MASTERTONCredential: MD
Location Address4 WALTER E FORAN BLVD, SUITE 302Flemington, NJ 08822-4664
Mailing Address4 Walter E Foran Blvd Ste 302Flemington, NJ 08822-4668 · (908) 284-5295 · Fax (908) 806-8570
Fax(908) 806-8570
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2004
Enumeration DateJanuary 8, 2008
Last NPPES UpdateMarch 4, 2022
NPPES CertifiedMarch 4, 2022
NPI 1235314394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in NJ · 25MA08984000 Licensed in MT · 11711 Licensed in RI · LP00728
Definition

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.

Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 25MA08984000 (NJ)
4 WALTER E FORAN BLVD, Flemington, NJ 08822

Other Identifiers 1

Other2A6116Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Deirdre C Masterton Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305991035
PECOS Enrollment IDI20111129000166
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
90 services80 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
40 services35 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
40 services40 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
27 services24 patients
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
19 services17 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hunterdon Medical Center

Acute Care Hospitals · Flemington, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310005
Location2100 Wescott DriveFlemington, NJ 08822 · Hunterdon County
Birthing friendly

Robert Wood Johnson University Hospital - Somerset

Acute Care Hospitals · Somerville, NJ
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310048
Location110 Rehill AveSomerville, NJ 08876 · Somerset County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08822 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability100
Improvement Activities40
Cost62.12

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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 (Orthodontics and Dentofacial Orthopedics)
4 WALTER E FORAN BLVD, SUITE 205
FLEMINGTON, NJ 08822
Nurse Practitioner
4 WALTER E FORAN BLVD, SUITE 101
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 305
FLEMINGTON, NJ 08822
Obstetrics & Gynecology
4 WALTER E FORAN BLVD, SUITE 302
FLEMINGTON, NJ 08822
Nurse Practitioner (Women's Health)
4 WALTER E FORAN BLVD, STE 302
FLEMINGTON, NJ 08822

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Deirdre Masterton's NPI number?

The NPI number for Deirdre Masterton is 1235314394. It was assigned to this individual provider in the NPPES registry on January 8, 2008.

Where is Deirdre Masterton located?

Deirdre Masterton practices at 4 Walter E Foran Blvd Suite 302, Flemington, NJ 08822. The listed phone number is (908) 284-5295.

What is Deirdre Masterton's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Deirdre Masterton enrolled in Medicare?

Yes. Deirdre Masterton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Deirdre Masterton affiliated with any hospitals?

According to CMS data, Deirdre Masterton is affiliated with Hunterdon Medical Center and Robert Wood Johnson University Hospital - Somerset.

When was this NPI record last updated?

The NPPES record for Deirdre Masterton was last updated on March 4, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.