Doctor profile · Federal record
Dr. Deirdre Masterton, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Obstetrics Physician · Flemington, NJ
- NPI 1235314394
- Accepts Medicare
- MIPS 88.6 / 100 · 2023
- 22 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4 Walter E Foran Blvd, Suite 302
Flemington, NJ 088224664
(908) 284-5295
fax (908) 806-8570 - Mailing address
-
4 Walter E Foran Blvd Ste 302
Flemington, NJ 088224668
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- March 4, 2022
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (3)
- New Jersey #25MA08984000 · Montana #11711 · Rhode Island #LP00728
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235314394. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
252
Distinct HCPCS
7
Medicare allowed
$23,928
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 101 | 82 | $102 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 44 | 44 | $45 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 33 | $143 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 28 | 23 | $142 | |
76857 |
Limited ultrasound scan of pelvis | 15 | 12 | $56 | |
81002 |
Urinalysis, manual test | 15 | 15 | $3 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $126 |
In context: peer comparison
Among 7 peers in Flemington Obstetrics & Gynecology Physician, average services per provider: 37. This provider delivers 6.8× the peer median.Open Payments
Industry payments received
All-time total
$29
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 1 | $24.41 | |
| Organon LLC | 1 | $4.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
191
Patients
56
Total drug cost
$11,039
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 56 | 28 | $7,606 |
| Alendronate Sodium | Generic | 47 | 15 | $612 |
| Nora-Be (Norethindrone) | Brand | 27 | 0 | $482 |
| Clobetasol Propionate | Generic | 20 | 13 | $1,156 |
| Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) | Brand | 15 | 0 | $431 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 14 | 0 | $509 |
| Fluconazole | Generic | 12 | 0 | $242 |
Frequently asked questions
What is Dr. Deirdre Masterton's medical specialty?
Dr. Deirdre Masterton practices Obstetrics & Gynecology Physician in Flemington, NJ.
Where does Dr. Deirdre Masterton practice?
Dr. Deirdre Masterton practices at 4 Walter E Foran Blvd, Flemington, NJ 088224664. Office phone: 9082845295.
What is Dr. Deirdre Masterton's NPI?
Dr. Deirdre Masterton's National Provider Identifier (NPI) is 1235314394, issued by NPPES.
Does Dr. Deirdre Masterton accept Medicare assignment?
Yes. Dr. Deirdre Masterton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deirdre Masterton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.