Doctor profile · Federal record

Dr. Maria Lockhart, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · West Islip, NY

  • NPI 1801908249
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 Montauk Highway, South Bay OBGYN PC
West Islip, NY 117954401
(631) 587-2500
fax (631) 587-0292
Mailing address
45 Research Way Suites 204B, University Associates OBGYN
East Islip, NY 11733

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 23, 2016
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
New York #2060351
Medicaid
NY #01924510

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801908249. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
486
Distinct HCPCS
6
Medicare allowed
$28,211
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 120 120 $48
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous 111 111 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 92 78 $106
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 79 79 $52
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 45 40 $143
81002 Urinalysis, manual test 39 37 $3

In context: peer comparison

Among 6 peers in West Islip Obstetrics & Gynecology Physician, average services per provider: 50. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 1 $17.64

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
181
Patients
82
Total drug cost
$7,116
Drug Type Claims Patients Total cost
Alendronate Sodium Generic 44 14 $650
Nystatin Generic 41 30 $492
Triamcinolone Acetonide Generic 32 26 $231
Ibandronate Sodium Generic 27 0 $887
Estradiol Generic 25 12 $4,130
Raloxifene Hcl Generic 12 0 $726

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Lockhart's medical specialty?
Dr. Maria Lockhart practices Obstetrics & Gynecology Physician in West Islip, NY.
Where does Dr. Maria Lockhart practice?
Dr. Maria Lockhart practices at 320 Montauk Highway, West Islip, NY 117954401. Office phone: 6315872500.
What is Dr. Maria Lockhart's NPI?
Dr. Maria Lockhart's National Provider Identifier (NPI) is 1801908249, issued by NPPES.
Does Dr. Maria Lockhart accept Medicare assignment?
Yes. Dr. Maria Lockhart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Lockhart commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous (HCPCS G0328); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.