Doctor profile · Federal record

Dr. Gregory Shifrin, MD

Specialist (CMS: Obstetrics/Gynecology) · Brooklyn, NY

  • NPI 1477688604
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1766 E 12Th St
Brooklyn, NY 112291014
(718) 743-0505
fax (718) 339-0760

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
New York #202259

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477688604. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,145
Distinct HCPCS
10
Medicare allowed
$206,472
HCPCS Description Services Patients Avg allowed
87798 Detection test by nucleic acid for organism, amplified probe technique 421 176 $34
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 260 203 $144
93976 Ultrasound of abdomen and pelvis artery and vein blood flow 259 202 $170
87661 Detection test by nucleic acid for trichomonas vaginalis (genital parasite), amplified probe technique 211 176 $34
87801 Detection test by nucleic acid for multiple organisms, amplified probe(s) technique 211 176 $69
87563 Detection of mycoplasma genitalium by dna or rna probe 204 172 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 183 147 $105
76856 Complete ultrasound scan of pelvis 96 86 $127
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 90 90 $149
99203 New patient office or other outpatient visit, 30-44 minutes 43 43 $132

In context: peer comparison

Among 50 peers in Brooklyn Specialist, average services per provider: 234. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$392
Transactions
20
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Shield Therapeutics INC 4 $88.74
Astellas Pharma US INC 5 $86.58
Pfizer INC. 3 $71.95
Evofem Biosciences, INC. 2 $45.52
Ardelyx, INC. 1 $29.41
Biogen, INC. 1 $24.37
Mayne Pharma Commercial LLC 1 $18.89
Hologic Sales and Service, LLC 1 $14.41
Organon LLC 2 $12.62

By nature of payment

Food and Beverage
$392

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
398
Patients
193
Total drug cost
$27,945
Drug Type Claims Patients Total cost
Terconazole Generic 45 27 $1,383
Fluconazole Generic 44 34 $217
Estradiol Generic 38 16 $3,263
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 36 20 $1,275
Valacyclovir (Valacyclovir Hcl) Brand 35 11 $891
Doxycycline Hyclate Generic 32 30 $227
Premarin (Estrogens, Conjugated) Brand 31 12 $15,294
Metronidazole Generic 27 24 $1,176
Halobetasol Propionate Generic 24 0 $2,846
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 22 19 $263

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Shifrin's medical specialty?
Dr. Gregory Shifrin practices Specialist in Brooklyn, NY.
Where does Dr. Gregory Shifrin practice?
Dr. Gregory Shifrin practices at 1766 E 12Th St, Brooklyn, NY 112291014. Office phone: 7187430505.
What is Dr. Gregory Shifrin's NPI?
Dr. Gregory Shifrin's National Provider Identifier (NPI) is 1477688604, issued by NPPES.
Does Dr. Gregory Shifrin accept Medicare assignment?
Yes. Dr. Gregory Shifrin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Shifrin commonly perform?
Top Medicare-reported procedures in 2023: Detection test by nucleic acid for organism, amplified probe technique (HCPCS 87798); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830); Ultrasound of abdomen and pelvis artery and vein blood flow (HCPCS 93976). Source: CMS Medicare Physician & Other Practitioners file.