Doctor profile · Federal record

Dr. Oksana Genzer, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Brooklyn, NY

  • NPI 1659638534
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 55Th St, Station 12
Brooklyn, NY 112202508
(718) 630-7942
fax (718) 630-7857
Mailing address
5800 3Rd Ave
Brooklyn, NY 112203702

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
August 6, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #280910

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659638534. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
3
Medicare allowed
$8,208
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 47 31 $73
99213 Established patient office or other outpatient visit, 20-29 minutes 37 25 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 17 15 $112

In context: peer comparison

Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $22.88
Merck Sharp & Dohme LLC 1 $21.64

By nature of payment

Food and Beverage
$45

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,472
Patients
554
Total drug cost
$65,176
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 363 88 $5,613
Diclofenac Sodium Generic 287 66 $24,872
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 199 39 $7,417
Metformin Hcl Generic 199 38 $7,140
Amlodipine Besylate Generic 182 48 $1,514
Famotidine Generic 171 35 $5,973
Gabapentin Generic 150 35 $1,313
Levothyroxine Sodium Generic 144 29 $1,732
Omeprazole Generic 142 33 $1,619
Metoprolol Succinate Generic 119 26 $2,064

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Oksana Genzer's medical specialty?
Dr. Oksana Genzer practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Oksana Genzer practice?
Dr. Oksana Genzer practices at 150 55Th St, Brooklyn, NY 112202508. Office phone: 7186307942.
What is Dr. Oksana Genzer's NPI?
Dr. Oksana Genzer's National Provider Identifier (NPI) is 1659638534, issued by NPPES.
Does Dr. Oksana Genzer accept Medicare assignment?
Yes. Dr. Oksana Genzer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oksana Genzer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.