Doctor profile · Federal record

Dr. Alexander Merson, MD

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

  • NPI 1194755983
  • Accepts Medicare
  • MIPS 87.4 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2379 65Th St
Brooklyn, NY 112044045
(718) 375-0392
fax (718) 375-4324
Mailing address
27 Beaumont St
Brooklyn, NY 112354103

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #196595
Medicaid
NY #01549802

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194755983. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,252
Distinct HCPCS
10
Medicare allowed
$249,837
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 1,057 129 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 834 271 $105
36415 Insertion of needle into vein for collection of blood sample 578 257 $3
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 572 257 $17
99212 Established patient office or other outpatient visit, 10-19 minutes 502 194 $67
J7050 Infusion, normal saline solution, 250 cc 179 39 $1
96360 Infusion into a vein for hydration, 31-60 minutes 159 36 $39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 132 132 $149
G0008 Administration of influenza virus vaccine 60 60 $36
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 59 59 $20

In context: peer comparison

Among 393 peers in Brooklyn Internal Medicine Physician, average services per provider: 326. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,401
Transactions
34
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Globus Medical, INC. 3 $669.96
Aimmune Therapeutics, INC. 6 $183.07
Ironwood Pharmaceuticals, INC 6 $164.05
Novo Nordisk INC 5 $99.70
Esperion Therapeutics, INC. 3 $60.71
Amgen INC. 3 $51.66
Phathom Pharmaceuticals, INC. 2 $51.40
Pfizer INC. 2 $46.10
Exact Sciences Corporation 1 $22.41
GlaxoSmithKline, LLC. 1 $21.15
AstraZeneca Pharmaceuticals Lp 1 $16.64
Lilly USA, LLC 1 $14.15

By nature of payment

Food and Beverage
$731
Travel and Lodging
$670

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,681
Patients
821
Total drug cost
$73,288
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 851 143 $7,793
Metoprolol Succinate Generic 531 95 $9,188
Metformin Hcl Generic 435 75 $4,069
Omeprazole Generic 411 75 $5,340
Rosuvastatin Calcium Generic 368 68 $7,990
Levothyroxine Sodium Generic 318 51 $4,468
Losartan Potassium Generic 287 49 $4,586
Atorvastatin Calcium Generic 253 55 $3,415
Carvedilol Generic 228 34 $2,096
Doxazosin Mesylate Generic 186 32 $3,942

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Merson's medical specialty?
Dr. Alexander Merson practices Internal Medicine Physician in Brooklyn, NY.
Where does Dr. Alexander Merson practice?
Dr. Alexander Merson practices at 2379 65Th St, Brooklyn, NY 112044045. Office phone: 7183750392.
What is Dr. Alexander Merson's NPI?
Dr. Alexander Merson's National Provider Identifier (NPI) is 1194755983, issued by NPPES.
Does Dr. Alexander Merson accept Medicare assignment?
Yes. Dr. Alexander Merson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Merson commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.