Doctor profile · Federal record

Dr. Massini Merzkani, MD

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Saint Louis, MO

  • NPI 1184985566
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4921 Parkview Pl, Div Im Nephrology, Ste 5C
Saint Louis, MO 631101032
(314) 362-7603
fax (314) 362-5470
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Missouri #2020012683
Medicaid
MO #200084534

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184985566. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,069
Distinct HCPCS
7
Medicare allowed
$107,570
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 296 227 $172
81002 Urinalysis, manual test 266 152 $3
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 207 63 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 193 64 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 56 50 $172
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 30 $129
99214 Established patient office or other outpatient visit, 30-39 minutes 21 20 $126

In context: peer comparison

Among 28 peers in this city , average services per provider: 96. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$128
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, Inc. 2 $128.05

By nature of payment

Food and Beverage
$125
Education
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,814
Patients
1,237
Total drug cost
$106,115
Drug Type Claims Patients Total cost
Prednisone Generic 961 195 $6,131
Atorvastatin Calcium Generic 832 166 $7,626
Carvedilol Generic 640 131 $5,836
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 598 130 $4,550
Amlodipine Besylate Generic 518 114 $3,593
Famotidine Generic 425 90 $3,706
Pantoprazole Sodium Generic 390 69 $3,337
Acyclovir Generic 264 55 $3,690
Losartan Potassium Generic 210 54 $2,710
Tamsulosin Hcl Generic 205 46 $3,039

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Massini Merzkani's medical specialty?
Dr. Massini Merzkani practices Nephrology Physician in Saint Louis, MO.
Where does Dr. Massini Merzkani practice?
Dr. Massini Merzkani practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3143627603.
What is Dr. Massini Merzkani's NPI?
Dr. Massini Merzkani's National Provider Identifier (NPI) is 1184985566, issued by NPPES.
Does Dr. Massini Merzkani accept Medicare assignment?
Yes. Dr. Massini Merzkani accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Massini Merzkani commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Urinalysis, manual test (HCPCS 81002); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.