Doctor profile · Federal record

Dr. Ronald St Louis, MD

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

  • NPI 1336153303
  • Accepts Medicare
  • MIPS 10.1 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3327 Bainbridge Ave
Bronx, NY 104672801
(718) 324-6365
fax (718) 881-5700
Mailing address
1333A North Ave, P.M.B.709
New Rochelle, NY 108042120

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 19, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #173155
Medicaid
NY #01569566

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336153303. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,799
Distinct HCPCS
6
Medicare allowed
$214,676
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,229 149 $122
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 246 94 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 112 63 $148
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 105 70 $207
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 92 60 $45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 14 $91

In context: peer comparison

Among 242 peers in Bronx Internal Medicine Physician, average services per provider: 134. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$100
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Calliditas Therapeutics US INC. 2 $46.69
Boehringer Ingelheim Pharmaceuticals, INC. 1 $33.68
Otsuka America Pharmaceutical, INC. 1 $19.80

By nature of payment

Food and Beverage
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
9,774
Patients
1,019
Total drug cost
$282,659
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,831 182 $17,333
Amlodipine Besylate Generic 1,059 150 $6,800
Metformin Hcl Generic 591 77 $4,231
Gabapentin Generic 588 51 $4,954
Nifedipine ER (Nifedipine) Brand 586 53 $14,992
Eliquis (Apixaban) Brand 563 50 $181,303
Lisinopril Generic 548 43 $3,077
Mirtazapine Generic 545 48 $9,493
Metoprolol Tartrate Generic 532 44 $3,461
Furosemide Generic 510 54 $2,639

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald St Louis's medical specialty?
Dr. Ronald St Louis practices Internal Medicine Physician in Bronx, NY.
Where does Dr. Ronald St Louis practice?
Dr. Ronald St Louis practices at 3327 Bainbridge Ave, Bronx, NY 104672801. Office phone: 7183246365.
What is Dr. Ronald St Louis's NPI?
Dr. Ronald St Louis's National Provider Identifier (NPI) is 1336153303, issued by NPPES.
Does Dr. Ronald St Louis accept Medicare assignment?
Yes. Dr. Ronald St Louis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald St Louis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.