Doctor profile · Federal record

Dr. Grace Montenegro, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Saint Louis, MO

  • NPI 1497948087
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1008 S Spring Ave
Saint Louis, MO 631102520
(314) 977-3530
fax (314) 977-1630

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
February 17, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Missouri #2013017017

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497948087. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
65
Distinct HCPCS
4
Medicare allowed
$6,542
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 12 $117
99213 Established patient office or other outpatient visit, 20-29 minutes 18 18 $64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 11 $128
99214 Established patient office or other outpatient visit, 30-39 minutes 12 11 $96

In context: peer comparison

Among 9 peers in Saint Louis Colon & Rectal Surgery Physician, average services per provider: 28. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$11
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $11.16

By nature of payment

Food and Beverage
$11

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
136
Patients
114
Total drug cost
$794
Drug Type Claims Patients Total cost
Metronidazole Generic 38 34 $66
Ciprofloxacin Hcl Generic 34 30 $75
Scopolamine Generic 27 25 $398
Ondansetron Hcl Generic 26 25 $36
Imiquimod Generic 11 0 $218

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Montenegro's medical specialty?
Dr. Grace Montenegro practices Colon & Rectal Surgery Physician in Saint Louis, MO.
Where does Dr. Grace Montenegro practice?
Dr. Grace Montenegro practices at 1008 S Spring Ave, Saint Louis, MO 631102520. Office phone: 3149773530.
What is Dr. Grace Montenegro's NPI?
Dr. Grace Montenegro's National Provider Identifier (NPI) is 1497948087, issued by NPPES.
Does Dr. Grace Montenegro accept Medicare assignment?
Yes. Dr. Grace Montenegro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Montenegro commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.