Physician Profile
Grace A. Montenegro, M.D.
Unclaimed ProfileAbout Dr. Montenegro
Based in Saint Louis, MO, Grace A. Montenegro, M.D. is listed in the NPI registry under colon & rectal surgery. Medicare claims data shows Grace provided 126 services to 95 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 977-3530
- Email not available
Practice Locations
1008 S SPRING AVE
Saint Louis, MO 63110
Procedures Most Often Billed to Medicare
126 services · 95 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
11 | Less often than most peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
31 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 | Less often than most peers in Colon & Rectal Surgery |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
18 | Less often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 | Less often than most peers in Colon & Rectal Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other colorectal surgeons in Saint Louis 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 7
Providers in MO who bill this service to Medicare most often.
Common questions
What is Grace A. Montenegro's specialty?
Grace A. Montenegro is a colorectal surgeon in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where can I find Grace A. Montenegro?
Grace A. Montenegro is listed at 1008 S Spring Ave, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Grace A. Montenegro?
The number on file is (314) 977-3530. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Grace A. Montenegro?
Grace A. Montenegro's National Provider Identifier is 1497948087. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Grace A. Montenegro's education?
Grace A. Montenegro attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Grace A. Montenegro have?
Grace A. Montenegro has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What is Grace A. Montenegro known for?
According to Medicare billing data, Grace A. Montenegro performs procedures including diagnostic exam of anus using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Grace A. Montenegro's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Grace A. Montenegro. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.