Grace A. Montenegro, M.D.
Colon & Rectal Surgery Physician · Saint Louis, MO
Grace A. Montenegro, M.D. is a colon & rectal surgery physician with a practice address in Saint Louis, Missouri, and NPI 1497948087, issued on Aug 27, 2007. Check the license (Missouri 2013017017, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Grace A. Montenegro
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 2013017017 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1008 S Spring Ave, Saint Louis, MO 63110
- Phone
- (314) 977-3530
- Enumerated
- Aug 27, 2007
- Record last updated
- Feb 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 977-1630
- Medicare enrollment
- Enrolled (PECOS I20150818004590); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 35 in Missouri → Look up another NPI →
Also registered at 1008 S Spring Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sahar Al HusseinStudent in an Organized Health Care Education/Training Program1548101413
- Austin ArmstrongStudent in an Organized Health Care Education/Training Program1205538444
- Christopher Behr, MDSurgery Physician1962792473
- Michael Bernstein, M.D., PHDPlastic Surgery Physician1679695977
- Violet Brownsmith, MDStudent in an Organized Health Care Education/Training Program1568305704
- Akrin Chinnery, MDHospitalist Physician1801473079
Verify Grace A. Montenegro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2013017017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
153 Medicare Part D claims for 49 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
Most prescribed
- Metronidazole38 claims
- Ondansetron Hcl28 claims
- Scopolamine26 claims
- Ciprofloxacin Hcl19 claims
- Neomycin Sulfate19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $11.16
1 payment: food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace A. Montenegro among 35 colon & rectal surgery physician records in Missouri
Grace A. Montenegro, M.D. is one of 35 colon & rectal surgery physician records with a practice address in Missouri. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2003 · median 2003 among the 30 with a school on file
- Record last updated2021 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Missouri
There are 35 colon & rectal surgery physician records in Missouri.
All 35 in Missouri → Every provider in Saint Louis → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Tiffany Chan, MDSaint Louis, MO 631101588142657
- Michelle Cowan, MDSaint Louis, MO 631101104129642
- Steven Hunt, MDSaint Louis, MO 631081205853835
- Paul Wise, MDSaint Louis, MO 631081619076056
- Donald Summers, MDSaint Louis, MO 631171912961962
- Patrick ChizekSaint Louis, MO 631281245790294
- David Schuval, MDSt Louis, MO 631281114993706
- Ralph Silverman, MDSt Louis, MO 631281801899141
Common questions
What is Grace A. Montenegro, M.D.'s NPI number?
Grace A. Montenegro, M.D.'s National Provider Identifier (NPI) is 1497948087, issued on Aug 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Grace A. Montenegro, M.D. located?
The NPPES record lists a practice address at 1008 S Spring Ave, Saint Louis, MO, 63110. Phone: (314) 977-3530. Providers update this record themselves, so call before visiting.
How can I verify Grace A. Montenegro, M.D.'s license?
NPPES lists Missouri license number 2013017017, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grace A. Montenegro, M.D. prescribe under Medicare Part D?
In 2024, Grace A. Montenegro, M.D. had 153 Medicare Part D claims for 49 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Grace A. Montenegro, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.