Mary Carolyn Gamache, M.D.
Cardiovascular Disease Physician · Saint Louis, MO
Mary Carolyn Gamache, M.D. is a cardiovascular disease physician with a practice address in Saint Louis, Missouri, and NPI 1639176860, issued on Jul 1, 2005. Check the license (Missouri R6H99, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mary Carolyn Gamache
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- R6H99 MO
Self-reported in NPPES; status is on the state search - Practice location
- 450 N New Ballas RD, Saint Louis, MO 63141
- Phone
- (314) 993-6969
- Enumerated
- Jul 1, 2005
- Record last updated
- Jun 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (314) 993-0792
- Medicaid ID
- 203017025 MO
- Medicare enrollment
- Enrolled (PECOS I20091211000608); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 446 in Missouri → Look up another NPI →
Also registered at 450 N New Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Bequette, AUDAudiologist1528215852
- Christopher Black, CRNAAnesthesiology Physician1427219286
- Mary Blatt, ODOptometrist1437154499
- Patricia Cole, MDCardiovascular Disease Physician1821081712
- Steven Couch, MDOphthalmology Physician1578590634
- Joseph Craft, M.D.Cardiovascular Disease Physician1568423721
Verify Mary Carolyn Gamache 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 R6H99Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.98
1 payment: food and beverage; the largest payer was Amgen Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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
- Mercy Clinic Heart And Vascular LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Carolyn Gamache among 446 cardiovascular disease physician records in Missouri
Mary Carolyn Gamache, M.D. is one of 446 cardiovascular disease physician records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1985 · median 1998 among the 293 with a school on file
- Record last updated2011 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Missouri
There are 446 cardiovascular disease physician records in Missouri.
All 446 in Missouri → Every provider in Saint Louis → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- John Brunts, MDSaint Louis, MO 631411578555066
- Patricia Cole, MDSaint Louis, MO 631411821081712
- Louis Deane, MDSaint Louis, MO 631411144212630
- Robert Ferrara, MDSaint Louis, MO 631411245222777
- Paul Howard, MDSaint Louis, MO 631411972506673
- John Hubert, M.D.Saint Louis, MO 631411902882202
- Mark Milunski, MDSaint Louis, MO 631411255338893
- John Nash, M.D.Saint Louis, MO 631411336125293
Common questions
What is Mary Carolyn Gamache, M.D.'s NPI number?
Mary Carolyn Gamache, M.D.'s National Provider Identifier (NPI) is 1639176860, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Carolyn Gamache, M.D. located?
The NPPES record lists a practice address at 450 N New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 993-6969. Providers update this record themselves, so call before visiting.
How can I verify Mary Carolyn Gamache, M.D.'s license?
NPPES lists Missouri license number R6H99, 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.
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.