Dominic Michael Demarco, MD
Psychiatry Physician · Saint Louis, MO
Dominic Michael Demarco, MD is a psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1659957223, issued on Mar 23, 2021. Check the license on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Dominic Michael Demarco
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 036175430 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1438 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 977-4850
- Enumerated
- Mar 23, 2021
- Record last updated
- Jun 25, 2025
- Fax
- (314) 977-5155
- Medicare enrollment
- Enrolled (PECOS I20250707000023); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 965 in Missouri → Look up another NPI →
Also registered at 1438 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dana Alhino, M.D,Student in an Organized Health Care Education/Training Program1750723177
- Hafsah Ali, MDStudent in an Organized Health Care Education/Training Program1396547782
- Samuel Apeldoorn, MDStudent in an Organized Health Care Education/Training Program1295437663
- Anna-Lee Asamoah, D.O.Psychiatry Physician1851824148
- Deniz Atilgan, MDEpilepsy Physician1699486936
- Ahmed Baig, M.D.Student in an Organized Health Care Education/Training Program1871933234
Verify Dominic Michael Demarco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing ArtsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average psychiatry physician in 2024
945 Medicare Part D claims for 73 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Trazodone Hcl78 claims
- Clonazepam72 claims
- Aripiprazole67 claims
- Fluoxetine Hcl45 claims
- Mirtazapine42 claims
- Quetiapine Fumarate42 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.
Industry payments in 2024: $108.09
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,693 providers of this specialty with any payment received $4,954.93 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
- Osf Multi-Specialty GroupPeoria, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dominic Michael Demarco among 965 psychiatry physician records in Missouri
Dominic Michael Demarco, MD is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 85% of them.
- NPI issued2021 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2021 · median 2003 among the 474 with a school on file
- Record last updated2025 · 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 2084P0800X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Missouri
There are 965 psychiatry physician records in Missouri.
All 965 in Missouri → Every provider in Saint Louis → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Michal Artal, MDSt Louis, MO 631041174548978
- Catalina Belean, M.D.Saint Louis, MO 631041205270626
- Anjan Bhattacharyya, MDSaint Louis, MO 631041134193162
- Mehret Gebretsadik, M.D.Saint Louis, MO 631041598966905
- Miggie Greenberg, MDSt Louis, MO 631041841216702
- George Grossberg, MDSaint Louis, MO 631041033135991
- John Hearn, MD, MASaint Louis, MO 631041912211343
- Mirela Marcu, MDSaint Louis, MO 631041639194442
Common questions
What is Dominic Michael Demarco, MD's NPI number?
Dominic Michael Demarco, MD's National Provider Identifier (NPI) is 1659957223, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Dominic Michael Demarco, MD located?
The NPPES record lists a practice address at 1438 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 977-4850. Providers update this record themselves, so call before visiting.
How can I verify Dominic Michael Demarco, MD's license?
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 Dominic Michael Demarco, MD prescribe under Medicare Part D?
In 2024, Dominic Michael Demarco, MD had 945 Medicare Part D claims for 73 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.