Gregory Warren Mattingly, M.D.
Psychiatry Physician · Saint Charles, MO
Gregory Warren Mattingly, M.D. is a psychiatry physician with a practice address in Saint Charles, Missouri, and NPI 1215933379, issued on Jun 23, 2005. Check the license (Missouri 102964, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Gregory Warren Mattingly
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 102964 MO
Self-reported in NPPES; status is on the state search - Practice location
- 330 1St Capitol Dr, Saint Charles, MO 63301
- Phone
- (636) 949-5760
- Enumerated
- Jun 23, 2005
- Record last updated
- Jan 26, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (636) 949-0729
- Medicare enrollment
- Enrolled (PECOS I20120410000409); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 330 1St Capitol Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Anderson, M.D., PHDPsychiatry Physician1700882859
- Erin Bufford, LPCProfessional Counselor1356857551
- Gail Gordon, LCSWClinical Social Worker1841305711
- Michael Houser, M.D.Family Medicine Physician1285710665
- Howard Ilivicky, M.D.Psychiatry Physician1093711152
- Donald Levy, M.D.Ophthalmology Physician1235179235
Verify Gregory Warren Mattingly 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 102964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.5 times the Medicare Part D claims of the average psychiatry physician in 2024
5,517 Medicare Part D claims for 409 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Alprazolam499 claims
- Clonazepam320 claims
- Lorazepam295 claims
- Bupropion Xl276 claims
- Trazodone Hcl234 claims
- Quetiapine Fumarate222 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: $827,012.48
821 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. 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
- St. Charles Psychiatric Associates, Inc.St Charles, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychiatry Physician providers in Missouri
There are 965 psychiatry physician records in Missouri.
Other psychiatry physician records in Missouri
- Elham Abbas, M.D.Raymore, MO1538509062
- Mehamed Abdi, MDColumbia, MO1821982224
- Nawfel Abdulameer, MDKansas City, MO1164818589
- Ahmed Abdulkadir, MDColumbia, MO1104496355
- Lachman Abichandani, M.D.St Louis, MO1508928342
- Balkozar Adam, M.D.Springfield, MO1053470948
- Wayne AdamsJoplin, MO1376478941
- Aniefiok Agarin, M.D.West Plains, MO1558611129
- Archna Aggarwal, M.D.Columbia, MO1649255936
- Sara AghaSaint Louis, MO1912585829
Common questions
What is Gregory Warren Mattingly, M.D.'s NPI number?
Gregory Warren Mattingly, M.D.'s National Provider Identifier (NPI) is 1215933379, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Warren Mattingly, M.D. located?
The NPPES record lists a practice address at 330 1St Capitol Dr, Saint Charles, MO, 63301. Phone: (636) 949-5760. Providers update this record themselves, so call before visiting.
How can I verify Gregory Warren Mattingly, M.D.'s license?
NPPES lists Missouri license number 102964, 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 Gregory Warren Mattingly, M.D. prescribe under Medicare Part D?
In 2024, Gregory Warren Mattingly, M.D. had 5,517 Medicare Part D claims for 409 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.