Matthew Gerling, DO
Internal Medicine Physician · Saint Louis, MO
Matthew Gerling, DO is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1407387376, issued on Mar 23, 2017. Check the license (Missouri 2020020205, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Matthew Gerling
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2020020205 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3009 N Ballas RD Ste 390C, Saint Louis, MO 63131
- Phone
- (314) 996-3575
- Enumerated
- Mar 23, 2017
- Entity
- Type 1 · individual
Also registered at 3009 N Ballas RD Ste 390C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Duncan, MDInternal Medicine Physician1639601628
- Mai Hunt, M.D.Internal Medicine Physician1861464158
- Kimberly McClure, MDFamily Medicine Physician1942730320
- Barry Mossman, M.D.Internal Medicine Physician1053516294
- Lindsey O'Bryant, AGNP-CNurse Practitioner1831591403
- William Tschannen, PA-CPhysician Assistant1427651967
Verify Matthew Gerling 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 2020020205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
25% more Medicare Part D claims than the average internal medicine physician in 2024
3,963 Medicare Part D claims for 497 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium479 claims
- Lisinopril246 claims
- Amlodipine Besylate209 claims
- Hydrochlorothiazide158 claims
- Levothyroxine Sodium150 claims
- Losartan Potassium138 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.
Bills Medicare through one group practice
- Physician Groups LCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 941 in Saint Louis → All 2,604 in Missouri → Every provider in Saint Louis →
Other internal medicine physician records in Missouri
- Betty Abban, M.D.Springfield, MO1063893162
- Amer Abbas, MDSaint Louis, MO1508480666
- Fizza Abbas, MDSaint Louis, MO1588079230
- Marghoob Abbas, M.D.St Joseph, MO1588603781
- Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
- Sundas Abbas, MDRichmond Heights, MO1649790486
- Hajira Abbasi, DOSaint Louis, MO1194036947
- Catey Abbott, DOSaint Louis, MO1699355347
- David Abbott, MDRichmond Heights, MO1568448850
- Wael Abduljaber, MDSaint Louis, MO1174101489
Common questions
What is Matthew Gerling, DO's NPI number?
Matthew Gerling, DO's National Provider Identifier (NPI) is 1407387376, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Gerling, DO located?
The NPPES record lists a practice address at 3009 N Ballas RD Ste 390C, Saint Louis, MO, 63131. Phone: (314) 996-3575. Providers update this record themselves, so call before visiting.
How can I verify Matthew Gerling, DO's license?
NPPES lists Missouri license number 2020020205, 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 Matthew Gerling, DO prescribe under Medicare Part D?
In 2024, Matthew Gerling, DO had 3,963 Medicare Part D claims for 497 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.