Matthew Lee Gerling, DO
Internal Medicine Physician · Saint Louis, MO
Matthew Lee 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 Lee 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
- Record last updated
- May 23, 2023
- Medicaid ID
- 200096895 MO
- Medicare enrollment
- Enrolled (PECOS I20210731000212); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
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.
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- William Tschannen, PA-CPhysician Assistant1427651967
Verify Matthew Lee 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).
Matthew Lee Gerling among 2,604 internal medicine physician records in Missouri
Matthew Lee Gerling, DO is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 67% of them.
- NPI issued2017 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2006 among the 1,443 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Asim Ali, MDSaint Louis, MO 631311821047218
- Paul Altsheler, MDSaint Louis, MO 631311346225372
- Richard Bligh, MDSaint Louis, MO 631311306813050
- J Corder, MDSaint Louis, MO 631311184698987
- Thomas Greco, M.D.Saint Louis, MO 631311417920927
- Zahirul Haque, MDSaint Louis, MO 631311578536546
- Joseph Hilgeman, MDDes Peres, MO 631311407820145
- Andrea Holthaus, MDSaint Louis, MO 631311528031473
Common questions
What is Matthew Lee Gerling, DO's NPI number?
Matthew Lee 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 Lee 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 Lee 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 Lee Gerling, DO prescribe under Medicare Part D?
In 2024, Matthew Lee 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), 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.