NPPES file of Aug 9, 2026

Matthew H. Nissing, MD

Gastroenterology Physician · Saint Louis, MO

Matthew H. Nissing, MD is a gastroenterology physician with a practice address in Saint Louis, Missouri, and NPI 1558324418, issued on Apr 10, 2006. Check the license (Missouri 2002007106, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558324418
Name
Matthew H. Nissing
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
2002007106 MO
Self-reported in NPPES; status is on the state search
Practice location
915 N Grand Blvd, Saint Louis, MO 63106
Phone
(314) 289-6434
Enumerated
Apr 10, 2006
Record last updated
Apr 3, 2024
Medicaid ID
200603702 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 915 N Grand Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nagla Abdelmalek, M.D.Emergency Medicine Physician1003847591
  2. Stephanie AdamsRegistered Nurse1003755810
  3. Jessica Addai, RNRegistered Nurse1225475171
  4. Bernadette Addison-TannerCase Management Registered Nurse1750143566
  5. Oluwafunmilayo Adebayo-Adonis, MDCritical Care Medicine (Anesthesiology) Physician1437593613
  6. Oluwatoyin Adegboyega, FNPFamily Nurse Practitioner1932724614

Verify Matthew H. Nissing in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2002007106
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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72% fewer Medicare Part D claims than the average gastroenterology physician in 2024

231 Medicare Part D claims for 125 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Matthew Nissing231
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium93 claims
  2. Famotidine34 claims
  3. Mesalamine21 claims
  4. Omeprazole19 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.

Matthew H. Nissing among 414 gastroenterology physician records in Missouri

Matthew H. Nissing, MD is one of 414 gastroenterology physician records with a practice address in Missouri. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 47% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2024 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Missouri

There are 414 gastroenterology physician records in Missouri.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Sami Almaskeen, M.D.Saint Louis, MO 631061992969307
  2. Jill Elwing, MDSaint Louis, MO 631061821022682
  3. Melissa Kaltenbach, M.D.Saint Louis, MO 631061770945206
  4. Marc Levin, MDSaint Louis, MO 631061861423378
  5. Mauricio Lisker Melman, MDSaint Louis, MO 631061366468670
  6. Gregory Sayuk, MDSaint Louis, MO 631061760494280
  7. Luqman Baloch, M.D.Saint Louis, MO 631041144753062
  8. Alex Befeler, MDSaint Louis, MO 631041881602753

Common questions

What is Matthew H. Nissing, MD's NPI number?

Matthew H. Nissing, MD's National Provider Identifier (NPI) is 1558324418, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew H. Nissing, MD located?

The NPPES record lists a practice address at 915 N Grand Blvd, Saint Louis, MO, 63106. Phone: (314) 289-6434. Providers update this record themselves, so call before visiting.

How can I verify Matthew H. Nissing, MD's license?

NPPES lists Missouri license number 2002007106, 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 H. Nissing, MD prescribe under Medicare Part D?

In 2024, Matthew H. Nissing, MD had 231 Medicare Part D claims for 125 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.