Thomas Heitker, MD
Internal Medicine Physician · Saint Louis, MO
Thomas Heitker, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1841647955, issued on May 18, 2016. Check the license (Missouri 2019026483, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Thomas Heitker
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2019026483 MO
Self-reported in NPPES; status is on the state search - Practice location
- 915 N Grand Blvd, Saint Louis, MO 63106
- Phone
- (314) 289-7659
- Enumerated
- May 18, 2016
- Record last updated
- Dec 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (314) 289-6595
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 915 N Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nagla Abdelmalek, M.D.Emergency Medicine Physician1003847591
- Stephanie AdamsRegistered Nurse1003755810
- Jessica Addai, RNRegistered Nurse1225475171
- Bernadette Addison-TannerCase Management Registered Nurse1750143566
- Oluwafunmilayo Adebayo-Adonis, MDCritical Care Medicine (Anesthesiology) Physician1437593613
- Oluwatoyin Adegboyega, FNPFamily Nurse Practitioner1932724614
Verify Thomas Heitker 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 2019026483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
114 Medicare Part D claims for 16 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate13 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.
Thomas Heitker among 2,604 internal medicine physician records in Missouri
Thomas Heitker, MD 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 2016, is newer than 64% of them.
- NPI issued2016 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2019 · 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
- Ajit Babu, MD, MPHSaint Louis, MO 631061124080452
- Clarence Bell, M.D.Saint Louis, MO 631061063418291
- Carlos Bernal, MDSaint Louis, MO 631061073531497
- Gail Birkenmeier, M.D.Saint Louis, MO 631061255380440
- Roque Castillo, M.D.Saint Louis, MO 631061417971144
- Margaret Hochreiter, M.D.Saint Louis, MO 631061932151172
- Syed Hussain, MD.Saint Louis, MO 631061205813714
- Laura Kroupa, M.D.Saint Louis, MO 631061740249911
Common questions
What is Thomas Heitker, MD's NPI number?
Thomas Heitker, MD's National Provider Identifier (NPI) is 1841647955, issued on May 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Heitker, MD located?
The NPPES record lists a practice address at 915 N Grand Blvd, Saint Louis, MO, 63106. Phone: (314) 289-7659. Providers update this record themselves, so call before visiting.
How can I verify Thomas Heitker, MD's license?
NPPES lists Missouri license number 2019026483, 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 Thomas Heitker, MD prescribe under Medicare Part D?
In 2024, Thomas Heitker, MD had 114 Medicare Part D claims for 16 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.