Michael L. Hartmann, MD
Anesthesiology Physician · Saint Louis, MO
Michael L. Hartmann, MD is an anesthesiology physician with a practice address in Saint Louis, Missouri, and NPI 1871572743, issued on Jan 10, 2006. Check the license (Missouri 100579, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael L. Hartmann
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 100579 MO
Self-reported in NPPES; status is on the state search - Practice location
- 6420 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 768-8442
- Enumerated
- Jan 10, 2006
- Record last updated
- Feb 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,153 in Missouri → Look up another NPI →
Also registered at 6420 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael L. Hartmann 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 100579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.63
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 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.
Michael L. Hartmann among 1,153 anesthesiology physician records in Missouri
Michael L. Hartmann, MD is one of 1,153 anesthesiology physician records with a practice address in Missouri. 70% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2008 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
490 anesthesiology physician records list a practice address in Saint Louis
They are 490 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,153 anesthesiology physician records in Missouri.
All 1,153 in Missouri → Every provider in Saint Louis → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- John Alexander, MDSaint Louis, MO 631171477541100
- Jeffrey Bray, DOSt Louis, MO 631171245219088
- Stefan Eichhorn, MDSaint Louis, MO 631171053390971
- Vitaly Levin, MDSaint Louis, MO 631171770562654
- Robin Miller, DOSaint Louis, MO 631171881662641
- Maxwell Muench, DORichmond Heights, MO 631171043878945
- Kevin Oconnor, MDSt Louis, MO 631171417936246
- Rudraiah Raja-Sekhar, MDSaint Louis, MO 631171417936253
Common questions
What is Michael L. Hartmann, MD's NPI number?
Michael L. Hartmann, MD's National Provider Identifier (NPI) is 1871572743, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael L. Hartmann, MD located?
The NPPES record lists a practice address at 6420 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 768-8442. Providers update this record themselves, so call before visiting.
How can I verify Michael L. Hartmann, MD's license?
NPPES lists Missouri license number 100579, 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.
What is Michael L. Hartmann, MD's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.