George H. Niesen, MD
Anesthesiology Physician · Chesterfield, MO
George H. Niesen, MD is an anesthesiology physician with a practice address in Chesterfield, Missouri, and NPI 1689784738, issued on Aug 30, 2006. Check the license (Missouri R5J87, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- George H. Niesen
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- R5J87 MO
Self-reported in NPPES; status is on the state search - Practice location
- 232 S Woods Mill RD, Chesterfield, MO 63017
- Phone
- (314) 205-6917
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100301000700); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,153 in Missouri → Look up another NPI →
Also registered at 232 S Woods Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify George H. Niesen 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 R5J87Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $137.88
6 payments; by number, the most common kind was food and beverage; the largest payer was Silk Road Medical, Inc. 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.
Bills Medicare through 3 group practices
- Comprehensive Anesthesia Care PCChesterfield, MO
- Midwest Anesthesia Providers SCSaint Peters, MO
- Western Anesthesiology Associates IncChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George H. Niesen among 1,153 anesthesiology physician records in Missouri
George H. Niesen, 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 fileYes · 62% of these records are
- Graduated1986 · median 2007 among the 718 with a school on file
- Record last updated2007 · 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).
38 anesthesiology physician records list a practice address in Chesterfield
They are 38 of the 2,132 NPPES records with a practice address in Chesterfield, and 1,153 anesthesiology physician records in Missouri.
All 1,153 in Missouri → Every provider in Chesterfield → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Freeman Brown, MDChesterfield, MO 630171215047394
- Jhonson FloresChesterfield, MO 630171245340397
- John Fontana, MDChesterfield, MO 630171760447940
- William Gibson, MDChesterfield, MO 630171770693822
- Keelara Gopalan, MDChesterfield, MO 630171164425401
- Jerold Jarchow, CRNAChesterfield, MO 630171922070390
- Thomas Kim, MDChesterfield, MO 630171497865547
- Frederick Lewis, M.D.Chesterfield, MO 630171881650307
Common questions
What is George H. Niesen, MD's NPI number?
George H. Niesen, MD's National Provider Identifier (NPI) is 1689784738, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George H. Niesen, MD located?
The NPPES record lists a practice address at 232 S Woods Mill RD, Chesterfield, MO, 63017. Phone: (314) 205-6917. Providers update this record themselves, so call before visiting.
How can I verify George H. Niesen, MD's license?
NPPES lists Missouri license number R5J87, 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.
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.