Andrew S. Oster, M.D.
Pediatric Anesthesiology Physician · Saint Louis, MO
Andrew S. Oster, M.D. is a pediatric anesthesiology physician with a practice address in Saint Louis, Missouri, and NPI 1508200775, issued on Apr 18, 2013. Check the license (Missouri 2013021775, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Andrew S. Oster
- Credential
- M.D.
- Primary taxonomy
- Pediatric Anesthesiology Physician 207LP3000X
- License number
- 2013021775 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1465 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 577-8750
- Enumerated
- Apr 18, 2013
- Record last updated
- Sep 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (314) 268-5102
- Medicare enrollment
- Enrolled (PECOS I20180724000235); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest pediatric anesthesiology physician records → All 97 in Missouri → Look up another NPI →
Also registered at 1465 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nabil Abboud, MDAnesthesiology Physician1386660504
- Elaf AbdelmagidPediatrics Physician1831077627
- Michel Adonis, M.D.Pediatrics Physician1497190854
- Attila Ahmad, MDPediatric Cardiology Physician1245842699
- Emily Ahmad, CPNP-PCPediatric Nurse Practitioner1871875104
- Muteen Ahmed, M.B.B.S.Student in an Organized Health Care Education/Training Program1437950466
Verify Andrew S. Oster 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 2013021775Check 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): 81.6 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).
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew S. Oster among 97 pediatric anesthesiology physician records in Missouri
Andrew S. Oster, M.D. is one of 97 pediatric anesthesiology physician records with a practice address in Missouri. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 62% of them.
- NPI issued2013 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2012 among the 64 with a school on file
- Record last updated2019 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP3000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Anesthesiology Physician providers in Missouri
There are 97 pediatric anesthesiology physician records in Missouri.
All 97 in Missouri → Every provider in Saint Louis → Pediatric Anesthesiology Physician nationwide →
The 8 pediatric anesthesiology physician records with the nearest ZIP codes
- Michelle Marino, M.D.Saint Louis, MO 631041346466091
- Kelly Chilson, MDSaint Louis, MO 631101699734582
- Russell Groener, MDSaint Louis, MO 631101245258706
- Catherine Krucylak, MDSaint Louis, MO 631101760409270
- Scott Markowitz, MDSaint Louis, MO 631101801901186
- Joan Niehoff, MDSaint Louis, MO 631101619995313
- Dolores Njoku, MDSaint Louis, MO 631101700838711
- Sydney Nykiel-Bailey, DOSaint Louis, MO 631101790705382
Common questions
What is Andrew S. Oster, M.D.'s NPI number?
Andrew S. Oster, M.D.'s National Provider Identifier (NPI) is 1508200775, issued on Apr 18, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Andrew S. Oster, M.D. located?
The NPPES record lists a practice address at 1465 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 577-8750. Providers update this record themselves, so call before visiting.
How can I verify Andrew S. Oster, M.D.'s license?
NPPES lists Missouri license number 2013021775, 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 Andrew S. Oster, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.6 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.