Aaron Gregory Baer, M.D.
Student in an Organized Health Care Education/Training Program · Saint Louis, MO
Aaron Gregory Baer, M.D. is a student in an organized health care education/training program with a practice address in Saint Louis, Missouri, and NPI 1619609765, issued on Jun 28, 2022. Check the license (Missouri 2022021119, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron Gregory Baer
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- 2022021119 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1201 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 977-4708
- Enumerated
- Jun 28, 2022
- Record last updated
- Jun 28, 2022
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 3,622 in Missouri → Look up another NPI →
Also registered at 1201 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Krystel Abi KaramStudent in an Organized Health Care Education/Training Program1912708124
- Timothy Adrian, APRNAcute Care Nurse Practitioner1578437182
- Baris Afsar, M.D.Student in an Organized Health Care Education/Training Program1235976143
Verify Aaron Gregory Baer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2022021119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
223 Medicare Part D claims for 85 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Tamsulosin Hcl65 claims
- Finasteride26 claims
- Oxycodone Hcl22 claims
- Oxybutynin Chloride Er14 claims
- Potassium Citrate Er14 claims
- Oxybutynin Chloride13 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.
Industry payments in 2024: $540.66
6 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,278 providers of this specialty with any payment received $608.08 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.
Aaron Gregory Baer among 3,622 student in an organized health care education/training program records in Missouri
Aaron Gregory Baer, M.D. is one of 3,622 student in an organized health care education/training program records with a practice address in Missouri. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 16% of them.
- NPI issued2022 · 16% of these records are older, 76% newer
- In a Medicare fileYes · 22% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2022 · 13% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,338 student in an organized health care education/training program records list a practice address in Saint Louis
They are 1,338 of the 27,605 NPPES records with a practice address in Saint Louis, and 3,622 student in an organized health care education/training program records in Missouri.
All 3,622 in Missouri → Every provider in Saint Louis → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Mustafa Altinyay, MDSaint Louis, MO 631041356674246
- Sharmistha Barai, M.D.Saint Louis, MO 631041497984173
- Arshad Bhatt, M.D.Saint Louis, MO 631041215138698
- Joseph Dasso, M.D, PH.D.Saint Louis, MO 631041972706505
- Avrum Goldberg, DDSSaint Louis, MO 631041225343858
- Josh LanterSaint Louis, MO 631041710180609
- Jamal Maarouf, M.D.Saint Louis, MO 631041205169638
- Lynn Nelms, M.D.Saint Louis, MO 631041881892503
Common questions
What is Aaron Gregory Baer, M.D.'s NPI number?
Aaron Gregory Baer, M.D.'s National Provider Identifier (NPI) is 1619609765, issued on Jun 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Gregory Baer, M.D. located?
The NPPES record lists a practice address at 1201 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 977-4708. Providers update this record themselves, so call before visiting.
How can I verify Aaron Gregory Baer, M.D.'s license?
NPPES lists Missouri license number 2022021119, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Aaron Gregory Baer, M.D. prescribe under Medicare Part D?
In 2024, Aaron Gregory Baer, M.D. had 223 Medicare Part D claims for 85 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.