Registry data as of Aug 27, 2026

Catherine Baker, MD

Family Medicine Physician · Saint Louis, MO

Catherine Baker, MD is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1639795552, issued on Jun 17, 2020. Check the license (Missouri 2020016915, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639795552
Name
Catherine Baker
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
2020016915 MO
Self-reported in NPPES; status is on the state search
Practice location
12680 Olive Blvd Ste 300, Saint Louis, MO 63141
Phone
(314) 251-8888
Enumerated
Jun 17, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12680 Olive Blvd Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oresta Agastra, MDFamily Medicine Physician1750133542
  2. Mirdhula Ananthamurugan, MDFamily Medicine Physician1437944014
  3. Katie AyresFamily Medicine Physician1467394783
  4. Deborrah BlackburnFamily Medicine Physician1710828322
  5. Hayley Brands, DOFamily Medicine Physician1215722335
  6. Noah Brown, MDFamily Medicine Physician1912693953

Verify Catherine Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2020016915
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

16% more Medicare Part D claims than the average family medicine physician in 2024

4,094 Medicare Part D claims for 421 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 152 claims were for opioids.

  1. Catherine Baker4,094
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium205 claims
  2. Levothyroxine Sodium179 claims
  3. Losartan Potassium149 claims
  4. Gabapentin141 claims
  5. Amlodipine Besylate120 claims
  6. Lisinopril116 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: $319.87

18 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Baker$319.87
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Blessing HospitalQuincy, IL · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

321 family medicine physician records list a Saint Louis practice address

They are 321 of the 27,605 NPPES records with a Saint Louis practice address, and 2,920 family medicine physician records in Missouri.

Other family medicine physician records in Missouri

  1. Mohammad Abbas, DOKirksville, MO1518537679
  2. Karam Abdelmasih, MD, APFestus, MO1093288508
  3. Afsheen Abdullah Patel, MDLees Summit, MO1598070377
  4. Christopher Abercrombie, DOArnold, MO1093787558
  5. Avery Abernathy, D.O.Kansas City, MO1013207836
  6. Kristia Abernathy, MDSaint Louis, MO1710545405
  7. Grant Abkemeier, DOColumbia, MO1922933712
  8. Beatrice Abraham, DOLebanon, MO1861056004
  9. John Abraham, M.D.Springfield, MO1760595136
  10. Samer Abu-Amer, M.D.Independence, MO1154880474

Common questions

What is Catherine Baker, MD's NPI number?

Catherine Baker, MD's National Provider Identifier (NPI) is 1639795552, issued on Jun 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Baker, MD located?

The NPPES record lists a practice address at 12680 Olive Blvd Ste 300, Saint Louis, MO, 63141. Phone: (314) 251-8888. Providers update this record themselves, so call before visiting.

How can I verify Catherine Baker, MD's license?

NPPES lists Missouri license number 2020016915, 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 Catherine Baker, MD prescribe under Medicare Part D?

In 2024, Catherine Baker, MD had 4,094 Medicare Part D claims for 421 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.