NPPES file of Aug 9, 2026

Stacy Jefferson Baker, M.D.

Family Medicine Physician · Saint Charles, MO

Stacy Jefferson Baker, M.D. is a family medicine physician with a practice address in Saint Charles, Missouri, and NPI 1720492028, issued on Jun 13, 2014. Check the license (Missouri 2017018156, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720492028
Name
Stacy Jefferson Baker
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
2017018156 MO
Self-reported in NPPES; status is on the state search
Practice location
1475 Kisker RD Ste 230, Saint Charles, MO 63304
Phone
(636) 939-5000
Enumerated
Jun 13, 2014
Record last updated
Jul 16, 2026
Fax
(636) 939-5002
Medicare enrollment
Enrolled (PECOS I20170822002211); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Stacy Jefferson 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 2017018156
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% more Medicare Part D claims than the average family medicine physician in 2024

5,352 Medicare Part D claims for 526 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 62 claims were for opioids.

  1. Stacy Baker5,352
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate368 claims
  2. Atorvastatin Calcium304 claims
  3. Lisinopril166 claims
  4. Hydrochlorothiazide153 claims
  5. Losartan Potassium140 claims
  6. Gabapentin131 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: $362.55

23 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stacy Baker$362.55
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. American Multispecialty Group IncSaint Charles, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stacy Jefferson Baker among 2,991 family medicine physician records in Missouri

Stacy Jefferson Baker, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 70% of them.

  • NPI issued2014 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2013 · median 2006 among the 1,778 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 family medicine physician records list a practice address in Saint Charles

They are 23 of the 1,547 NPPES records with a practice address in Saint Charles, and 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. Thomas Lord, M.D.Saint Charles, MO 633041740242288
  2. Jason Mitchell, M.D.Saint Charles, MO 633041609838135
  3. Lauren Mitchell, D.O.Cottleville, MO 633041699113019
  4. Nicholas Moore, M.D.Saint Charles, MO 633041073875928
  5. Demetrios Politis, DOSaint Charles, MO 633041255417754
  6. Rimki Rana, MDSaint Charles, MO 633041477564706
  7. Megan Renner, DOSaint Charles, MO 633041639583073
  8. Priya Sadhu, MDSaint Charles, MO 633041275864712

Common questions

What is Stacy Jefferson Baker, M.D.'s NPI number?

Stacy Jefferson Baker, M.D.'s National Provider Identifier (NPI) is 1720492028, issued on Jun 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stacy Jefferson Baker, M.D. located?

The NPPES record lists a practice address at 1475 Kisker RD Ste 230, Saint Charles, MO, 63304. Phone: (636) 939-5000. Providers update this record themselves, so call before visiting.

How can I verify Stacy Jefferson Baker, M.D.'s license?

NPPES lists Missouri license number 2017018156, 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 Stacy Jefferson Baker, M.D. prescribe under Medicare Part D?

In 2024, Stacy Jefferson Baker, M.D. had 5,352 Medicare Part D claims for 526 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.