Margaret Meier, M.D.
Nephrology Physician · Saint Louis, MO
Margaret Meier, M.D. is a nephrology physician with a practice address in Saint Louis, Missouri, and NPI 1659723963, issued on Jul 11, 2016. Check the license (Missouri 2021030521, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Margaret Meier
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 2021030521 MO
2016023691 MO
Self-reported in NPPES; status is on the state search - Practice location
- 450 N New Ballas RD Ste 204, Saint Louis, MO 63141
- Phone
- (314) 991-0137
- Enumerated
- Jul 11, 2016
- Record last updated
- Oct 14, 2025
- Fax
- (314) 991-0603
- Medicaid ID
- 200086519 MO
- Medicare enrollment
- Enrolled (PECOS I20211005003550); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 285 in Missouri → Look up another NPI →
Also registered at 450 N New Ballas RD Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexis Argoudelis, M.D.Nephrology Physician1639270002
- Juan Garcia, MDNephrology Physician1801876198
- Emmy Le, DNP, APRN, FNP-BCAdult Health Nurse Practitioner1679294268
- Lissa Lopez-Concagh, MDNephrology Physician1619957917
- Katina Smith, NP-CAdult Health Nurse Practitioner1245896893
Verify Margaret Meier 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 2021030521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average nephrology physician in 2024
1,995 Medicare Part D claims for 265 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 12 claims were for opioids.
Most prescribed
- Amlodipine Besylate207 claims
- Furosemide147 claims
- Calcitriol99 claims
- Losartan Potassium96 claims
- Farxiga85 claims
- Lisinopril82 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: $498.12
23 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Nephrology And Hypertension Specialists LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Meier among 285 nephrology physician records in Missouri
Margaret Meier, M.D. is one of 285 nephrology physician records with a practice address in Missouri. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2000 among the 212 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Missouri
There are 285 nephrology physician records in Missouri.
All 285 in Missouri → Every provider in Saint Louis → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Alexis Argoudelis, M.D.Saint Louis, MO 631411639270002
- Qing Chen, MDSaint Louis, MO 631411164494530
- Bhajanlal Dara, M.D.Saint Louis, MO 631411699708016
- James Davis, MDSaint Louis, MO 631411518995299
- Juan Garcia, MDSaint Louis, MO 631411801876198
- Robyn Jacobs, MDSt Louis, MO 631411730288317
- Derek Larson, M.D.Creve Coeur, MO 631411588820096
- Bruce Lippmann, MDCreve Coeur, MO 631411346330081
Common questions
What is Margaret Meier, M.D.'s NPI number?
Margaret Meier, M.D.'s National Provider Identifier (NPI) is 1659723963, issued on Jul 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Meier, M.D. located?
The NPPES record lists a practice address at 450 N New Ballas RD Ste 204, Saint Louis, MO, 63141. Phone: (314) 991-0137. Providers update this record themselves, so call before visiting.
How can I verify Margaret Meier, M.D.'s license?
NPPES lists Missouri license number 2021030521, 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 Margaret Meier, M.D. prescribe under Medicare Part D?
In 2024, Margaret Meier, M.D. had 1,995 Medicare Part D claims for 265 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.