Michael A. Paley, MD
Rheumatology Physician · Saint Louis, MO
Michael A. Paley, MD is a rheumatology physician with a practice address in Saint Louis, Missouri, and NPI 1205240470, issued on Jun 16, 2014. Check the license (Missouri 2018005305, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael A. Paley
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 2018005305 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 286-2635
- Enumerated
- Jun 16, 2014
- Record last updated
- Apr 17, 2025
- Fax
- (314) 286-2338
- Medicaid ID
- 200059539 MO
- Medicare enrollment
- Enrolled (PECOS I20180807002850); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 151 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael A. Paley 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 2018005305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average rheumatology physician in 2024
297 Medicare Part D claims for 48 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Methotrexate76 claims
- Hydroxychloroquine Sulfate34 claims
- Folic Acid28 claims
- Leflunomide26 claims
- Mycophenolate Mofetil23 claims
- Prednisone20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 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).
Industry payments in 2024: $233.62
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Paley among 151 rheumatology physician records in Missouri
Michael A. Paley, MD is one of 151 rheumatology 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 75% of them.
- NPI issued2014 · 75% of these records are older, 20% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2005 among the 103 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Missouri
There are 151 rheumatology physician records in Missouri.
All 151 in Missouri → Every provider in Saint Louis → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- John Atkinson, MDSaint Louis, MO 631101245258946
- Seth Eisen, MDSaint Louis, MO 631101497786917
- Lewis Fischbein, MDSaint Louis, MO 631101558472282
- Chyi Hsieh, MDSaint Louis, MO 631101861418188
- Robert Karsh, MDSaint Louis, MO 631101679591184
- Mary Kiehl, MDSaint Louis, MO 631101639280357
- Micki KlearmanSaint Louis, MO 631101972614691
- Deborah Lenschow, MDSaint Louis, MO 631101669498895
Common questions
What is Michael A. Paley, MD's NPI number?
Michael A. Paley, MD's National Provider Identifier (NPI) is 1205240470, issued on Jun 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Paley, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 286-2635. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Paley, MD's license?
NPPES lists Missouri license number 2018005305, 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 Michael A. Paley, MD prescribe under Medicare Part D?
In 2024, Michael A. Paley, MD had 297 Medicare Part D claims for 48 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Michael A. Paley, MD's MIPS final score?
The 2023 MIPS final score is 79.3 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.