NPPES file of Aug 9, 2026

Maria Cristina Gonzalez-Mayda, MD

Rheumatology Physician · Saint Louis, MO

Maria Cristina Gonzalez-Mayda, MD is a rheumatology physician with a practice address in Saint Louis, Missouri, and NPI 1891958096, issued on Jul 8, 2008. Check the license (Missouri 2011003500, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891958096
Name
Maria Cristina Gonzalez-Mayda
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
2011003500 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
Jul 8, 2008
Record last updated
Apr 17, 2025
Fax
(314) 286-2338
Medicaid ID
200004412 MO
Medicare enrollment
Enrolled (PECOS I20130805000272); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2008
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.
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Also registered at 4921 Parkview PL

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

  1. Mohammed Abbasi, MDPulmonary Disease Physician1497097083
  2. Helen Adams, AGNPGerontology Nurse Practitioner1730836776
  3. Muyibat Adelani, MDAdult Reconstructive Orthopaedic Surgery Physician1396908042
  4. Foluso Ademuyiwa, MDMedical Oncology Physician1083875538
  5. Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
  6. Homaa Ahmad, MDCardiovascular Disease Physician1477635092

Verify Maria Cristina Gonzalez-Mayda 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 2011003500
    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.

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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.

  1. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $50.24

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Maria Gonzalez-Mayda$50.24
  2. Specialty average$8,538.33

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. Washington UniversityHazelwood, MO

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

Maria Cristina Gonzalez-Mayda among 151 rheumatology physician records in Missouri

Maria Cristina Gonzalez-Mayda, 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 2008, is newer than 62% of them.

  • NPI issued2008 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2008 · 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.

The 8 rheumatology physician records with the nearest ZIP codes

  1. John Atkinson, MDSaint Louis, MO 631101245258946
  2. Seth Eisen, MDSaint Louis, MO 631101497786917
  3. Lewis Fischbein, MDSaint Louis, MO 631101558472282
  4. Chyi Hsieh, MDSaint Louis, MO 631101861418188
  5. Robert Karsh, MDSaint Louis, MO 631101679591184
  6. Mary Kiehl, MDSaint Louis, MO 631101639280357
  7. Micki KlearmanSaint Louis, MO 631101972614691
  8. Deborah Lenschow, MDSaint Louis, MO 631101669498895

Common questions

What is Maria Cristina Gonzalez-Mayda, MD's NPI number?

Maria Cristina Gonzalez-Mayda, MD's National Provider Identifier (NPI) is 1891958096, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Maria Cristina Gonzalez-Mayda, 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 Maria Cristina Gonzalez-Mayda, MD's license?

NPPES lists Missouri license number 2011003500, 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.

What is Maria Cristina Gonzalez-Mayda, 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.