NPPES file of Aug 9, 2026

Mariah Boncek, PA-C

Physician Assistant · Saint Louis, MO

Mariah Boncek, PA-C is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1649808247, issued on Mar 30, 2020. Check the license with the Missouri board that licenses this profession; 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
1649808247
Name
Mariah Boncek
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1430 Olive St Ste 100, Saint Louis, MO 63103
Phone
(314) 645-6840
Enumerated
Mar 30, 2020
Record last updated
May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20260407001960); may accept Medicare assignment
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.
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Also registered at 1430 Olive St Ste 100

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

  1. Dawanda BuchananFamily Nurse Practitioner1467706549
  2. Samantha Fletcher, RNRegistered Nurse1063991156
  3. Jessica Miller, BSN, RNAdult Psychiatric/Mental Health Registered Nurse1316577612
  4. Alexandra Myers, DNP, APRN, FNP-CFamily Nurse Practitioner1255938650
  5. Katie Sommerich, PMHNPPsychiatric/Mental Health Nurse Practitioner1093441545
  6. Aleksandra Swan, AGNPAdult Health Nurse Practitioner1992157606

Verify Mariah Boncek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck 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
Find 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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67% fewer Medicare Part D claims than the average physician assistant in 2024

277 Medicare Part D claims for 26 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Mariah Boncek277
  2. Specialty average830

Most prescribed

  1. Trazodone Hcl36 claims
  2. Quetiapine Fumarate29 claims
  3. Escitalopram Oxalate19 claims
  4. Duloxetine Hcl16 claims
  5. Aripiprazole15 claims
  6. Clonazepam15 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): 81.6 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 score76.1
  2. Costout of 100 · 30%54.3
  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: $640.60

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariah Boncek$640.60
  2. Specialty average$841.65

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

Mariah Boncek among 1,790 physician assistant records in Missouri

Mariah Boncek, PA-C is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 57% of them.

  • NPI issued2020 · 57% of these records are older, 37% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2020 · median 2019 among the 1,250 with a school on file
  • Record last updated2021 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

498 physician assistant records list a practice address in Saint Louis

They are 498 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,790 physician assistant records in Missouri.

The 8 physician assistant records with the nearest ZIP codes

  1. Zanieb Al-Hanoosh, PA-CSt Louis, MO 631031417884776
  2. Susan Ameiss, PA-CSaint Louis, MO 631041245565415
  3. Jordan Biel, PA-CSaint Louis, MO 631041174037360
  4. Ashtynn Braden, PA-CSaint Louis, MO 631041033691191
  5. Kimberly Brown, PA-CSaint Louis, MO 631041205943859
  6. Genevieve Delrosario, PA-CSaint Louis, MO 631041205945144
  7. Korrin Einertson, PA-CSaint Louis, MO 631021710553540
  8. Kaycee Erzfeld, PA-CSaint Louis, MO 631041881103851

Common questions

What is Mariah Boncek, PA-C's NPI number?

Mariah Boncek, PA-C's National Provider Identifier (NPI) is 1649808247, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Boncek, PA-C located?

The NPPES record lists a practice address at 1430 Olive St Ste 100, Saint Louis, MO, 63103. Phone: (314) 645-6840. Providers update this record themselves, so call before visiting.

How can I verify Mariah Boncek, PA-C's license?

Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Mariah Boncek, PA-C prescribe under Medicare Part D?

In 2024, Mariah Boncek, PA-C had 277 Medicare Part D claims for 26 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Mariah Boncek, PA-C's MIPS final score?

The 2023 MIPS final score is 81.6 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.