NPPES file of Aug 9, 2026

Karen J. Maresch, CRNA

Certified Registered Nurse Anesthetist · Munhall, PA

Karen J. Maresch, CRNA is a certified registered nurse anesthetist with a practice address in Munhall, Pennsylvania, and NPI 1801864582, issued on Mar 9, 2006. Check the license (Pennsylvania RN290124L, as entered in NPPES) with the Pennsylvania 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801864582
Name
Karen J. Maresch
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN290124L PA
Self-reported in NPPES; status is on the state search
Practice location
553 E 9TH Ave, Munhall, PA 15120
Phone
(412) 461-3103
Enumerated
Mar 9, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050825000632); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 1995
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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Verify Karen J. Maresch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RN290124L
    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
Find the Pennsylvania license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 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 score68.6
  2. Costout of 100 · 30%56.4
  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).

Bills Medicare through one group practice

  1. University OF Pittsburgh PhysiciansPittsburgh, PA

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

1 certified registered nurse anesthetist records list a practice address in Munhall

They are 1 of the 67 NPPES records with a practice address in Munhall, and 4,822 certified registered nurse anesthetist records in Pennsylvania.

Other certified registered nurse anesthetist records in Pennsylvania

  1. Victor Abarca, CRNAHershey, PA1003575853
  2. Marietta Abary, CRNAHuntingdon Valley, PA1467496208
  3. Brandan AbatiPittsburgh, PA1336589357
  4. Amy AbbottPittsburgh, PA1689943490
  5. Leah Abbott, CRNAPittsburgh, PA1710267380
  6. Joyce AbrahamLancaster, PA1962242099
  7. Susan Abrams, CRNAAllentown, PA1043216989
  8. Herman AbuchowskiBethlehem, PA1669148573
  9. Kevin AccettaPhiladelphia, PA1841841632
  10. Amy Acie, CRNAPittsburgh, PA1881652501

Common questions

What is Karen J. Maresch, CRNA's NPI number?

Karen J. Maresch, CRNA's National Provider Identifier (NPI) is 1801864582, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen J. Maresch, CRNA located?

The NPPES record lists a practice address at 553 E 9TH Ave, Munhall, PA, 15120. Phone: (412) 461-3103. Providers update this record themselves, so call before visiting.

How can I verify Karen J. Maresch, CRNA's license?

NPPES lists Pennsylvania license number RN290124L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

What is Karen J. Maresch, CRNA's MIPS final score?

The 2023 MIPS final score is 77.5 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.