NPPES file of Aug 9, 2026

Marissa J. Hernandez, CRNA

Certified Registered Nurse Anesthetist · Wausau, WI

Marissa J. Hernandez, CRNA is a certified registered nurse anesthetist with a practice address in Wausau, Wisconsin, and NPI 1104164417, issued on Jan 21, 2013. Check the license (Wisconsin 8629-33, as entered in NPPES) with the Wisconsin 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
1104164417
Name
Marissa J. Hernandez
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
8629-33 WI
0001241907 VA
Self-reported in NPPES; status is on the state search
Practice location
411 Westwood Dr, Wausau, WI 54401
Phone
(715) 847-2558
Enumerated
Jan 21, 2013
Record last updated
Aug 21, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(715) 847-2557
Medicare enrollment
Enrolled (PECOS I20180915000000); accepts Medicare assignment
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 411 Westwood Dr

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

  1. Christopher Brown, M.D.Pediatric Gastroenterology Physician1477627149
  2. Veronika Gagovic, M.D.Gastroenterology Physician1154504538
  3. Adam GodseyGastroenterology Physician1932465523
  4. Justin Hartke, M.D.Gastroenterology Physician1154689685
  5. Raymond Hartke, M.D.Gastroenterology Physician1952475931
  6. Vance Hartke, MDGastroenterology Physician1295260453

Verify Marissa J. Hernandez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 8629-33
    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 Wisconsin 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): 81.1 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 score88.1
  2. Costout of 100 · 30%49.6
  3. Promoting interoperabilityout of 100 · 25%99.0
  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 2 group practices

  1. Gastrointestinal Associates S.C.Wausau, WI
  2. Midwest Alliance Services LLCWisconsin Rapids, WI

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

Marissa J. Hernandez among 1,241 certified registered nurse anesthetist records in Wisconsin

Marissa J. Hernandez, CRNA is one of 1,241 certified registered nurse anesthetist records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 57% of them.

  • NPI issued2013 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2012 · median 2013 among the 932 with a school on file
  • Record last updated2018 · 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 367500000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

50 certified registered nurse anesthetist records list a practice address in Wausau

They are 50 of the 1,958 NPPES records with a practice address in Wausau, and 1,241 certified registered nurse anesthetist records in Wisconsin.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Sharon Brinkman, CRNAWausau, WI 544011790703668
  2. Shelley Danielson, C.R.N.A.Wausau, WI 544011265418909
  3. Kelle Fecker, CRNAWausau, WI 544011962444265
  4. Sieglinde Gorski, CRNAWausau, WI 544011225139082
  5. Stephen Hayden, CRNAWausau, WI 544011891716239
  6. Michael Hein, CRNAWausau, WI 544011104821651
  7. Steve Henkens, CRNAWausau, WI 544011023039302
  8. James Karow, CRNAWausau, WI 544011144241514

Common questions

What is Marissa J. Hernandez, CRNA's NPI number?

Marissa J. Hernandez, CRNA's National Provider Identifier (NPI) is 1104164417, issued on Jan 21, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Marissa J. Hernandez, CRNA located?

The NPPES record lists a practice address at 411 Westwood Dr, Wausau, WI, 54401. Phone: (715) 847-2558. Providers update this record themselves, so call before visiting.

How can I verify Marissa J. Hernandez, CRNA's license?

NPPES lists Wisconsin license number 8629-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

What is Marissa J. Hernandez, CRNA's MIPS final score?

The 2023 MIPS final score is 81.1 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.