NPPES file of Aug 9, 2026

Karen J. Gruber, CRNA

Certified Registered Nurse Anesthetist · Lino Lakes, MN

Karen J. Gruber, CRNA is a certified registered nurse anesthetist with a practice address in Lino Lakes, Minnesota, and NPI 1679672661, issued on Sep 22, 2006. Check the license (Minnesota R0867434, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679672661
Name
Karen J. Gruber
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R0867434 MN
Self-reported in NPPES; status is on the state search
Practice location
1519 Broken Oak Court, Lino Lakes, MN 55038
Phone
(651) 402-9328
Enumerated
Sep 22, 2006
Record last updated
Dec 13, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicaid ID
457218100 MN
Medicare enrollment
Enrolled (PECOS I20101111000669); 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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Verify Karen J. Gruber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license R0867434
    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 Minnesota license search

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Bills Medicare through one group practice

  1. Metropolitan Anesthesia Network LLPLake Elmo, MN

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

Karen J. Gruber among 2,663 certified registered nurse anesthetist records in Minnesota

Karen J. Gruber, CRNA is one of 2,663 certified registered nurse anesthetist records with a practice address in Minnesota. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 60% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1992 · median 2013 among the 1,930 with a school on file
  • Record last updated2016 · 62% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 certified registered nurse anesthetist record lists a practice address in Lino Lakes

They are 1 of the 135 NPPES records with a practice address in Lino Lakes, and 2,663 certified registered nurse anesthetist records in Minnesota.

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

  1. Kathryn MenneHugo, MN 550381659634855
  2. Jacob Ricks, CRNALake City, MN 550411083942015
  3. Mark Swenson, CRNALake City, MN 550411275508111
  4. James Benyon, CRNALake Elmo, MN 550421043256381
  5. Mary Holbach, CRNALake Elmo, MN 550421720187719
  6. Roger Jacobson, CRNALake Elmo, MN 550421912943754
  7. John Lowe, CRNALake Elmo, MN 550421013953223
  8. Mark Mayry, CRNALake Elmo, MN 550421346279825

Common questions

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

Karen J. Gruber, CRNA's National Provider Identifier (NPI) is 1679672661, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen J. Gruber, CRNA located?

The NPPES record lists a practice address at 1519 Broken Oak Court, Lino Lakes, MN, 55038. Phone: (651) 402-9328. Providers update this record themselves, so call before visiting.

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

NPPES lists Minnesota license number R0867434, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

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.