NPPES file of Aug 9, 2026

Tammy J. Grosulak, CRNA

Certified Registered Nurse Anesthetist · Dickinson, ND

Tammy J. Grosulak, CRNA is a certified registered nurse anesthetist with a practice address in Dickinson, North Dakota, and NPI 1083892095, issued on Feb 1, 2008. Check the license (North Dakota R28920, as entered in NPPES) with the North Dakota 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
1083892095
Name
Tammy J. Grosulak
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R28920 ND
Self-reported in NPPES; status is on the state search
Practice location
30 7TH St W, Dickinson, ND 58601
Phone
(701) 456-4000
Enumerated
Feb 1, 2008
Record last updated
Sep 23, 2025
Fax
(701) 456-4800
Medicare enrollment
Enrolled (PECOS I20080226000260); 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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8 nearest certified registered nurse anesthetist records → All 442 in North Dakota → Look up another NPI →

Also registered at 30 7TH St W

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

  1. Kayla Allmendinger, OTOccupational Therapist1710189808
  2. Melissa Bachmeier, OTOccupational Therapist1649472648
  3. Jacquelynn Barman, OTAOccupational Therapy Assistant1932301744
  4. Nancy Beck, CRNACertified Registered Nurse Anesthetist1740209543
  5. Adrienne Belland, OTR/LOccupational Therapist1164694964
  6. Teresa BleichPhysical Therapist1083816862

Verify Tammy J. Grosulak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
    Search for license R28920    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 North Dakota 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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Bills Medicare through one group practice

  1. Sanford BismarckBismarck, ND

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

Tammy J. Grosulak among 442 certified registered nurse anesthetist records in North Dakota

Tammy J. Grosulak, CRNA is one of 442 certified registered nurse anesthetist records with a practice address in North Dakota. 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 40% of them.

  • NPI issued2008 · 40% of these records are older, 57% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2007 · median 2014 among the 326 with a school on file
  • Record last updated2025 · 60% 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 North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in North Dakota

There are 442 certified registered nurse anesthetist records in North Dakota.

All 442 in North Dakota → Every provider in Dickinson → Certified Registered Nurse Anesthetist nationwide →

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

  1. Nancy Beck, CRNADickinson, ND 586011740209543
  2. Glenn Lefor, CRNADickinson, ND 586011619991973
  3. Christian Matthews, CRNADickinson, ND 586011982620282
  4. Susan Stengel, CRNADickinson, ND 586011861411076
  5. Laura Tooz, CRNADickinson, ND 586011538296751
  6. Carl Miller, CRNAHazen, ND 585451902227283
  7. Laura Hilts, CRNABismarck, ND 585041538520622
  8. Jennifer Hoggarth, CRNABismarck, ND 585041104167402

Common questions

What is Tammy J. Grosulak, CRNA's NPI number?

Tammy J. Grosulak, CRNA's National Provider Identifier (NPI) is 1083892095, issued on Feb 1, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tammy J. Grosulak, CRNA located?

The NPPES record lists a practice address at 30 7TH St W, Dickinson, ND, 58601. Phone: (701) 456-4000. Providers update this record themselves, so call before visiting.

How can I verify Tammy J. Grosulak, CRNA's license?

NPPES lists North Dakota license number R28920, as entered by the provider. Search the North Dakota 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.