NPPES file of Aug 9, 2026

Samuel Z. Gregor, CRNA

Certified Registered Nurse Anesthetist · Saint Joseph, MI

Samuel Z. Gregor, CRNA is a certified registered nurse anesthetist with a practice address in Saint Joseph, Michigan, and NPI 1851642136, issued on Sep 26, 2012. Check the license (Michigan 4704294067, as entered in NPPES) with the Michigan 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
1851642136
Name
Samuel Z. Gregor
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
4704294067 MI
Self-reported in NPPES; status is on the state search
Practice location
1234 Napier Ave, Saint Joseph, MI 49085
Phone
(269) 983-8300
Enumerated
Sep 26, 2012
Record last updated
Aug 15, 2023
Fax
(269) 345-1508
Medicare enrollment
Enrolled (PECOS I20121109000023); 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 1234 Napier Ave

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

  1. Erik Achramowicz, D.O.Emergency Medicine Physician1598027245
  2. Scott Achramowicz, PAPhysician Assistant1295244630
  3. Joseph Aderemi, MDPsychiatry Physician1831726546
  4. Kristina Aleksoniene, MDInfectious Disease Physician1659545002
  5. Sydney Alexander, DOFamily Medicine Physician1144952698
  6. Robert Allen, MDCritical Care Medicine (Internal Medicine) Physician1073540647

Verify Samuel Z. Gregor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704294067
    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 Michigan 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 MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score87.5
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $65.35

3 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, Inc. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samuel Gregor$65.35
  2. Specialty average$135.08

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

Bills Medicare through one group practice

  1. Lakeland Hospitals AT Niles And St Joseph IncSaint Joseph, MI

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

Samuel Z. Gregor among 3,298 certified registered nurse anesthetist records in Michigan

Samuel Z. Gregor, CRNA is one of 3,298 certified registered nurse anesthetist records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 57% of them.

  • NPI issued2012 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2012 · median 2012 among the 2,454 with a school on file
  • Record last updated2023 · 61% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 certified registered nurse anesthetist records list a practice address in Saint Joseph

They are 12 of the 1,038 NPPES records with a practice address in Saint Joseph, and 3,298 certified registered nurse anesthetist records in Michigan.

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

  1. Ashley BarriosSaint Joseph, MI 490851659119535
  2. Sarah Engels, CRNASaint Joseph, MI 490851093741001
  3. Regino Perla, DNP-A CRNASaint Joseph, MI 490851912611880
  4. Joseph PopaSaint Joseph, MI 490851356831077
  5. Amy Saylor, CRNASaint Joseph, MI 490851295124428
  6. Steven Schmeling, CRNASaint Joseph, MI 490851801156435
  7. Jane Shaw, CRNASaint Joseph, MI 490851972169688
  8. Van Simpson, CRNASaint Joseph, MI 490851245294222

Common questions

What is Samuel Z. Gregor, CRNA's NPI number?

Samuel Z. Gregor, CRNA's National Provider Identifier (NPI) is 1851642136, issued on Sep 26, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Z. Gregor, CRNA located?

The NPPES record lists a practice address at 1234 Napier Ave, Saint Joseph, MI, 49085. Phone: (269) 983-8300. Providers update this record themselves, so call before visiting.

How can I verify Samuel Z. Gregor, CRNA's license?

NPPES lists Michigan license number 4704294067, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

What is Samuel Z. Gregor, CRNA's MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.