NPPES file of Aug 9, 2026

Dennis L. Potapchuk

Certified Registered Nurse Anesthetist · Sonora, CA

Dennis L. Potapchuk is a certified registered nurse anesthetist with a practice address in Sonora, California, and NPI 1518796754, issued on Jul 27, 2024. Check the license (California 95002662, as entered in NPPES) with the California 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
1518796754
Name
Dennis L. Potapchuk
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
95002662 CA
436625 OH
Self-reported in NPPES; status is on the state search
Practice location
1000 Greenley RD, Sonora, CA 95370
Phone
(209) 770-4501
Enumerated
Jul 27, 2024
Record last updated
Feb 3, 2026
Medicare enrollment
Enrolled (PECOS I20250908002959); 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 2,943 in California → Look up another NPI →

Also registered at 1000 Greenley RD

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

  1. Penny Ablin, M.D.Emergency Medicine Physician1861486813
  2. Andrew Addley, CRNACertified Registered Nurse Anesthetist1356976724
  3. Masoud AhmadzaiPharmacist1417520727
  4. Mary Allard, PHARMDPharmacist1013854371
  5. Arturo Alvarez Antezana, MDInternal Medicine Physician1457847154
  6. Charles Black, D.O.Orthopaedic Surgery Physician1790988087

Verify Dennis L. Potapchuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95002662    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 California 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. Sonora Anesthesia Services A Medical Group IncSonora, CA

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

Dennis L. Potapchuk among 2,943 certified registered nurse anesthetist records in California

Dennis L. Potapchuk is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 93% of them.

  • NPI issued2024 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2025 · median 2016 among the 2,089 with a school on file
  • Record last updated2026 · 51% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 certified registered nurse anesthetist records list a practice address in Sonora

They are 7 of the 629 NPPES records with a practice address in Sonora, and 2,943 certified registered nurse anesthetist records in California.

All 2,943 in California → Every provider in Sonora → Certified Registered Nurse Anesthetist nationwide →

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

  1. Andrew Addley, CRNASonora, CA 953701356976724
  2. Vinod Bhan, CRNASonora, CA 953701770554016
  3. Karen Blum, CRNASonora, CA 953701275689853
  4. Andrew Fitt, CRNASonora, CA 953701396498804
  5. Joshua HawkinsSonora, CA 953701518506500
  6. Christopher StuehserSonora, CA 953701689260838
  7. John Vargo, CRNAOakdale, CA 953611134187404
  8. Lorraine Diraffaello, CRNATurlock, CA 953821326157678

Common questions

What is Dennis L. Potapchuk's NPI number?

Dennis L. Potapchuk's National Provider Identifier (NPI) is 1518796754, issued on Jul 27, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Dennis L. Potapchuk located?

The NPPES record lists a practice address at 1000 Greenley RD, Sonora, CA, 95370. Phone: (209) 770-4501. Providers update this record themselves, so call before visiting.

How can I verify Dennis L. Potapchuk's license?

NPPES lists California license number 95002662, as entered by the provider. Search the California 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.