NPPES file of Aug 9, 2026

John P. Groblewski, CRNA

Certified Registered Nurse Anesthetist · Los Angeles, CA

John P. Groblewski, CRNA is a certified registered nurse anesthetist with a practice address in Los Angeles, California, and NPI 1558312108, issued on May 16, 2006. Check the license (California 2490, 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
1558312108
Name
John P. Groblewski
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
2490 CA
Self-reported in NPPES; status is on the state search
Practice location
1711 W Temple St, Los Angeles, CA 90026
Phone
(213) 989-6100
Enumerated
May 16, 2006
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040916001107); 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 1711 W Temple St

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

  1. Katayoun AbtinPodiatrist1437654589
  2. Carlos Acevedo, LVNLicensed Vocational Nurse1952061582
  3. Samuel Agra, M.D.Specialist1598719791
  4. Yvonne Alanes, M.DSpecialist1437196250
  5. Vincent Anthony, M.D., M.P.H.Nephrology Physician1396851903
  6. Pinky Jane Biag, RNRegistered Nurse1063066140

Verify John P. Groblewski 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 2490    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 2 group practices

  1. Socal Anesthesia Solutions IncLos Angeles, CA
  2. Southern California Permanente Medical GroupHarbor City, CA

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

John P. Groblewski among 2,943 certified registered nurse anesthetist records in California

John P. Groblewski, CRNA 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 77% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1998 · median 2016 among the 2,089 with a school on file
  • Record last updated2021 · 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).

Certified Registered Nurse Anesthetist providers in California

There are 2,943 certified registered nurse anesthetist records in California.

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

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

  1. Christy Davis, CRNA, MSNLos Angeles, CA 900261467644682
  2. Timothy Hatcher, CRNALos Angeles, CA 900261235182577
  3. Hayden JohnstonLos Angeles, CA 900261043048846
  4. Laurel Schooler, CRNA, MSLos Angeles, CA 900261346545845
  5. Chelsea ChavezLos Angeles, CA 900251982408886
  6. Peter Christensen, CRNALos Angeles, CA 900271194892927
  7. Earl Dakan, CRNALos Angeles, CA 900271962579722
  8. James Decker, CRNALos Angeles, CA 900271437226297

Common questions

What is John P. Groblewski, CRNA's NPI number?

John P. Groblewski, CRNA's National Provider Identifier (NPI) is 1558312108, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John P. Groblewski, CRNA located?

The NPPES record lists a practice address at 1711 W Temple St, Los Angeles, CA, 90026. Phone: (213) 989-6100. Providers update this record themselves, so call before visiting.

How can I verify John P. Groblewski, CRNA's license?

NPPES lists California license number 2490, 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.