NPPES file of Aug 9, 2026

Matthew Michael Karim

Certified Registered Nurse Anesthetist · San Francisco, CA

Matthew Michael Karim is a certified registered nurse anesthetist with a practice address in San Francisco, California, and NPI 1043798598, issued on Aug 6, 2018. Check the license (California NA95001122, 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
1043798598
Name
Matthew Michael Karim
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
NA95001122 CA
124698 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 476-1000
Enumerated
Aug 6, 2018
Record last updated
Aug 1, 2023
Medicare enrollment
Enrolled (PECOS I20191101002288); 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 505 Parnassus Ave

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

  1. Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
  2. Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
  3. Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
  4. Abul Abbas, MBBSAnatomic Pathology Physician1881652964
  5. Jesse Abelson, MDInternal Medicine Physician1083843817
  6. Rhonald AbitonaAcute Care Nurse Practitioner1164993473

Verify Matthew Michael Karim 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 NA95001122    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. University Anesthesia Medical GroupSan Francisco, CA

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

Matthew Michael Karim among 2,943 certified registered nurse anesthetist records in California

Matthew Michael Karim 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 2018, is newer than 66% of them.

  • NPI issued2018 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2018 · median 2016 among the 2,089 with a school on file
  • Record last updated2023 · 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 San Francisco → Certified Registered Nurse Anesthetist nationwide →

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

  1. Tom Babin, CRNASan Francisco, CA 941431134201643
  2. Betsy Bartels-Mathews, CRNASan Francisco, CA 941431528082914
  3. Jay Beebe, PH.D., C.R.N.A.San Francisco, CA 941431063698009
  4. Diane Cappiccille, CRNASan Francisco, CA 941431689698078
  5. Ricardo Charles, CRNASan Francisco, CA 941431144386749
  6. Ann Crowley, RN, CRNASan Francisco, CA 941431326062886
  7. Christina Dang, CRNASan Francisco, CA 941431467516864
  8. Amanda Fulton, CRNASan Francisco, CA 941431124189535

Common questions

What is Matthew Michael Karim's NPI number?

Matthew Michael Karim's National Provider Identifier (NPI) is 1043798598, issued on Aug 6, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Michael Karim located?

The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Michael Karim's license?

NPPES lists California license number NA95001122, 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.