NPPES file of Aug 9, 2026

John B. Christensen, M.D.

Emergency Medicine Physician · Santa Cruz, CA

John B. Christensen, M.D. is an emergency medicine physician with a practice address in Santa Cruz, California, and NPI 1679609507, issued on Feb 26, 2007. Check the license (California G33311, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679609507
Name
John B. Christensen
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G33311 CA
Self-reported in NPPES; status is on the state search
Practice location
1555 Soquel Dr, Santa Cruz, CA 95065
Phone
(831) 462-7730
Enumerated
Feb 26, 2007
Record last updated
Sep 2, 2009 (not updated in 17 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 1555 Soquel Dr

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

  1. Paul Angelo, RNFamily Nurse Practitioner1750268793
  2. Francisco Arrieta, MDFamily Medicine Physician1861232498
  3. Vivian Banh, DOAnesthesiology Physician1992332662
  4. James Bergum, CCPPerfusionist1073148235
  5. Upasna Bhuria, MDAnesthesiology Physician1700020575
  6. Daniel BishopStudent in an Organized Health Care Education/Training Program1407507304

Verify John B. Christensen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G33311    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
Open 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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Industry payments in 2024: $19.93

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Christensen$19.93
  2. Specialty average$953.79

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

John B. Christensen among 7,751 emergency medicine physician records in California

John B. Christensen, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2009 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

All 7,751 in California → Every provider in Santa Cruz → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Alan Buchwald, M.D.Santa Cruz, CA 950651174667075
  2. David Danish, D.O.Santa Cruz, CA 950651861466948
  3. Sarah Feldmann, D.O.Santa Cruz, CA 950651629271143
  4. John Fust, M.D.Santa Cruz, CA 950651891821633
  5. John Grady, D.O.Santa Cruz, CA 950651023270063
  6. William Hencke, MDSanta Cruz, CA 950651194868166
  7. Terry Lapid, M.D.Santa Cruz, CA 950651396887287
  8. Andrew Nevitt, MDSanta Cruz, CA 950651073649513

Common questions

What is John B. Christensen, M.D.'s NPI number?

John B. Christensen, M.D.'s National Provider Identifier (NPI) is 1679609507, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John B. Christensen, M.D. located?

The NPPES record lists a practice address at 1555 Soquel Dr, Santa Cruz, CA, 95065. Phone: (831) 462-7730. Providers update this record themselves, so call before visiting.

How can I verify John B. Christensen, M.D.'s license?

NPPES lists California license number G33311, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.