NPPES file of Aug 9, 2026

Christopher Karjun Cheung, MD

Pain Medicine (Anesthesiology) Physician · Stanford, CA

Christopher Karjun Cheung, MD is a pain medicine (anesthesiology) physician with a practice address in Stanford, California, and NPI 1174085922, issued on Apr 2, 2019. Check the license (California A185814, 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
1174085922
Name
Christopher Karjun Cheung
Credential
MD
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
A185814 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Apr 2, 2019
Record last updated
Apr 2, 2026
Medicare enrollment
Enrolled (PECOS I20240924002452); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2019
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 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Christopher Karjun Cheung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A185814
    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

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94% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

103 Medicare Part D claims for 39 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D.

  1. Christopher Cheung103
  2. Specialty average1,750

Most prescribed

  1. Duloxetine Hcl24 claims
  2. Pregabalin20 claims
  3. Gabapentin17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $2,926.59

27 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Cheung$2,926.59
  2. Specialty average$3,225.41

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. Permanente Medical Group IncSanta Clara, CA

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

Christopher Karjun Cheung among 536 pain medicine (anesthesiology) physician records in California

Christopher Karjun Cheung, MD is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.

  • NPI issued2019 · 96% of these records are older, 3% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2019 · median 2004 among the 367 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 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in California

There are 536 pain medicine (anesthesiology) physician records in California.

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Jane Ahn, M.D.Stanford, CA 943051043338296
  2. William Brose, MDStanford, CA 943051164452744
  3. Ian Carroll, MDStanford, CA 943051922148931
  4. Stephen Coleman, MDStanford, CA 943051679517635
  5. Jennifer Hah, MDStanford, CA 943051366639445
  6. Michele Jehenson, DDSStanford, CA 943051649445826
  7. Jiang-Ti Kong, MDStanford, CA 943051871780098
  8. Elliot Krane, M.D.Stanford, CA 943051992860621

Common questions

What is Christopher Karjun Cheung, MD's NPI number?

Christopher Karjun Cheung, MD's National Provider Identifier (NPI) is 1174085922, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Karjun Cheung, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Christopher Karjun Cheung, MD's license?

NPPES lists California license number A185814, 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.

How much does Christopher Karjun Cheung, MD prescribe under Medicare Part D?

In 2024, Christopher Karjun Cheung, MD had 103 Medicare Part D claims for 39 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions 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.

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.