Stephanie Ji Chen, MD
Critical Care Medicine (Internal Medicine) Physician · Stanford, CA
Stephanie Ji Chen, MD is a critical care medicine (internal medicine) physician with a practice address in Stanford, California, and NPI 1730716960, issued on Mar 26, 2020. Check the license (California A183725, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Ji Chen
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A183725 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 26, 2020
- Record last updated
- Jul 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20260402004150); may accept Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2020
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephanie Ji Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A183725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
102 Medicare Part D claims for 29 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Trelegy Ellipta13 claims
- Montelukast Sodium12 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: $30.00
1 payment: food and beverage; the largest payer was Atricure, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephanie Ji Chen among 723 critical care medicine (internal medicine) physician records in California
Stephanie Ji Chen, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2020 · median 2005 among the 559 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Stanford → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Nikhil Barot, M.D.Stanford, CA 943051518155928
- Harmeet Bedi, MDStanford, CA 943051548402084
- Carlos Brun, M.D.Stanford, CA 943051578752309
- Michelle Cao, DOStanford, CA 943051386791762
- Pedram Fatehi, MD, MPHStanford, CA 943051790927895
- Shawn Kaku, MDStanford, CA 943051093977696
- Joseph Levitt, MDStanford, CA 943051033251152
- Tsuyoshi Mitarai, MDStanford, CA 943051083758197
Common questions
What is Stephanie Ji Chen, MD's NPI number?
Stephanie Ji Chen, MD's National Provider Identifier (NPI) is 1730716960, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Ji Chen, 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 Stephanie Ji Chen, MD's license?
NPPES lists California license number A183725, 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 Stephanie Ji Chen, MD prescribe under Medicare Part D?
In 2024, Stephanie Ji Chen, MD had 102 Medicare Part D claims for 29 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.