Alexa Rachel Weingarden, MD, PHD
Gastroenterology Physician · Stanford, CA
Alexa Rachel Weingarden, MD, PHD is a gastroenterology physician with a practice address in Stanford, California, and NPI 1205367794, issued on Mar 25, 2017. Check the license (California A156996, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexa Rachel Weingarden
- Credential
- MD, PHD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A156996 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 25, 2017
- Record last updated
- Apr 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20240410001316); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 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 Alexa Rachel Weingarden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average gastroenterology physician in 2024
54 Medicare Part D claims for 26 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Colestipol Hcl20 claims
- Omeprazole11 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.
Bills Medicare through 2 group practices
- Fairview Express CareMinneapolis, MN
- University OF Minnesota Health Clinics And Surgery Center IncMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexa Rachel Weingarden among 2,140 gastroenterology physician records in California
Alexa Rachel Weingarden, MD, PHD is one of 2,140 gastroenterology 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 2017, is newer than 91% of them.
- NPI issued2017 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2017 · median 2002 among the 1,538 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 gastroenterology physician records list a practice address in Stanford
They are 70 of the 5,606 NPPES records with a practice address in Stanford, and 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Stanford → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Aijaz Ahmed, MDStanford, CA 943051447351747
- Ashish Atreja, MDStanford, CA 943051831152883
- Ann Chen, MDStanford, CA 943051003840307
- Shai Friedland, M.D.Stanford, CA 943051316034655
- Jeffrey Glenn, M.D., PH.D.Stanford, CA 943051366523946
- Joo Hwang, MDStanford, CA 943051194815043
- Paul Kwo, M.D.Stanford, CA 943051578527008
- Uri Ladabaum, MDStanford, CA 943051245288059
Common questions
What is Alexa Rachel Weingarden, MD, PHD's NPI number?
Alexa Rachel Weingarden, MD, PHD's National Provider Identifier (NPI) is 1205367794, issued on Mar 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexa Rachel Weingarden, MD, PHD 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 Alexa Rachel Weingarden, MD, PHD's license?
NPPES lists California license number A156996, 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 Alexa Rachel Weingarden, MD, PHD prescribe under Medicare Part D?
In 2024, Alexa Rachel Weingarden, MD, PHD had 54 Medicare Part D claims for 26 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.