Dr. Rena Mei, MD
- Part D claims, 2024
- 43
- Hospital affiliations
- 1
- Industry payments
- $311
- Medical groups
- 2
- State license
- 1
- Practice address
- 1001 Potrero Avenue, San Francisco, CA 94110
- Practice phone
- Call (415) 206-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mei's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Rena Mei is a gastroenterologist in San Francisco, California
Dr. Mei practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA.
Dr. Mei's NPI, 1023571908, was assigned on April 9, 2019. Dr. Mei graduated from Icahn School of Medicine at Mount Sinai in 2019. Dr. Mei holds California license A178993.
- NPI
- 1023571908NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426386160
- NPI enumeration date
- April 9, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 206-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rena Mei practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California
Dr. Mei's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center, at 1001 Potrero Avenue, San Francisco, CA 94110 in San Francisco County. The practice phone is (415) 206-8000.
- Zuckerberg San Francisco General Hospital and Trauma Center1001 Potrero Avenue, San Francisco, CA 94110 · San Francisco CountyPhone(415) 206-8000
Source: Dmand AI Affiliation Data
Dr. Rena Mei is affiliated with 1 site of care and 2 medical groups
Dr. Mei's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Dr. Mei to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rena Mei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mei practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Zuckerberg San Francisco General Hospital and Trauma Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across City and County of San Francisco, CA and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rena Mei is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Mei's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mei is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Mei
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rena Mei's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Mei's median patient age at 69, with 52% women.
Dr. Mei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Rena Mei wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Mei wrote 43 Medicare Part D claims for 26 patients. 58% of them were for generic drugs.
Dr. Mei's Part D claims by kind of drug, 2024
- Generic25 claims58%
- Brand-name18 claims42%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Rena Mei ranks in the 58th percentile for colonoscopy in Medicare
Dr. Mei accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 39 procedures of colonoscopy by Dr. Mei, more than 58% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mei ranks in Medicare procedure volume
- Colonoscopy
- 58th percentile39 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 52nd percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rena Mei received $311 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Mei from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $144.
General payments to Dr. Mei by program year, 2024 to 2025
Companies that paid Dr. Mei the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rena Mei graduated from Icahn School of Medicine at Mount Sinai
Dr. Mei graduated from Icahn School of Medicine at Mount Sinai in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rena Mei's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Rena Mei
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rena Mei's NPI number?
Dr. Rena Mei's NPI number is 1023571908. It was assigned on April 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Rena Mei?
Dr. Rena Mei is a gastroenterologist in San Francisco, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Rena Mei practice?
Dr. Mei practices at 1001 Potrero Avenue, San Francisco, CA 94110. Dr. Mei's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. Dmand AI also links Dr. Mei to 1 medical group.
What is Dr. Rena Mei's office phone number?
The practice phone on file for Dr. Mei is (415) 206-8000.
What is Dr. Rena Mei's medical license number?
Dr. Mei holds California license A178993.
Which hospitals is Dr. Rena Mei affiliated with?
Dr. Mei practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California.
What medical group is Dr. Rena Mei part of?
Dr. Mei is linked to UCSF Department of Radiology & Biomedical Imaging. Dmand AI links Dr. Mei to 1 more medical group.
Does Dr. Rena Mei accept Medicare?
Yes. CMS lists Dr. Mei as accepting Medicare assignment.
Where did Dr. Rena Mei go to medical school?
Dr. Mei graduated from Icahn School of Medicine at Mount Sinai in 2019.
Has Dr. Rena Mei received payments from drug or device companies?
CMS Open Payments shows $311 in general payments to Dr. Mei from 3 companies from 2024 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Rena Mei been practicing?
Dr. Mei graduated from medical school in 2019, 7 years ago.
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