Dr. David Dazon Wei, MD
- Hospital affiliations
- 2
- Industry payments
- $227
- Medical group
- 1
- Insurance carriers
- 1
- State licenses
- 2
- Practice address
- 39400 Paseo Padre Pkwy, Fremont, CA 94538
- Practice phone
- Call (510) 784-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wei'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. David Dazon Wei is an anesthesiologist in Fremont, California
Dr. Wei practices at Fremont Medical Center in Fremont, California, part of Kaiser Permanente.
Dr. Wei's NPI, 1861570616, was assigned on November 1, 2006. Dr. Wei graduated from University Of Michigan Medical School in 1997. Dr. Wei holds California license A69684.
- NPI
- 1861570616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799751798
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 784-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Dazon Wei practices at Fremont Medical Center in Fremont, California
Dr. Wei's primary practice is Fremont Medical Center, at 39400 Paseo Padre Pkwy, Fremont, CA 94538 in Alameda County. The practice phone is (510) 784-4000.
- Fremont Medical Center39400 Paseo Padre Pkwy, Fremont, CA 94538 · Alameda CountyPhone(510) 784-4000
Source: Dmand AI Affiliation Data
Dr. David Dazon Wei is affiliated with 2 sites of care and 1 medical group
Dr. Wei's primary practice is Fremont Medical Center in Fremont, California, part of Kaiser Permanente. Dr. Wei is also affiliated with San Leandro Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Dazon Wei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wei practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fremont Medical Center | Available with a free account |
| +1 more affiliated site | 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David Dazon Wei is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Wei's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Wei is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Wei's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Illinois license
Anesthesiologists near Dr. Wei
Counts of anesthesiologists 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. David Dazon Wei's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Wei's median patient age at 50, with 54% women.
Dr. Wei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
How Dr. David Dazon Wei takes part in Medicare
Dr. Wei accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. David Dazon Wei received $227 in industry payments from 2016 to 2024
CMS Open Payments shows 5 general payments to Dr. Wei from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Merz North America, Inc. paid the most, $125.
General payments to Dr. Wei by program year, 2016 to 2024
Companies that paid Dr. Wei the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Dazon Wei graduated from University Of Michigan Medical School
Dr. Wei graduated from University Of Michigan Medical School in 1997.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. David Dazon Wei accepts plans from 1 insurance carrier
Dr. Wei is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Wei accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Dazon Wei'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. David Dazon Wei
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. David Dazon Wei's NPI number?
Dr. David Dazon Wei's NPI number is 1861570616. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Dazon Wei?
Dr. David Dazon Wei is an anesthesiologist in Fremont, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. David Dazon Wei practice?
Dr. Wei practices at 39400 Paseo Padre Pkwy, Fremont, CA 94538. Dr. Wei's primary practice is Fremont Medical Center in Fremont, California, part of Kaiser Permanente.
What is Dr. David Dazon Wei's office phone number?
The practice phone on file for Dr. Wei is (510) 784-4000.
What is Dr. David Dazon Wei's medical license number?
Dr. Wei holds California license A69684, one of the licenses on file in 2 states.
Which states has Dr. David Dazon Wei been licensed in?
Dmand AI has state licenses on file for Dr. Wei in California (1999 to 2026) and Illinois (2003 to 2005).
Which hospitals is Dr. David Dazon Wei affiliated with?
Dr. Wei practices at Fremont Medical Center in Fremont, California. Dr. Wei is also affiliated with San Leandro Medical Center.
What medical group is Dr. David Dazon Wei part of?
Dr. Wei is linked to The Permanente Medical Group, Inc.
Does Dr. David Dazon Wei accept Medicare?
Yes. CMS lists Dr. Wei as accepting Medicare assignment.
Is Dr. David Dazon Wei board certified?
Yes. Dr. Wei is board certified in anesthesiology by the American Board of Anesthesiology.
Show 4 more questionsShow fewer questions
Where did Dr. David Dazon Wei go to medical school?
Dr. Wei graduated from University Of Michigan Medical School in 1997.
Has Dr. David Dazon Wei received payments from drug or device companies?
CMS Open Payments shows $227 in general payments to Dr. Wei from 5 companies from 2016 to 2024. The largest total came from Merz North America, Inc.
How long has Dr. David Dazon Wei been practicing?
Dr. Wei graduated from medical school in 1997, 29 years ago.
What insurance does Dr. David Dazon Wei accept?
Dr. Wei is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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