John E. Wang
- Hospital affiliations
- 3
- Industry payments
- $2,550
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 3801 Miranda Ave, Palo Alto, CA 94304
- Practice phone
- Call (650) 493-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
VA Aplo Alto Health Care System
Palo Alto, California
Find John Wang'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.
John E. Wang is a gastroenterologist in Palo Alto, California
John Wang practices at VA Aplo Alto Health Care System in Palo Alto, California.
John Wang's NPI, 1518429869, was assigned on April 4, 2019. John Wang graduated from University of Texas Southwestern Medical School at Dallas in 2019. John Wang holds California license A179087.
- NPI
- 1518429869NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345756664
- NPI enumeration date
- April 4, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 493-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John E. Wang practices at VA Aplo Alto Health Care System in Palo Alto, California
John Wang's primary practice is VA Aplo Alto Health Care System, at 3801 Miranda Ave, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 493-5000.
- VA Aplo Alto Health Care System3801 Miranda Ave, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 493-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John E. Wang is affiliated with 5 sites of care and 2 medical groups
John Wang's primary practice is VA Aplo Alto Health Care System in Palo Alto, California. John Wang is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is North East Medical Services (NEMS). Dmand AI also links John Wang to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John E. Wang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Wang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VA Aplo Alto Health Care System | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John E. Wang is one of 1,977 gastroenterologists in California
Gastroenterology is John Wang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. John Wang is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near John Wang
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
John E. Wang's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts John Wang's median patient age at 66, with 49% women.
John Wang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men48%
Source: Dmand AI Patient Panel Data
John E. Wang ranks in the 96th percentile for colonoscopy in Medicare
John Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Wang as offering telehealth. CMS counts 261 procedures of colonoscopy by John Wang, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where John Wang ranks in Medicare procedure volume
- Colonoscopy
- 96th percentile261 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 89th percentile189 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)
John E. Wang received $2,550 in industry payments from 2024 to 2025
CMS Open Payments shows 32 general payments to John Wang from 13 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $781.
General payments to John Wang by program year, 2024 to 2025
Companies that paid John Wang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John E. Wang graduated from University of Texas Southwestern Medical School at Dallas
John Wang graduated from University of Texas Southwestern Medical School at Dallas in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John E. Wang'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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 John E. Wang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John E. Wang's NPI number?
John E. Wang's NPI number is 1518429869. It was assigned on April 4, 2019, and it is active in the NPI Registry.
What does John E. Wang specialize in?
John E. Wang is a gastroenterologist in Palo Alto, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does John E. Wang practice?
John Wang practices at 3801 Miranda Ave, Palo Alto, CA 94304. John Wang's primary practice is VA Aplo Alto Health Care System in Palo Alto, California. Dmand AI also links John Wang to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is John E. Wang's office phone number?
The practice phone on file for John Wang is (650) 493-5000.
What is John E. Wang's medical license number?
John Wang holds California license A179087.
Which hospitals is John E. Wang affiliated with?
John Wang is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links John Wang to 2 more hospitals.
What medical group is John E. Wang part of?
John Wang is linked to North East Medical Services (NEMS). Dmand AI links John Wang to 1 more medical group.
Does John E. Wang accept Medicare?
Yes. CMS lists John Wang as accepting Medicare assignment.
Does John E. Wang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists John Wang as offering telehealth services.
Where did John E. Wang go to medical school?
John Wang graduated from University of Texas Southwestern Medical School at Dallas in 2019.
Has John E. Wang received payments from drug or device companies?
CMS Open Payments shows $2,550 in general payments to John Wang from 13 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has John E. Wang been practicing?
John Wang graduated from medical school in 2019, 7 years ago.
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