N Engl J Med
Mercury Poisoning
Dr. Fengdan Wang, MD
NPI1366716391PAC ID6608179809
- Part D claims, 2024
- 1,175
- Publications
- 1
- Industry payments
- $761
- Affiliated sites
- 3
- Medical groups
- 2
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
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Dr. Fengdan Wang is an internist in Palo Alto, California
Dr. Wang practices at Surgery Center Palo Alto in Palo Alto, California.
Dr. Wang's NPI, 1366716391, was assigned on March 8, 2012. Dr. Wang holds California license 132936.
NPI and contact details
- NPI
- 1366716391NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608179809
- NPI enumeration date
- March 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 324-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fengdan Wang practices at Surgery Center Palo Alto in Palo Alto, California
Dr. Wang's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Dr. Fengdan Wang is affiliated with 3 sites of care and 2 medical groups
Dr. Wang's primary practice is Surgery Center Palo Alto in Palo Alto, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Wang to 2 more group practices and clinics and 1 medical group, each named with a free account.
Surgery Center Palo AltoPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fengdan Wang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fengdan Wang is one of 16,751 internists in California
Internal medicine is Dr. Wang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Wang
Counts of internists 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. Fengdan Wang's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Wang's median patient age at 47, with 64% women.
Dr. 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 47
Patient panel by sex, all payers
- Women64%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Fengdan Wang wrote 1,175 Medicare Part D claims in 2024
In 2024, Dr. Wang wrote 1,175 Medicare Part D claims for 250 patients. 94% of them were for generic drugs. CMS names the drug for 849 of them, across 25 drugs with 11 or more claims each, at $12,910 in total drug cost. In 2023, CMS named 775 claims across 22 drugs.
Part D claims, 20241,175
Drugs named by CMS25
Total drug cost$12,910
Part D patients250
Dr. Wang's Part D claims by kind of drug, 2024
- Generic1,110 claims94%
- Brand-name and other65 claims6%
Dr. Wang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wang's Part D claims, 2024
- Opioids1%11 of 1,175 claims
- Antibiotics2%26 of 1,175 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7752024: 84910%
Drugs named by CMS: 25 in 2024, 22 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Fengdan Wang offers telehealth to Medicare patients
Dr. Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Fengdan Wang has 1 publication on record
Dmand AI links 1 paper to Dr. Wang.
Papers1
Recent publications by Dr. Wang
See who Dr. Wang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wang works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Fengdan Wang received $761 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Dr. Wang from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $250.
General payments to Dr. Wang by program year, 2024 to 2025
Companies that paid Dr. 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
Sources for Dr. Fengdan 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 | 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 and Drug (CMS) (opens in a new tab)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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Fengdan 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 Dr. Fengdan Wang's NPI number?
Dr. Fengdan Wang's NPI number is 1366716391. It was assigned on March 8, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Fengdan Wang?
Dr. Fengdan Wang is an internist in Palo Alto, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Fengdan Wang practice?
Dr. Wang practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Wang's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Wang to 2 group practices and clinics and 1 medical group.
What is Dr. Fengdan Wang's office phone number?
The practice phone on file for Dr. Wang is (650) 324-1832.
What is Dr. Fengdan Wang's medical license number?
Dr. Wang holds California license 132936.
What medical group is Dr. Fengdan Wang part of?
Dr. Wang is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Wang to 1 more medical group.
Does Dr. Fengdan Wang accept Medicare?
Yes. CMS lists Dr. Wang as accepting Medicare assignment.
Does Dr. Fengdan Wang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wang as offering telehealth services.
What drugs does Dr. Fengdan Wang prescribe most?
In 2024 Medicare Part D data, Dr. Wang's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Fengdan Wang received payments from drug or device companies?
CMS Open Payments shows $761 in general payments to Dr. Wang from 5 companies from 2024 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Fengdan Wang been practicing?
Dr. Wang graduated from medical school in 1998, 28 years ago.
Does Dr. Fengdan Wang do research?
Dmand AI links 1 publication to Dr. Wang.
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