Dr. Diana Wang, MD
- Part D claims, 2024
- 520
- Hospital affiliations
- 1
- Industry payments
- $205
- Medical group
- 1
- State license
- 1
- Practice address
- 3440 E La Palma Ave, Anaheim, CA 92806
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. Diana Wang is an internist in Anaheim, California
Dr. Wang practices at Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
Dr. Wang's NPI, 1548337744, was assigned on November 30, 2006. Dr. Wang graduated from University of California, Irvine, California College of Medicine in 1993. Dr. Wang holds California license G79949.
- NPI
- 1548337744NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830252469
- NPI enumeration date
- November 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana Wang practices at Orange County - Anaheim Medical Center in Anaheim, California
Dr. Wang's primary practice is Orange County - Anaheim Medical Center, at 3440 E La Palma Ave, Anaheim, CA 92806 in Orange County. The practice phone is (714) 279-4000.
- Orange County - Anaheim Medical Center3440 E La Palma Ave, Anaheim, CA 92806 · Orange CountyPhone(714) 279-4000
Source: Dmand AI Affiliation Data
Dr. Diana Wang is affiliated with 2 sites of care and 1 medical group
Dr. Wang's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Wang to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diana Wang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County - Anaheim Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana 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. Diana Wang's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Wang's median patient age at 77, with 49% 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 77
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Diana Wang wrote 520 Medicare Part D claims in 2024
In 2024, Dr. Wang wrote 520 Medicare Part D claims for 227 patients. 90% of them were for generic drugs. CMS names the drug for 245 of them, across 15 drugs with 11 or more claims each, at $4,868 in total drug cost. In 2023, CMS named 170 claims across 10 drugs.
Dr. Wang's Part D claims by kind of drug, 2024
- Generic467 claims90%
- Brand-name and other53 claims10%
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
- Opioids6%33 of 520 claims
- Antibiotics22%112 of 520 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: 1702024: 24544%
Drugs named by CMS: 15 in 2024, 10 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
How Dr. Diana Wang takes part in Medicare
Dr. Wang 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)
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Dr. Diana Wang received $205 in industry payments from 2017 to 2025
CMS Open Payments shows 5 general payments to Dr. Wang from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $120.
General payments to Dr. Wang by program year, 2017 to 2025
Companies that paid Dr. Wang the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diana Wang graduated from University of California, Irvine, California College of Medicine
Dr. Wang graduated from University of California, Irvine, California College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diana 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) |
| 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. Diana 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. Diana Wang's NPI number?
Dr. Diana Wang's NPI number is 1548337744. It was assigned on November 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Wang?
Dr. Diana Wang is an internist in Anaheim, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diana Wang practice?
Dr. Wang practices at 3440 E La Palma Ave, Anaheim, CA 92806. Dr. Wang's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. Dmand AI also links Dr. Wang to 1 group practice or clinic.
What is Dr. Diana Wang's office phone number?
The practice phone on file for Dr. Wang is (714) 279-4000.
What is Dr. Diana Wang's medical license number?
Dr. Wang holds California license G79949.
Which hospitals is Dr. Diana Wang affiliated with?
Dr. Wang practices at Orange County - Anaheim Medical Center in Anaheim, California.
What medical group is Dr. Diana Wang part of?
Dr. Wang is linked to Southern California Permanente Medical Group.
Does Dr. Diana Wang accept Medicare?
Yes. CMS lists Dr. Wang as accepting Medicare assignment.
Where did Dr. Diana Wang go to medical school?
Dr. Wang graduated from University of California, Irvine, California College of Medicine in 1993.
What drugs does Dr. Diana Wang prescribe most?
In 2024 Medicare Part D data, Dr. Wang's most prescribed drugs by claims were Furosemide, Cephalexin and Ciprofloxacin HCl.
Has Dr. Diana Wang received payments from drug or device companies?
CMS Open Payments shows $205 in general payments to Dr. Wang from 5 companies from 2017 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Diana Wang been practicing?
Dr. Wang graduated from medical school in 1993, 33 years ago.
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