Dr. David Yihon Wang, MD
- Medicare services, 2024
- 72
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 267
- Hospital affiliations
- 2
- Industry payments
- $597
- Practice address
- 420 W Rowland St, Covina, CA 91723
- Practice phone
- Call (213) 623-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthcare Partners Medical Group
Covina, California
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. David Yihon Wang is a general surgeon in Covina, California
Dr. Wang practices at Healthcare Partners Medical Group in Covina, California.
Dr. Wang's NPI, 1992764294, was assigned on March 23, 2006. Dr. Wang graduated from New York University School of Medicine in 2018. Dr. Wang holds California license G84366.
- NPI
- 1992764294NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183753916
- NPI enumeration date
- March 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 623-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Yihon Wang practices at Healthcare Partners Medical Group in Covina, California
Dr. Wang's primary practice is Healthcare Partners Medical Group, at 420 W Rowland St, Covina, CA 91723 in Los Angeles County. The practice phone is (213) 623-2225.
- Healthcare Partners Medical Group420 W Rowland St, Covina, CA 91723 · Los Angeles CountyPhone(213) 623-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Yihon Wang is affiliated with 5 sites of care and 2 medical groups
Dr. Wang's primary practice is Healthcare Partners Medical Group in Covina, California. Dr. Wang is also affiliated with Providence Saint Joseph Medical Center. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Wang to 1 more hospital, 2 group practices and clinics 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 Dr. David Yihon Wang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthcare Partners Medical Group | 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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Dr. David Yihon Wang is one of 2,926 general surgeons in California
Surgery is Dr. Wang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Wang is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Wang's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists acute gallbladder or bile duct inflammation, cancerous skin growth removal, colonoscopy, colon removal, gallbladder removal, gastrointestinal bleeding, groin hernia surgery and hemorrhoids among the conditions Dr. Wang treats.
General surgeons near Dr. Wang
Counts of general surgeons 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 Yihon Wang billed Medicare for 72 services in 2024
CMS data shows 72 Medicare services from Dr. Wang across 3 procedure codes in 2024, for 69 Medicare patients. Medicare paid $6,123 for them.
Dr. Wang's Medicare services by type, 2024
- Office and hospital visits58
- Surgery14
Where Dr. Wang's Medicare services took place, 2024
- In an office5881%
- In a facility1419%
Dr. Wang compared with the California median for general surgeons, 2024
- Dr. Wang
- California median
- Medicare services
- 72vs 16657% below
- Medicare patients
- 69vs 12143% below
- Part D claims
- 189vs 345.6 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Wang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wang and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Yihon Wang treated 69 Medicare patients in 2024, average age 73
CMS counts 69 Medicare patients who saw Dr. Wang in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wang's median patient age at 65, with 47% women.
Dr. Wang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wang's Medicare patients by sex, 2024
- Women3348%
- Men3652%
Chronic conditions among Dr. Wang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes30%
- Arthritis29%
- Ischemic heart disease19%
- Cancer17%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
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 65
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Yihon Wang wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Wang wrote 267 Medicare Part D claims for 171 patients. 83% of them were for generic drugs. CMS names the drug for 189 of them, across 5 drugs with 11 or more claims each, at $7,885 in total drug cost.
Dr. Wang's Part D claims by kind of drug, 2024
- Generic222 claims83%
- Brand-name45 claims17%
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
- Opioids51%136 of 267 claims
- Antibiotics9%23 of 267 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. David Yihon Wang takes part in Medicare
Dr. Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David Yihon Wang received $597 in industry payments from 2024 to 2025
CMS Open Payments shows 9 general payments to Dr. Wang from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $275.
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
Dr. David Yihon Wang graduated from New York University School of Medicine
Dr. Wang graduated from New York University School of Medicine in 2018.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. David Yihon Wang accepts plans from 11 insurance carriers
Dr. Wang is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Wang accepts, by number of carriers
- Medicare8
- PPO7
- HMO5
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Yihon 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)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 |
| 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 Yihon 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. David Yihon Wang's NPI number?
Dr. David Yihon Wang's NPI number is 1992764294. It was assigned on March 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Yihon Wang?
Dr. David Yihon Wang is a general surgeon in Covina, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David Yihon Wang practice?
Dr. Wang practices at 420 W Rowland St, Covina, CA 91723. Dr. Wang's primary practice is Healthcare Partners Medical Group in Covina, California. Dmand AI also links Dr. Wang to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. David Yihon Wang's office phone number?
The practice phone on file for Dr. Wang is (213) 623-2225.
What is Dr. David Yihon Wang's medical license number?
Dr. Wang holds California license G84366, one of the licenses on file in 2 states.
Which states has Dr. David Yihon Wang been licensed in?
Dmand AI has state licenses on file for Dr. Wang in California (1998 to 2027) and Michigan (1991 to 1999).
Which hospitals is Dr. David Yihon Wang affiliated with?
Dr. Wang is affiliated with Providence Saint Joseph Medical Center. Dmand AI links Dr. Wang to 1 more hospital.
What medical group is Dr. David Yihon Wang part of?
Dr. Wang is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Wang to 1 more medical group.
Does Dr. David Yihon Wang accept Medicare?
Yes. CMS data shows Dr. Wang billed Medicare for 72 services in 2024, and Dr. Wang accepts Medicare assignment.
How many Medicare patients does Dr. David Yihon Wang see?
CMS counts 69 Medicare patients who saw Dr. Wang in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. David Yihon Wang board certified?
Yes. Dr. Wang is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. David Yihon Wang bill to Medicare?
In 2024, Dr. Wang's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: digestive system (45380).
Where did Dr. David Yihon Wang go to medical school?
Dr. Wang graduated from New York University School of Medicine in 2018.
What drugs does Dr. David Yihon Wang prescribe most?
In 2024 Medicare Part D data, Dr. Wang's most prescribed drugs by claims were Acetaminophen-Codeine, Hydrocodone-Acetaminophen and Sutab.
Has Dr. David Yihon Wang received payments from drug or device companies?
CMS Open Payments shows $597 in general payments to Dr. Wang from 4 companies from 2024 to 2025. The largest total came from Amgen Inc.
How long has Dr. David Yihon Wang been practicing?
Dr. Wang graduated from medical school in 2018, 8 years ago.
What insurance does Dr. David Yihon Wang accept?
Dr. Wang is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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