Dr. William Wang, DO
- Medicare services, 2024
- 102
- Medicare patients, 2024
- 76
- Part D claims, 2024
- 13,386
- MIPS score, 2024
- 79
- Hospital affiliations
- 2
- Practice address
- 12522 E Lambert Rd, Whittier, CA 90606
- Practice phone
- Call (562) 789-5420
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PIH Health Physicians
Whittier, 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. William Wang is an internist in Whittier, California
Dr. Wang practices at PIH Health Physicians in Whittier, California.
Dr. Wang's NPI, 1508213646, was assigned on May 18, 2016. Dr. Wang graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2016. Dr. Wang holds California license 20A22387.
- NPI
- 1508213646NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426389214
- NPI enumeration date
- May 18, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 789-5420
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Wang practices at PIH Health Physicians in Whittier, California
Dr. Wang's primary practice is PIH Health Physicians, at 12522 E Lambert Rd, Whittier, CA 90606 in Los Angeles County. The practice phone is (562) 789-5420.
- PIH Health Physicians12522 E Lambert Rd, Whittier, CA 90606 · Los Angeles CountyPhone(562) 789-5420
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Wang is affiliated with 5 sites of care and 1 medical group
Dr. Wang's primary practice is PIH Health Physicians in Whittier, California. Dr. Wang is also affiliated with PIH Health Whittier Hospital. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Wang to 1 more hospital, 1 group practice or clinic and 1 home health agency, 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. William 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 |
|---|---|
| PIH Health Physicians | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William 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. William Wang billed Medicare for 102 services in 2024
CMS data shows 102 Medicare services from Dr. Wang across 4 procedure codes in 2024, for 76 Medicare patients. Medicare paid $6,775 for them. Every service was in an office.
Dr. Wang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1042024: 9013%
- Imaging
- 2023: 02024: 12
- Lab and pathology
- 2023: 222024: 0100%
- Tests and treatments
- 2023: 192024: 0100%
- Surgery
- 2023: 762024: 0100%
Dr. Wang compared with the California median for internists, 2024
- Dr. Wang
- California median
- Medicare services
- 102vs 36172% below
- Medicare patients
- 76vs 15150% below
- Part D claims
- 12,424vs 42129.5 times
Medians across 15,815 internists 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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Wang treated 76 Medicare patients in 2024, average age 75
CMS counts 76 Medicare patients who saw Dr. Wang in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wang's median patient age at 72, with 56% 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
- Women4559%
- Men3141%
Chronic conditions among Dr. Wang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes37%
- Anxiety28%
- Chronic kidney disease24%
- Ischemic heart disease24%
- Heart failure22%
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 72
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Wang wrote 13,386 Medicare Part D claims in 2024
In 2024, Dr. Wang wrote 13,386 Medicare Part D claims for 2,062 patients. 86% of them were for generic drugs. CMS names the drug for 12,424 of them, across 163 drugs with 11 or more claims each, at $1,052,841 in total drug cost. In 2023, CMS named 25,514 claims across 231 drugs.
Dr. Wang's Part D claims by kind of drug, 2024
- Generic11,532 claims86%
- Brand-name1,680 claims13%
- Other174 claims1%
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%87 of 13,386 claims
- Antibiotics2%307 of 13,386 claims
- Antipsychotics, patients 65 and over0%17 of 13,386 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: 25,5142024: 12,42451%
Drugs named by CMS: 163 in 2024, 231 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. William Wang scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Wang for performance year 2024, reported as part of a group. 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
Dr. Wang's MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Wang received $249 in industry payments from 2016 to 2023
CMS Open Payments shows 8 general payments to Dr. Wang from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Novus Surgical Consultants paid the most, $150.
General payments to Dr. Wang by program year, 2016 to 2023
Companies that paid Dr. Wang the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Wang graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa
Dr. Wang graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William 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)Clinician Public Reporting: Overall MIPS Performance (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 Dr. William 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. William Wang's NPI number?
Dr. William Wang's NPI number is 1508213646. It was assigned on May 18, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. William Wang?
Dr. William Wang is an internist in Whittier, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William Wang practice?
Dr. Wang practices at 12522 E Lambert Rd, Whittier, CA 90606. Dr. Wang's primary practice is PIH Health Physicians in Whittier, California. Dmand AI also links Dr. Wang to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. William Wang's office phone number?
The practice phone on file for Dr. Wang is (562) 789-5420.
What is Dr. William Wang's medical license number?
Dr. Wang holds California license 20A22387.
Which hospitals is Dr. William Wang affiliated with?
Dr. Wang is affiliated with PIH Health Whittier Hospital. Dmand AI links Dr. Wang to 1 more hospital.
What medical group is Dr. William Wang part of?
Dr. Wang is linked to PIH Health Physicians.
Does Dr. William Wang accept Medicare?
Yes. CMS data shows Dr. Wang billed Medicare for 102 services in 2024, and Dr. Wang accepts Medicare assignment.
Does Dr. William Wang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wang as offering telehealth services.
What is Dr. William Wang's MIPS score?
Dr. Wang's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. William Wang see?
CMS counts 76 Medicare patients who saw Dr. Wang in 2024, with an average age of 75.
What services does Dr. William Wang bill to Medicare?
In 2024, Dr. Wang's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and office visit, established patient (99214).
Where did Dr. William Wang go to medical school?
Dr. Wang graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2016.
What drugs does Dr. William Wang prescribe most?
In 2024 Medicare Part D data, Dr. Wang's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. William Wang received payments from drug or device companies?
CMS Open Payments shows $249 in general payments to Dr. Wang from 7 companies from 2016 to 2023. The largest total came from Novus Surgical Consultants.
How long has Dr. William Wang been practicing?
Dr. Wang graduated from medical school in 2016, 10 years ago.
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