Dr. John Y. Wang, MD
- Medicare services, 2024
- 27
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 8,803
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 6041 Cadillac Ave, Los Angeles, CA 90034
- Practice phone
- Call (213) 857-2201
- 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. John Y. Wang is an internist in Los Angeles, California
Dr. Wang practices at West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
Dr. Wang's NPI, 1457410078, was assigned on December 8, 2006. Dr. Wang graduated from Perelman School of Medicine - Philadelphia in 1994. Dr. Wang's California license number on file is A54649.
- NPI
- 1457410078NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618007196
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 857-2201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Y. Wang practices at West Los Angeles Medical Center in Los Angeles, California
Dr. Wang's primary practice is West Los Angeles Medical Center, at 6041 Cadillac Ave, Los Angeles, CA 90034 in Los Angeles County. The practice phone is (213) 857-2201.
- West Los Angeles Medical Center6041 Cadillac Ave, Los Angeles, CA 90034 · Los Angeles CountyPhone(213) 857-2201
Source: Dmand AI Affiliation Data
Dr. John Y. Wang is affiliated with 2 sites of care and 1 medical group
Dr. Wang's primary practice is West Los Angeles Medical Center in Los Angeles, 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 dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Y. 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 |
|---|---|
| West Los Angeles Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Y. 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 board certified in internal medicine by the American Board of Internal Medicine. Dr. Wang has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, chronic diabetes, fibromyalgia and chronic pain, insomnia, skin cyst and thoracic spine disorders among the conditions Dr. Wang treats.
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. John Y. Wang billed Medicare for 27 services in 2024
CMS data shows 27 Medicare services from Dr. Wang across 1 procedure code in 2024, all of them office visits, for 26 Medicare patients. Medicare paid $1,897 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: 222024: 2723%
Dr. Wang compared with the California median for internists, 2024
- Dr. Wang
- California median
- Medicare services
- 27vs 36193% below
- Medicare patients
- 26vs 15183% below
- Part D claims
- 8,224vs 42119.5 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.
Need commercial claims for Dr. Wang?
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. John Y. Wang treated 26 Medicare patients in 2024, average age 69
CMS counts 26 Medicare patients who saw Dr. Wang in 2024. The largest group is 65 to 74, with 11 patients. 42% of them have high blood pressure. 58% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wang's median patient age at 61, with 53% women.
Dr. Wang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Wang's Medicare patients, 2024
- High blood pressure42%
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 61
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Y. Wang wrote 8,803 Medicare Part D claims in 2024
In 2024, Dr. Wang wrote 8,803 Medicare Part D claims for 819 patients. 89% of them were for generic drugs. CMS names the drug for 8,224 of them, across 111 drugs with 11 or more claims each, at $407,026 in total drug cost. In 2023, CMS named 7,988 claims across 112 drugs.
Dr. Wang's Part D claims by kind of drug, 2024
- Generic7,874 claims89%
- Brand-name835 claims9%
- Other94 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
- Opioids4%311 of 8,803 claims
- Antibiotics1%109 of 8,803 claims
- Antipsychotics, patients 65 and over0%15 of 8,803 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: 7,9882024: 8,2243%
Drugs named by CMS: 111 in 2024, 112 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. John Y. 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Y. Wang has 6 publications on record
Dmand AI links 6 papers to Dr. Wang, published from 2015 to 2023. The most frequent topics are Oxidation-Reduction, Drug Compounding and Excipients. Dr. Wang has published most often in Pharm Res. Dr. Wang's most frequent co-authors are Kapil Gupta, MD, Lisa Shieh, MD and Satish K. Singh, MD.
Dr. Wang's papers by year, 2015 to 2023
Topics Dr. Wang writes about most
- Oxidation-Reduction
- Drug Compounding
- Excipients
- Polysorbates
Dr. Wang's most frequent co-authors
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. John Y. Wang received $253 in industry payments from 2018 to 2024
CMS Open Payments shows 5 general payments to Dr. Wang from 5 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $111.
General payments to Dr. Wang by program year, 2018 to 2024
Companies that paid Dr. Wang the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Y. Wang has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Wang, most recently NCQA HSRP in 2013.
Awards and honors for Dr. Wang
- 2013
- NCQA HSRP
- 2012
- NCQA DRP
- 2011
- Bridges to Excellence
- 2010
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. John Y. Wang graduated from Perelman School of Medicine - Philadelphia
Dr. Wang graduated from Perelman School of Medicine - Philadelphia in 1994.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John Y. Wang accepts plans from 2 insurance carriers
Dr. Wang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Wang accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Y. 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 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. John Y. 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. John Y. Wang's NPI number?
Dr. John Y. Wang's NPI number is 1457410078. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Y. Wang?
Dr. John Y. Wang is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Y. Wang practice?
Dr. Wang practices at 6041 Cadillac Ave, Los Angeles, CA 90034. Dr. Wang's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links Dr. Wang to 1 dialysis center.
What is Dr. John Y. Wang's office phone number?
The practice phone on file for Dr. Wang is (213) 857-2201.
What is Dr. John Y. Wang's medical license number?
Dr. Wang's California license number on file is A54649.
Which hospitals is Dr. John Y. Wang affiliated with?
Dr. Wang practices at West Los Angeles Medical Center in Los Angeles, California.
What medical group is Dr. John Y. Wang part of?
Dr. Wang is linked to Southern California Permanente Medical Group.
Does Dr. John Y. Wang accept Medicare?
Yes. CMS data shows Dr. Wang billed Medicare for 27 services in 2024, and Dr. Wang accepts Medicare assignment.
Does Dr. John Y. Wang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wang as offering telehealth services.
How many Medicare patients does Dr. John Y. Wang see?
CMS counts 26 Medicare patients who saw Dr. Wang in 2024, with an average age of 69.
Show 9 more questionsShow fewer questions
Is Dr. John Y. Wang board certified?
Yes. Dr. Wang is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. John Y. Wang bill to Medicare?
In 2024, Dr. Wang's most billed Medicare services were office visit, established patient (99214).
Where did Dr. John Y. Wang go to medical school?
Dr. Wang graduated from Perelman School of Medicine - Philadelphia in 1994.
What drugs does Dr. John Y. 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. John Y. Wang received payments from drug or device companies?
CMS Open Payments shows $253 in general payments to Dr. Wang from 5 companies from 2018 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John Y. Wang been practicing?
Dr. Wang graduated from medical school in 1994, 32 years ago.
Does Dr. John Y. Wang do research?
Dmand AI links 6 publications to Dr. Wang, published from 2015 to 2023.
Who does Dr. John Y. Wang publish with?
Dr. Wang's most frequent co-authors are Kapil Gupta, MD (1 shared paper), Lisa Shieh, MD (1 shared paper) and Satish K. Singh, MD (1 shared paper).
What insurance does Dr. John Y. Wang accept?
Dr. Wang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card