Dr. William H. Hong, MD
- Medicare services, 2024
- 1,109
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 461
- Industry payments
- $35
- Affiliated sites
- 1
- Practice address
- 323 N Prairie Ave, Inglewood, CA 90301
- Practice phone
- Call (310) 674-9710
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
William H. Hong, M.D., Inc
Inglewood, California
Find Dr. Hong'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 H. Hong is a rheumatologist in Inglewood, California
Dr. Hong practices at William H. Hong, M.D., Inc in Inglewood, California.
Dr. Hong's NPI, 1245306745, was assigned on November 27, 2006. Dr. Hong graduated from University Institute of Medicine 1 in 1988. Dr. Hong holds California license A52579.
- NPI
- 1245306745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355246620
- NPI enumeration date
- November 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 674-9710
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William H. Hong practices at William H. Hong, M.D., Inc in Inglewood, California
Dr. Hong's primary practice is William H. Hong, M.D., Inc, at 323 N Prairie Ave, Inglewood, CA 90301 in Los Angeles County. The practice phone is (310) 674-9710.
- William H. Hong, M.D., Inc323 N Prairie Ave, Inglewood, CA 90301 · Los Angeles CountyPhone(310) 674-9710
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William H. Hong is affiliated with 2 sites of care
Dr. Hong's primary practice is William H. Hong, M.D., Inc in Inglewood, California. Dmand AI also links Dr. Hong to 1 physician office, 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 H. Hong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| William H. Hong, M.D., Inc | 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. William H. Hong is one of 821 rheumatologists in California
Rheumatology is Dr. Hong's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Hong is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, fibromyalgia and chronic pain, gout, joint arthropathy, joint pain, lupus, muscle pain, fibromyalgia, and limb pain and osteoporosis among the conditions Dr. Hong treats.
Rheumatologists near Dr. Hong
Counts of rheumatologists 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 H. Hong billed Medicare for 1,109 services in 2024
CMS data shows 1,109 Medicare services from Dr. Hong across 6 procedure codes in 2024, for 115 Medicare patients. Medicare paid $44,975 for them. Every service was in an office.
Dr. Hong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5122024: 4855%
- Office and hospital visits
- 2023: 4972024: 44211%
- Surgery
- 2023: 2252024: 18219%
- Tests and treatments
- 2023: 122024: 0100%
- Other services
- 2023: 122024: 0100%
Dr. Hong compared with the California median for rheumatologists, 2024
- Dr. Hong
- California median
- Medicare services
- 1,109vs 90023% above
- Medicare patients
- 115vs 21647% below
- Part D claims
- 336vs 96265% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Hong'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. Hong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hong and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William H. Hong treated 115 Medicare patients in 2024, average age 76
CMS counts 115 Medicare patients who saw Dr. Hong in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have arthritis, and 75% have high blood pressure. 74% are also on Medicaid. Their average risk score is 1.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hong's median patient age at 67, with 67% women.
Dr. Hong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hong's Medicare patients by sex, 2024
- Women10087%
- Men1513%
Chronic conditions among Dr. Hong's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes66%
- Chronic kidney disease43%
- Ischemic heart disease43%
- Osteoporosis28%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women67%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William H. Hong wrote 461 Medicare Part D claims in 2024
In 2024, Dr. Hong wrote 461 Medicare Part D claims for 58 patients. 90% of them were for generic drugs. CMS names the drug for 336 of them, across 15 drugs with 11 or more claims each, at $15,174 in total drug cost. In 2023, CMS named 268 claims across 14 drugs.
Dr. Hong's Part D claims by kind of drug, 2024
- Generic415 claims90%
- Brand-name46 claims10%
Dr. Hong'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. Hong's Part D claims, 2024
- Opioids3%14 of 461 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: 2682024: 33625%
Drugs named by CMS: 15 in 2024, 14 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. William H. Hong takes part in Medicare
Dr. Hong 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. William H. Hong received $35 in industry payments from 2016 to 2024
CMS Open Payments shows 2 general payments to Dr. Hong from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Scilex Pharmaceuticals Inc. paid the most, $20.
General payments to Dr. Hong by program year, 2016 to 2024
Companies that paid Dr. Hong the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William H. Hong graduated from University Institute of Medicine 1
Dr. Hong graduated from University Institute of Medicine 1 in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. William H. Hong accepts plans from 4 insurance carriers
Dr. Hong is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, CMS Medicare and Humana. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- CMS Medicare
- Humana
- Molina
Plan types Dr. Hong accepts, by number of carriers
- HMO2
- Medicare2
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. William H. Hong'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) |
| 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. William H. Hong
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 H. Hong's NPI number?
Dr. William H. Hong's NPI number is 1245306745. It was assigned on November 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William H. Hong?
Dr. William H. Hong is a rheumatologist in Inglewood, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. William H. Hong practice?
Dr. Hong practices at 323 N Prairie Ave, Inglewood, CA 90301. Dr. Hong's primary practice is William H. Hong, M.D., Inc in Inglewood, California. Dmand AI also links Dr. Hong to 1 physician office.
What is Dr. William H. Hong's office phone number?
The practice phone on file for Dr. Hong is (310) 674-9710.
What is Dr. William H. Hong's medical license number?
Dr. Hong holds California license A52579.
Does Dr. William H. Hong accept Medicare?
Yes. CMS data shows Dr. Hong billed Medicare for 1,109 services in 2024, and Dr. Hong accepts Medicare assignment.
How many Medicare patients does Dr. William H. Hong see?
CMS counts 115 Medicare patients who saw Dr. Hong in 2024, with an average age of 76.
What services does Dr. William H. Hong bill to Medicare?
In 2024, Dr. Hong's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. William H. Hong go to medical school?
Dr. Hong graduated from University Institute of Medicine 1 in 1988.
What drugs does Dr. William H. Hong prescribe most?
In 2024 Medicare Part D data, Dr. Hong's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Methotrexate.
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Has Dr. William H. Hong received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Hong from 2 companies from 2016 to 2024. The largest total came from Scilex Pharmaceuticals Inc.
How long has Dr. William H. Hong been practicing?
Dr. Hong graduated from medical school in 1988, 38 years ago.
What insurance does Dr. William H. Hong accept?
Dr. Hong is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, CMS Medicare and Humana. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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