Dr. Charlie Huang, DO
- Medicare services, 2024
- 1,003
- Medicare patients, 2024
- 317
- Part D claims, 2024
- 5,542
- Hospital affiliations
- 1
- Industry payments
- $261
- Practice address
- 16300 Sand Canyon Ave, Irvine, CA 92618
- Practice phone
- Call (949) 727-3999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Donald I. Altman MD
Irvine, California
Find Dr. Huang'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. Charlie Huang is an internist in Irvine, California
Dr. Huang practices at Donald I. Altman MD in Irvine, California.
Dr. Huang's NPI, 1427591577, was assigned on November 21, 2016. Dr. Huang graduated from Touro University California - Vallejo in 2015. Dr. Huang holds California license 20A14941.
- NPI
- 1427591577NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375894199
- NPI enumeration date
- November 21, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (949) 727-3999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charlie Huang practices at Donald I. Altman MD in Irvine, California
Dr. Huang's primary practice is Donald I. Altman MD, at 16300 Sand Canyon Ave, Irvine, CA 92618 in Orange County. The practice phone is (949) 727-3999.
- Donald I. Altman MD16300 Sand Canyon Ave, Irvine, CA 92618 · Orange CountyPhone(949) 727-3999
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charlie Huang is affiliated with 3 sites of care and 1 medical group
Dr. Huang's primary practice is Donald I. Altman MD in Irvine, California. Dr. Huang is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Hoag Clinic. Dmand AI also links Dr. Huang to 1 more home health agency, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charlie Huang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Huang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Donald I. Altman MD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charlie Huang is one of 16,751 internists in California
Internal medicine is Dr. Huang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Huang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Huang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute skin infection, anxiety, arthritis, asthma, atrial fibrillation and flutter, bladder disease and cerebrovascular disease among the conditions Dr. Huang treats.
Internists near Dr. Huang
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. Charlie Huang billed Medicare for 1,003 services in 2024
CMS data shows 1,003 Medicare services from Dr. Huang across 19 procedure codes in 2024, for 317 Medicare patients. Medicare paid $88,151 for them. Every service was in an office.
Dr. Huang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4972024: 64129%
- Other services
- 2023: 1322024: 19346%
- Tests and treatments
- 2023: 1022024: 13633%
- Surgery
- 2023: 342024: 2138%
- Lab and pathology
- 2023: 02024: 12
Dr. Huang compared with the California median for internists, 2024
- Dr. Huang
- California median
- Medicare services
- 1,003vs 3612.8 times
- Medicare patients
- 317vs 1512.1 times
- Part D claims
- 4,793vs 42111.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Huang'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. Huang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Huang and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charlie Huang treated 317 Medicare patients in 2024, average age 75
CMS counts 317 Medicare patients who saw Dr. Huang in 2024. The largest group is 65 to 74, with 146 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Huang's median patient age at 68, with 50% women.
Dr. Huang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Huang's Medicare patients by sex, 2024
- Women16652%
- Men15148%
Chronic conditions among Dr. Huang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis40%
- Diabetes27%
- Ischemic heart disease24%
- Osteoporosis23%
- Anxiety16%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Huang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charlie Huang wrote 5,542 Medicare Part D claims in 2024
In 2024, Dr. Huang wrote 5,542 Medicare Part D claims for 600 patients. 91% of them were for generic drugs. CMS names the drug for 4,793 of them, across 104 drugs with 11 or more claims each, at $261,794 in total drug cost. In 2023, CMS named 4,557 claims across 100 drugs.
Dr. Huang's Part D claims by kind of drug, 2024
- Generic5,057 claims91%
- Brand-name459 claims8%
- Other26 claims0%
Dr. Huang'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. Huang's Part D claims, 2024
- Opioids1%54 of 5,542 claims
- Antibiotics2%91 of 5,542 claims
- Antipsychotics, patients 65 and over1%34 of 5,542 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: 4,5572024: 4,7935%
Drugs named by CMS: 104 in 2024, 100 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. Charlie Huang offers telehealth to Medicare patients
Dr. Huang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Huang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
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); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charlie Huang received $261 in industry payments from 2016 to 2023
CMS Open Payments shows 9 general payments to Dr. Huang from 9 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $90.
General payments to Dr. Huang by program year, 2016 to 2023
Companies that paid Dr. Huang 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. Charlie Huang graduated from Touro University California - Vallejo
Dr. Huang graduated from Touro University California - Vallejo in 2015.
- Medical school
- Board certified in internal medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Charlie Huang accepts plans from 12 insurance carriers
Dr. Huang is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Huang accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Charlie Huang'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 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)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. Charlie Huang
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. Charlie Huang's NPI number?
Dr. Charlie Huang's NPI number is 1427591577. It was assigned on November 21, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Charlie Huang?
Dr. Charlie Huang is an internist in Irvine, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charlie Huang practice?
Dr. Huang practices at 16300 Sand Canyon Ave, Irvine, CA 92618. Dr. Huang's primary practice is Donald I. Altman MD in Irvine, California. Dmand AI also links Dr. Huang to 1 home health agency.
What is Dr. Charlie Huang's office phone number?
The practice phone on file for Dr. Huang is (949) 727-3999.
What is Dr. Charlie Huang's medical license number?
Dr. Huang holds California license 20A14941.
Which hospitals is Dr. Charlie Huang affiliated with?
Dr. Huang is affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Charlie Huang part of?
Dr. Huang is linked to Hoag Clinic.
Does Dr. Charlie Huang accept Medicare?
Yes. CMS data shows Dr. Huang billed Medicare for 1,003 services in 2024, and Dr. Huang accepts Medicare assignment.
Does Dr. Charlie Huang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Huang as offering telehealth services.
How many Medicare patients does Dr. Charlie Huang see?
CMS counts 317 Medicare patients who saw Dr. Huang in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Charlie Huang board certified?
Yes. Dr. Huang is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Charlie Huang bill to Medicare?
In 2024, Dr. Huang's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Charlie Huang go to medical school?
Dr. Huang graduated from Touro University California - Vallejo in 2015.
What drugs does Dr. Charlie Huang prescribe most?
In 2024 Medicare Part D data, Dr. Huang's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Charlie Huang received payments from drug or device companies?
CMS Open Payments shows $261 in general payments to Dr. Huang from 9 companies from 2016 to 2023. The largest total came from ViiV Healthcare Company.
How long has Dr. Charlie Huang been practicing?
Dr. Huang graduated from medical school in 2015, 11 years ago.
What insurance does Dr. Charlie Huang accept?
Dr. Huang is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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