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Dr. Dennis Chang, MD
NPI1811939952PAC ID5597738633
- Medicare services, 2024
- 423
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 9,360
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 624 W Duarte Rd, Arcadia, CA 91007
- Practice phone
- Call (626) 447-2886
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pls Surgery Center LP
Arcadia, California
Find Dr. Chang'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. Dennis Chang is a family medicine physician in Arcadia, California
Dr. Chang practices at Pls Surgery Center LP in Arcadia, California.
Dr. Chang's NPI, 1811939952, was assigned on June 12, 2006. Dr. Chang graduated from Keck School of Medicine of USC in 2001. Dr. Chang holds California license A80774.
NPI and contact details
- NPI
- 1811939952NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597738633
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 447-2886
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis Chang practices at Pls Surgery Center LP in Arcadia, California
Dr. Chang's primary practice is Pls Surgery Center LP, at 624 W Duarte Rd, Arcadia, CA 91007 in Los Angeles County. The practice phone is (626) 447-2886.
- Pls Surgery Center LP624 W Duarte Rd, Arcadia, CA 91007 · Los Angeles CountyPhone(626) 447-2886
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dennis Chang is affiliated with 3 sites of care and 1 medical group
Dr. Chang's primary practice is Pls Surgery Center LP in Arcadia, California. Dr. Chang is also affiliated with Dignity Health - Glendale Memorial Hospital and Health Center. The medical group on file is Pathways Healthcare. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.
Pls Surgery Center LPPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dennis Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pls Surgery Center LP | 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. Dennis Chang is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chang is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Chang's licenses on file in 3 states: California, Massachusetts and Pennsylvania.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Massachusetts license
- Pennsylvania license
Clinical focus
Dmand AI lists acute gastroduodenitis, acute skin infection, aneurysm, anxiety, arthritis, atrial fibrillation and flutter, bursitis and chronic diabetes among the conditions Dr. Chang treats.
Family medicine physicians near Dr. Chang
Counts of family medicine physicians 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. Dennis Chang billed Medicare for 423 services in 2024
CMS data shows 423 Medicare services from Dr. Chang across 6 procedure codes in 2024, for 193 Medicare patients. Medicare paid $30,672 for them. Every service was in an office.
Medicare services, 2024423
Medicare patients193
Paid by Medicare$30,672
Procedure codes6
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2832024: 24015%
- Other services
- 2023: 1622024: 18313%
- Tests and treatments
- 2023: 152024: 0100%
Dr. Chang compared with the California median for family medicine physicians, 2024
- Dr. Chang
- California median
- Medicare services
- 423vs 24672% above
- Medicare patients
- 193vs 11864% above
- Part D claims
- 8,658vs 83310.4 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Chang'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. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Chang treated 193 Medicare patients in 2024, average age 77
CMS counts 193 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 65, with 56% women.
Medicare patients, 2024193
Average age77
Average risk score0.85
Dr. Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chang's Medicare patients by sex, 2024
- Women12766%
- Men6634%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis31%
- Diabetes27%
- Chronic kidney disease19%
- Ischemic heart disease15%
- Anxiety13%
- Atrial fibrillation12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang'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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Chang wrote 9,360 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 9,360 Medicare Part D claims for 852 patients. 89% of them were for generic drugs. CMS names the drug for 8,658 of them, across 147 drugs with 11 or more claims each, at $717,333 in total drug cost. In 2023, CMS named 9,131 claims across 149 drugs.
Part D claims, 20249,360
Drugs named by CMS147
Total drug cost$717,333
Part D patients852
Dr. Chang's Part D claims by kind of drug, 2024
- Generic8,358 claims89%
- Brand-name965 claims10%
- Other37 claims0%
Dr. Chang'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. Chang's Part D claims, 2024
- Opioids2%217 of 9,360 claims
- Antibiotics2%232 of 9,360 claims
- Antipsychotics, patients 65 and over1%50 of 9,360 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: 9,1312024: 8,6585%
Drugs named by CMS: 147 in 2024, 149 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. Dennis Chang offers telehealth to Medicare patients
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chang 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dennis Chang has 1 publication on record
Dmand AI links 1 paper to Dr. Chang in 2017. Dr. Chang's most frequent co-author is Dennis F. Chang, MD.
Papers1
Dr. Chang's most frequent co-authors
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Dennis Chang received $1,879 in industry payments from 2016 to 2025
CMS Open Payments shows 49 general payments to Dr. Chang from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $1,008.
General payments to Dr. Chang by program year, 2016 to 2025
General payments to Dr. Chang by kind, 2016 to 2025
$1.9Kin total
- Food and beverage$1,86699%
- Education$141%
Companies that paid Dr. Chang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dennis Chang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chang, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Chang
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Dennis Chang graduated from Keck School of Medicine of USC
Dr. Chang graduated from Keck School of Medicine of USC in 2001.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Dennis Chang accepts plans from 15 insurance carriers
Dr. Chang is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Dennis Chang'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) |
| 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. Dennis Chang
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. Dennis Chang's NPI number?
Dr. Dennis Chang's NPI number is 1811939952. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Chang?
Dr. Dennis Chang is a family medicine physician in Arcadia, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Dennis Chang practice?
Dr. Chang practices at 624 W Duarte Rd, Arcadia, CA 91007. Dr. Chang's primary practice is Pls Surgery Center LP in Arcadia, California. Dmand AI also links Dr. Chang to 1 group practice or clinic.
What is Dr. Dennis Chang's office phone number?
The practice phone on file for Dr. Chang is (626) 447-2886.
What is Dr. Dennis Chang's medical license number?
Dr. Chang holds California license A80774, one of the licenses on file in 3 states.
Which states has Dr. Dennis Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2002 to 2026), Massachusetts (2015 to 2016) and Pennsylvania (2009 to 2016).
Which hospitals is Dr. Dennis Chang affiliated with?
Dr. Chang is affiliated with Dignity Health - Glendale Memorial Hospital and Health Center.
What medical group is Dr. Dennis Chang part of?
Dr. Chang is linked to Pathways Healthcare.
Does Dr. Dennis Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 423 services in 2024, and Dr. Chang accepts Medicare assignment.
Does Dr. Dennis Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Dennis Chang see?
CMS counts 193 Medicare patients who saw Dr. Chang in 2024, with an average age of 77.
Is Dr. Dennis Chang board certified?
Yes. Dr. Chang is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Dennis Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and medicare service (G0444).
Where did Dr. Dennis Chang go to medical school?
Dr. Chang graduated from Keck School of Medicine of USC in 2001.
What drugs does Dr. Dennis Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Rosuvastatin Calcium.
Has Dr. Dennis Chang received payments from drug or device companies?
CMS Open Payments shows $1,879 in general payments to Dr. Chang from 16 companies from 2016 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Dennis Chang been practicing?
Dr. Chang graduated from medical school in 2001, 25 years ago.
Does Dr. Dennis Chang do research?
Dmand AI links 1 publication to Dr. Chang.
Who does Dr. Dennis Chang publish with?
Dr. Chang's most frequent co-authors are Dennis F. Chang, MD (1 shared paper).
What insurance does Dr. Dennis Chang accept?
Dr. Chang is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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