Dr. Danny L. Chang, MD
- Medicare services, 2024
- 549
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 100
- Hospital affiliations
- 4
- Industry payments
- $490
- Practice address
- 100 S Raymond Ave, Alhambra, CA 91801
- Practice phone
- Call (626) 570-1606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Danny L. Chang is an emergency medicine physician in Alhambra, California
Dr. Chang practices at Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare.
Dr. Chang's NPI, 1215981048, was assigned on May 19, 2006. Dr. Chang graduated from Vanderbilt University School of Medicine in 2002. Dr. Chang holds California license A86119.
- NPI
- 1215981048NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911954441
- NPI enumeration date
- May 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 570-1606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Danny L. Chang practices at Alhambra Hospital Medical Center in Alhambra, California
Dr. Chang's primary practice is Alhambra Hospital Medical Center, at 100 S Raymond Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (626) 570-1606.
- Alhambra Hospital Medical Center100 S Raymond Ave, Alhambra, CA 91801 · Los Angeles CountyPhone(626) 570-1606
Source: Dmand AI Affiliation Data
Dr. Danny L. Chang is affiliated with 5 sites of care and 4 medical groups
Dr. Chang's primary practice is Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare. Dr. Chang is also affiliated with Garfield Medical Center. The medical group on file is Emergency Medical Associates (EMA). Dmand AI also links Dr. Chang to 2 more hospitals, 3 medical groups and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Danny L. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alhambra Hospital Medical Center | Available with a free account |
| +4 more sites and 3 medical groups | 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 AHMC Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Danny L. Chang is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chang is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Chang
Counts of emergency 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. Danny L. Chang billed Medicare for 549 services in 2024
CMS data shows 549 Medicare services from Dr. Chang across 5 procedure codes in 2024, for 355 Medicare patients. Medicare paid $46,790 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3572024: 3551%
- Tests and treatments
- 2023: 852024: 194128%
Dr. Chang compared with the California median for emergency medicine physicians, 2024
- Dr. Chang
- California median
- Medicare services
- 549vs 2652.1 times
- Medicare patients
- 355vs 24346% above
- Part D claims
- 42vs 6232% below
Medians across 7,079 emergency 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 emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Danny L. Chang treated 355 Medicare patients in 2024, average age 77
CMS counts 355 Medicare patients who saw Dr. Chang in 2024. The largest group is 85 and over, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 89% are also on Medicaid. Their average risk score is 2.84, 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. Chang's median patient age at 47, with 57% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women18652%
- Men16948%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Arthritis56%
- Chronic kidney disease55%
- Ischemic heart disease51%
- Alzheimer's and dementia40%
- Heart failure40%
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 47
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Danny L. Chang wrote 100 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 100 Medicare Part D claims for 76 patients. 92% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $144 in total drug cost. In 2022, CMS named 52 claims across 2 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic92 claims92%
- Brand-name and other8 claims8%
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
- Opioids15%15 of 100 claims
- Antibiotics34%34 of 100 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 522024: 4219%
Drugs named by CMS: 3 in 2024, 2 in 2022.
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. Danny L. Chang takes part in Medicare
Dr. Chang 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)
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. Danny L. Chang received $490 in industry payments from 2016 to 2024
CMS Open Payments shows 23 general payments to Dr. Chang from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $201.
General payments to Dr. Chang by program year, 2016 to 2024
Companies that paid Dr. Chang 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. Danny L. Chang graduated from Vanderbilt University School of Medicine
Dr. Chang graduated from Vanderbilt University School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Danny L. 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 | 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) |
| 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. Danny L. 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. Danny L. Chang's NPI number?
Dr. Danny L. Chang's NPI number is 1215981048. It was assigned on May 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Danny L. Chang?
Dr. Danny L. Chang is an emergency medicine physician in Alhambra, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Danny L. Chang practice?
Dr. Chang practices at 100 S Raymond Ave, Alhambra, CA 91801. Dr. Chang's primary practice is Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare. Dmand AI also links Dr. Chang to 2 hospitals, 3 medical groups and 1 skilled nursing facility.
What is Dr. Danny L. Chang's office phone number?
The practice phone on file for Dr. Chang is (626) 570-1606.
What is Dr. Danny L. Chang's medical license number?
Dr. Chang holds California license A86119.
Which hospitals is Dr. Danny L. Chang affiliated with?
Dr. Chang practices at Alhambra Hospital Medical Center in Alhambra, California. Dr. Chang is also affiliated with Garfield Medical Center. Dmand AI links Dr. Chang to 2 more hospitals.
What medical group is Dr. Danny L. Chang part of?
Dr. Chang is linked to Emergency Medical Associates (EMA). Dmand AI links Dr. Chang to 3 more medical groups.
Does Dr. Danny L. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 549 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. Danny L. Chang see?
CMS counts 355 Medicare patients who saw Dr. Chang in 2024, with an average age of 77.
What services does Dr. Danny L. Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Show 4 more questionsShow fewer questions
Where did Dr. Danny L. Chang go to medical school?
Dr. Chang graduated from Vanderbilt University School of Medicine in 2002.
What drugs does Dr. Danny L. Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Ondansetron HCl.
Has Dr. Danny L. Chang received payments from drug or device companies?
CMS Open Payments shows $490 in general payments to Dr. Chang from 7 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Danny L. Chang been practicing?
Dr. Chang graduated from medical school in 2002, 24 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians 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