Christopher R. Chang
- Part D claims, 2024
- 62
- Hospital affiliations
- 1
- Industry payments
- $286
- Medical group
- 1
- State license
- 1
- Practice address
- 300 Community Drive, Manhasset, NY 11030
- Practice phone
- Call (516) 562-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Christopher 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.
Christopher R. Chang is a physician assistant in Manhasset, New York
Christopher Chang practices at North Shore University Hospital in Manhasset, New York, part of Northwell Health.
Christopher Chang's NPI, 1437931953, was assigned on October 18, 2023.
- NPI
- 1437931953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830620368
- NPI enumeration date
- October 18, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 562-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher R. Chang practices at North Shore University Hospital in Manhasset, New York
Christopher Chang's primary practice is North Shore University Hospital, at 300 Community Drive, Manhasset, NY 11030 in Nassau County. The practice phone is (516) 562-0100.
- North Shore University Hospital300 Community Drive, Manhasset, NY 11030 · Nassau CountyPhone(516) 562-0100
Source: Dmand AI Affiliation Data
Christopher R. Chang is affiliated with 1 site of care and 1 medical group
Christopher Chang's primary practice is North Shore University Hospital in Manhasset, New York, part of Northwell Health. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher R. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Shore University Hospital | 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Christopher R. Chang is one of 11,456 physician assistants in New York
Physician assistant is Christopher Chang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christopher Chang has a license on file in New York.
Specialties and state licenses
- Physician assistant, New York
Physician assistants near Christopher Chang
Counts of physician assistants 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
Christopher R. Chang's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Christopher Chang's median patient age at 56, with 42% women.
Christopher 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 56
Patient panel by sex, all payers
- Women42%
- Men50%
Source: Dmand AI Patient Panel Data
Christopher R. Chang wrote 62 Medicare Part D claims in 2024
In 2024, Christopher Chang wrote 62 Medicare Part D claims for 23 patients. 79% of them were for generic drugs.
Christopher Chang's Part D claims by kind of drug, 2024
- Generic49 claims79%
- Brand-name and other13 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Christopher R. Chang takes part in Medicare
Christopher 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.
Christopher R. Chang received $286 in industry payments in 2025
CMS Open Payments shows 2 general payments to Christopher Chang from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $146.
Companies that paid Christopher Chang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher R. 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Christopher R. 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 Christopher R. Chang's NPI number?
Christopher R. Chang's NPI number is 1437931953. It was assigned on October 18, 2023, and it is active in the NPI Registry.
What does Christopher R. Chang specialize in?
Christopher R. Chang is a physician assistant in Manhasset, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christopher R. Chang practice?
Christopher Chang practices at 300 Community Drive, Manhasset, NY 11030. Christopher Chang's primary practice is North Shore University Hospital in Manhasset, New York, part of Northwell Health.
What is Christopher R. Chang's office phone number?
The practice phone on file for Christopher Chang is (516) 562-0100.
Which hospitals is Christopher R. Chang affiliated with?
Christopher Chang practices at North Shore University Hospital in Manhasset, New York.
What medical group is Christopher R. Chang part of?
Christopher Chang is linked to Northwell Health Physician Partners Cardiology at Great Neck.
Does Christopher R. Chang accept Medicare?
Yes. CMS lists Christopher Chang as accepting Medicare assignment.
Has Christopher R. Chang received payments from drug or device companies?
CMS Open Payments shows $286 in general payments to Christopher Chang from 2 companies from 2025 to 2025. The largest total came from Madrigal Pharmaceuticals.
How long has Christopher R. Chang been practicing?
Christopher Chang graduated from medical school in 2023, 3 years ago.
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