Dr. Ruby Chang, MD
- Industry payments
- $20
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 100 Maple Ave Ste 1 Suite 1, Great Barrington, MA 01230-1965
- Practice phone
- Call (413) 528-4047
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Macony
Pediatric practice · Great Barrington, Massachusetts
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. Ruby Chang is a pediatrician in Great Barrington, Massachusetts
Dr. Chang practices at Macony in Great Barrington, Massachusetts.
Dr. Chang's NPI, 1043279094, was assigned on March 20, 2006. Dr. Chang graduated from National Taiwan University College of Medicine in 1982. Dr. Chang holds Massachusetts license 51560.
- NPI
- 1043279094NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2006
- NPI status
- Active
- Practice phone
- (413) 528-4047
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ruby Chang practices at 2 locations in Great Barrington, Massachusetts
Dr. Chang's primary practice is Macony, at 100 Maple Ave Ste 1 Suite 1, Great Barrington, MA 01230-1965. The practice phone is (413) 528-4047. The NPI Registry lists Dr. Chang's practice address as 29 Lewis Ave, Great Barrington, MA 01230.
- MaconyPrimary100 Maple Ave Ste 1 Suite 1, Great Barrington, MA 01230-1965Phone(413) 528-4047
- NPI Registry address29 Lewis Ave, Great Barrington, MA 01230 · Berkshire CountyPhone(413) 528-4047
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ruby Chang is affiliated with 1 site of care and 1 medical group
Dr. Chang's primary practice is Macony in Great Barrington, Massachusetts. Dmand AI also links Dr. Chang to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ruby Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Macony | Available with a free account |
| +1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ruby Chang is one of 2,101 pediatricians in Massachusetts
Pediatrics is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Chang is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near Dr. Chang
Counts of pediatricians 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. Ruby Chang's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 20, with 50% women.
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 20
Patient panel by sex, all payers
- Women50%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Ruby Chang received $20 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $20.
Companies that paid Dr. Chang the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ruby Chang graduated from National Taiwan University College of Medicine
Dr. Chang graduated from National Taiwan University College of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ruby 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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Ruby 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. Ruby Chang's NPI number?
Dr. Ruby Chang's NPI number is 1043279094. It was assigned on March 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruby Chang?
Dr. Ruby Chang is a pediatrician in Great Barrington, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Ruby Chang practice?
Dr. Chang practices at 100 Maple Ave Ste 1 Suite 1, Great Barrington, MA 01230-1965. Dr. Chang also practices at 29 Lewis Ave, Great Barrington, MA 01230. Dr. Chang's primary practice is Macony in Great Barrington, Massachusetts. Dmand AI also links Dr. Chang to 1 medical group, and a free account names each one.
What is Dr. Ruby Chang's office phone number?
The practice phone on file for Dr. Chang is (413) 528-4047. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Ruby Chang's email address?
Dmand AI checks professional and personal email addresses for Dr. Chang through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Ruby Chang's medical license number?
Dr. Chang holds Massachusetts license 51560.
What medical group is Dr. Ruby Chang part of?
Dmand AI links Dr. Chang to 1 medical group. A free account names the group, with the clinicians and leaders there.
Where did Dr. Ruby Chang go to medical school?
Dr. Chang graduated from National Taiwan University College of Medicine in 1982.
Has Dr. Ruby Chang received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Chang from 1 company from 2022 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Ruby Chang been practicing?
Dr. Chang graduated from medical school in 1982, 44 years ago.
What EHR does Dr. Ruby Chang's practice use?
Dmand AI tracks the EHR system at Macony and at 1 medical group. The vendor and product are available with a free Dmand AI account.
Selling to pediatrics practices?
See pediatricians in Massachusetts 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