Dr. Pen-Laing Chang, MD
- Hospital affiliations
- 1
- Industry payments
- $483
- Insurance carriers
- 2
- State licenses
- 4
- Year NPI issued
- 2005
- Practice address
- 999 San Bernardino Road, Upland, CA 91786
- Practice phone
- Call (909) 985-2811
- 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. Pen-Laing Chang is a neonatologist in Upland, California
Dr. Chang practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Dr. Chang's NPI, 1457358897, was assigned on June 30, 2005. Dr. Chang graduated from Taipei Medical University in 1979. Dr. Chang holds California license A44876.
- NPI
- 1457358897NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Practice phone
- (909) 985-2811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Pen-Laing Chang practices at San Antonio Regional Hospital in Upland, California
Dr. Chang's primary practice is San Antonio Regional Hospital, at 999 San Bernardino Road, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-2811.
- San Antonio Regional Hospital999 San Bernardino Road, Upland, CA 91786 · San Bernardino CountyPhone(909) 985-2811
Source: Dmand AI Affiliation Data
Dr. Pen-Laing Chang is affiliated with 1 site of care
Dr. Chang's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Pen-Laing 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 |
|---|---|
| San Antonio Regional 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 San Antonio Regional Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Pen-Laing Chang is one of 780 neonatologists in California
Neonatal-perinatal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Chang is board certified in neonatal-perinatal medicine by the American Board of Pediatrics. Dmand AI has Dr. Chang's licenses on file in 4 states: California, New Jersey, New York and Illinois.
Specialties and state licenses
- Neonatal-perinatal medicine, CaliforniaPrimary
- New Jersey license
- New York license
- Illinois license
Neonatologists near Dr. Chang
Counts of neonatologists 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. Pen-Laing Chang's patients have a median age of 26
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 26, with 78% 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 26
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Pen-Laing Chang received $483 in industry payments from 2017 to 2023
CMS Open Payments shows 5 general payments to Dr. Chang from 3 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $202.
General payments to Dr. Chang by program year, 2017 to 2023
Companies that paid Dr. Chang the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Pen-Laing Chang graduated from Taipei Medical University
Dr. Chang graduated from Taipei Medical University in 1979.
- Medical school
- Board certified in neonatal-perinatal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Pen-Laing Chang accepts plans from 2 insurance carriers
Dr. Chang is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Chang accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Pen-Laing 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 |
| 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. Pen-Laing 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. Pen-Laing Chang's NPI number?
Dr. Pen-Laing Chang's NPI number is 1457358897. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Pen-Laing Chang?
Dr. Pen-Laing Chang is a neonatologist in Upland, California. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. Pen-Laing Chang practice?
Dr. Chang practices at 999 San Bernardino Road, Upland, CA 91786. Dr. Chang's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
What is Dr. Pen-Laing Chang's office phone number?
The practice phone on file for Dr. Chang is (909) 985-2811.
What is Dr. Pen-Laing Chang's medical license number?
Dr. Chang holds California license A44876, one of the licenses on file in 4 states.
Which states has Dr. Pen-Laing Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (1988 to 2027), New Jersey (1990 to 2007), New York (1987 to 1992) and Illinois (1987 to 1990).
Which hospitals is Dr. Pen-Laing Chang affiliated with?
Dr. Chang practices at San Antonio Regional Hospital in Upland, California.
Is Dr. Pen-Laing Chang board certified?
Yes. Dr. Chang is board certified in neonatal-perinatal medicine by the American Board of Pediatrics.
Where did Dr. Pen-Laing Chang go to medical school?
Dr. Chang graduated from Taipei Medical University in 1979.
Has Dr. Pen-Laing Chang received payments from drug or device companies?
CMS Open Payments shows $483 in general payments to Dr. Chang from 3 companies from 2017 to 2023. The largest total came from Abbott Laboratories.
How long has Dr. Pen-Laing Chang been practicing?
Dr. Chang graduated from medical school in 1979, 47 years ago.
What insurance does Dr. Pen-Laing Chang accept?
Dr. Chang is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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