Robert S. Chang, PhD
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 1,129
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 5501 Herrera Dr, Santa Fe, NM 87507
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Christus St. Vincent Entrada Contenta Health Center
Santa Fe, New Mexico
Find Robert 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.
Robert S. Chang is a prescribing (medical) psychologist in Santa Fe, New Mexico
Robert Chang practices at Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico.
Robert Chang's NPI, 1144351586, was assigned on March 8, 2007. Robert Chang holds New Mexico license 0037.
- NPI
- 1144351586NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991768145
- NPI enumeration date
- March 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert S. Chang practices at Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico
Robert Chang's primary practice is Christus St. Vincent Entrada Contenta Health Center, at 5501 Herrera Dr, Santa Fe, NM 87507 in Santa Fe County.
- Christus St. Vincent Entrada Contenta Health Center5501 Herrera Dr, Santa Fe, NM 87507 · Santa Fe County
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert S. Chang is affiliated with 2 sites of care and 2 medical groups
Robert Chang's primary practice is Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico. Robert Chang is also affiliated with CHRISTUS St. Vincent Regional Medical Center. The medical group on file is CHRISTUS St. Vincent Pediatrics. Dmand AI also links Robert Chang to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Robert S. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Christus St. Vincent Entrada Contenta Health Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert S. Chang is one of 27 prescribing (medical) psychologists in New Mexico
Prescribing (medical) is Robert Chang's primary specialty in the NPI Registry, under taxonomy code 103TP0016X. Robert Chang is licensed in New Mexico.
Specialties and state licenses
- Prescribing (medical) psychologist, New MexicoPrimary
Prescribing (medical) psychologists near Robert Chang
Counts of prescribing (medical) psychologists 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
Robert S. Chang treated 49 Medicare patients in 2024, average age 70
CMS counts 49 Medicare patients who saw Robert Chang in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have anxiety, and 75% have depression. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Chang's median patient age at 39, with 63% women.
Robert Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Chang's Medicare patients by sex, 2024
- Women3469%
- Men1531%
Chronic conditions among Robert Chang's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- High cholesterol69%
- High blood pressure53%
- Arthritis45%
- Personality disorders43%
- PTSD35%
Share of Medicare patients with each condition. A patient can have several.
Robert 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 39
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert S. Chang wrote 1,129 Medicare Part D claims in 2024
In 2024, Robert Chang wrote 1,129 Medicare Part D claims for 111 patients. 98% of them were for generic drugs.
Robert Chang's Part D claims by kind of drug, 2024
- Generic1,105 claims98%
- Brand-name24 claims2%
Drug classes CMS tracks in Robert Chang's Part D claims, 2024
- Antipsychotics, patients 65 and over5%60 of 1,129 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Robert S. Chang offers telehealth to Medicare patients
Robert Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Robert Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Robert S. 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 DataDmand AI Org Hierarchy Data |
| 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 (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) |
| 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 Robert S. 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 Robert S. Chang's NPI number?
Robert S. Chang's NPI number is 1144351586. It was assigned on March 8, 2007, and it is active in the NPI Registry.
What does Robert S. Chang specialize in?
Robert S. Chang is a prescribing (medical) psychologist in Santa Fe, New Mexico. The primary specialty in the NPI Registry is Prescribing (Medical) Psychologist (taxonomy code 103TP0016X).
Where does Robert S. Chang practice?
Robert Chang practices at 5501 Herrera Dr, Santa Fe, NM 87507. Robert Chang's primary practice is Christus St. Vincent Entrada Contenta Health Center in Santa Fe, New Mexico. Dmand AI also links Robert Chang to 1 medical group.
What is Robert S. Chang's medical license number?
Robert Chang holds New Mexico license 0037.
Which hospitals is Robert S. Chang affiliated with?
Robert Chang is affiliated with CHRISTUS St. Vincent Regional Medical Center.
What medical group is Robert S. Chang part of?
Robert Chang is linked to CHRISTUS St. Vincent Pediatrics. Dmand AI links Robert Chang to 1 more medical group.
Does Robert S. Chang accept Medicare?
Yes. CMS lists Robert Chang as accepting Medicare assignment.
Does Robert S. Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Robert Chang as offering telehealth services.
How many Medicare patients does Robert S. Chang see?
CMS counts 49 Medicare patients who saw Robert Chang in 2024, with an average age of 70.
How long has Robert S. Chang been practicing?
Robert Chang graduated from medical school in 2003, 23 years ago.
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