Dr. Stephen Karel De Waal Malefyt, MD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 391 Myrtle Ave, Albany, NY 12208
- Practice phone
- Call (518) 262-5640
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vascular Surgery Clinic of Amch
Albany, New York
Find Dr. De Waal Malefyt'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. Stephen Karel De Waal Malefyt is a pediatrician in Albany, New York
Dr. De Waal Malefyt practices at Vascular Surgery Clinic of Amch in Albany, New York.
Dr. De Waal Malefyt's NPI, 1245493337, was assigned on July 8, 2008. Dr. De Waal Malefyt graduated from SUNY Upstate Medical University in 2005. Dr. De Waal Malefyt holds New York license 247241.
- NPI
- 1245493337NPI Registry (opens in a new tab)
- NPI enumeration date
- July 8, 2008
- NPI status
- Active
- Practice phone
- (518) 262-5640
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Stephen Karel De Waal Malefyt practices at Vascular Surgery Clinic of Amch in Albany, New York
Dr. De Waal Malefyt's primary practice is Vascular Surgery Clinic of Amch, at 391 Myrtle Ave, Albany, NY 12208 in Albany County. The practice phone is (518) 262-5640.
- Vascular Surgery Clinic of Amch391 Myrtle Ave, Albany, NY 12208 · Albany CountyPhone(518) 262-5640
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Karel De Waal Malefyt is affiliated with 2 sites of care and 1 medical group
Dr. De Waal Malefyt's primary practice is Vascular Surgery Clinic of Amch in Albany, New York. The medical group on file is Albany Med EmUrgentCare. Dmand AI also links Dr. De Waal Malefyt to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen Karel De Waal Malefyt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Waal Malefyt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vascular Surgery Clinic of Amch | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Karel De Waal Malefyt is one of 4,313 pediatricians in New York
Pediatrics is Dr. De Waal Malefyt's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. De Waal Malefyt is licensed in New York.
Specialties and state licenses
- Pediatrics, New YorkPrimary
Pediatricians near Dr. De Waal Malefyt
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. Stephen Karel De Waal Malefyt's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. De Waal Malefyt's median patient age at 8, with 41% women.
Dr. De Waal Malefyt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women41%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Stephen Karel De Waal Malefyt graduated from SUNY Upstate Medical University
Dr. De Waal Malefyt graduated from SUNY Upstate Medical University in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Karel De Waal Malefyt'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Stephen Karel De Waal Malefyt
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. Stephen Karel De Waal Malefyt's NPI number?
Dr. Stephen Karel De Waal Malefyt's NPI number is 1245493337. It was assigned on July 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Karel De Waal Malefyt?
Dr. Stephen Karel De Waal Malefyt is a pediatrician in Albany, New York. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Stephen Karel De Waal Malefyt practice?
Dr. De Waal Malefyt practices at 391 Myrtle Ave, Albany, NY 12208. Dr. De Waal Malefyt's primary practice is Vascular Surgery Clinic of Amch in Albany, New York. Dmand AI also links Dr. De Waal Malefyt to 1 group practice or clinic.
What is Dr. Stephen Karel De Waal Malefyt's office phone number?
The practice phone on file for Dr. De Waal Malefyt is (518) 262-5640.
What is Dr. Stephen Karel De Waal Malefyt's medical license number?
Dr. De Waal Malefyt holds New York license 247241.
What medical group is Dr. Stephen Karel De Waal Malefyt part of?
Dr. De Waal Malefyt is linked to Albany Med EmUrgentCare.
Where did Dr. Stephen Karel De Waal Malefyt go to medical school?
Dr. De Waal Malefyt graduated from SUNY Upstate Medical University in 2005.
How long has Dr. Stephen Karel De Waal Malefyt been practicing?
Dr. De Waal Malefyt graduated from medical school in 2005, 21 years ago.
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