Dr. Robert Achille De Stefano, MD
- Medicare services, 2019
- 1,220
- Part D claims, 2019
- 119
- Industry payments
- $1,982
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 23501 Park Sorrento, Calabasas, CA 91302-1308
- Practice phone
- Call (818) 222-7495
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Robert A. De Stefano
Dermatology practice · Calabasas, California
Find Dr. De Stefano'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. Robert Achille De Stefano is a dermatologist in Calabasas, California
Dr. De Stefano practices at Robert A. De Stefano in Calabasas, California.
Dr. De Stefano's NPI, 1700879327, was assigned on August 30, 2005. Dr. De Stefano holds California license A21674.
- NPI
- 1700879327NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2005
- NPI status
- Active
- Practice phone
- (818) 222-7495
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Achille De Stefano practices at Robert A. De Stefano in Calabasas, California
Dr. De Stefano's primary practice is Robert A. De Stefano, at 23501 Park Sorrento, Calabasas, CA 91302-1308. The practice phone is (818) 222-7495.
- Robert A. De Stefano23501 Park Sorrento, Calabasas, CA 91302-1308Phone(818) 222-7495
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Achille De Stefano is affiliated with 1 site of care and 1 medical group
Dr. De Stefano's primary practice is Robert A. De Stefano in Calabasas, California. Dmand AI also links Dr. De Stefano 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. Robert Achille De Stefano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Stefano practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert A. De Stefano | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Achille De Stefano is one of 1,910 dermatologists in California
Dermatology is Dr. De Stefano's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. De Stefano is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. De Stefano
Counts of dermatologists 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. Robert Achille De Stefano billed Medicare for 1,220 services in 2019
CMS data shows 1,220 Medicare services from Dr. De Stefano across 10 procedure codes in 2019. Medicare paid $59,163 for them. Every service was in an office.
Dr. De Stefano's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Surgery
- 2018: 1,4812019: 92438%
- Office and hospital visits
- 2018: 4102019: 19353%
- Lab and pathology
- 2018: 1862019: 10345%
- Drugs given in the office
- 2018: 352019: 0100%
- Tests and treatments
- 2018: 352019: 0100%
Dr. De Stefano compared with the California median for dermatologists, 2019
- Dr. De Stefano
- California median
- Medicare services
- 1,220vs 1,75030% below
- Part D claims
- 119vs 36768% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. De Stefano's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. De Stefano?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. De Stefano and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Achille De Stefano's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. De Stefano's median patient age at 84, with 55% women.
Dr. De Stefano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Robert Achille De Stefano wrote 119 Medicare Part D claims in 2019
In 2019, Dr. De Stefano wrote 119 Medicare Part D claims. They cover 5 drugs, with $2,395 in total drug cost. In 2018, CMS named 216 claims across 7 drugs.
Dr. De Stefano's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2162019: 11945%
Drugs named by CMS: 5 in 2019, 7 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Achille De Stefano received $1,982 in industry payments from 2016 to 2019
CMS Open Payments shows 74 general payments to Dr. De Stefano from 19 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $476.
General payments to Dr. De Stefano by program year, 2016 to 2019
Companies that paid Dr. De Stefano the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Achille De Stefano'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Dr. Robert Achille De Stefano
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. Robert Achille De Stefano's NPI number?
Dr. Robert Achille De Stefano's NPI number is 1700879327. It was assigned on August 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Achille De Stefano?
Dr. Robert Achille De Stefano is a dermatologist in Calabasas, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Robert Achille De Stefano practice?
Dr. De Stefano practices at 23501 Park Sorrento, Calabasas, CA 91302-1308. Dr. De Stefano's primary practice is Robert A. De Stefano in Calabasas, California. Dmand AI also links Dr. De Stefano to 1 medical group.
What is Dr. Robert Achille De Stefano's office phone number?
The practice phone on file for Dr. De Stefano is (818) 222-7495.
What is Dr. Robert Achille De Stefano's medical license number?
Dr. De Stefano holds California license A21674.
Does Dr. Robert Achille De Stefano accept Medicare?
Yes. CMS data shows Dr. De Stefano billed Medicare for 1,220 services in 2019.
What services does Dr. Robert Achille De Stefano bill to Medicare?
In 2019, Dr. De Stefano's most billed Medicare services were surgery: skin and soft tissue (17003), surgery: skin and soft tissue (17000) and surgery: skin and soft tissue (17110).
What drugs does Dr. Robert Achille De Stefano prescribe most?
In 2019 Medicare Part D data, Dr. De Stefano's most prescribed drugs by claims were Imiquimod, Triamcinolone Acetonide and Spironolactone.
Has Dr. Robert Achille De Stefano received payments from drug or device companies?
CMS Open Payments shows $1,982 in general payments to Dr. De Stefano from 19 companies from 2016 to 2019. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Robert Achille De Stefano been practicing?
Dr. De Stefano's NPI was assigned in 2005.
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