Dr. Stephen Ludwig, MD
- Part D claims, 2017
- 590
- Industry payments
- $336
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 3550 Market St Fl 2 Children'S Hospital Of Philadelphia - Dermatology Div Fl 2, Philadelphia, PA 19104
- Practice phone
- Call (215) 590-9119
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chca Chop Campus
Multi-specialty group site · Philadelphia, Pennsylvania
Find Dr. Ludwig'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 Ludwig is a pediatrician in Baltimore, Maryland
Dr. Ludwig practices at Chca Chop Campus in Philadelphia, Pennsylvania.
Dr. Ludwig's NPI, 1932123114, was assigned on July 27, 2006. Dr. Ludwig holds Pennsylvania license MD015203E.
- NPI
- 1932123114NPI Registry (opens in a new tab)
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Practice phone
- (215) 590-9119
- 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. Stephen Ludwig practices in Philadelphia and Baltimore
Dr. Ludwig's primary practice is Chca Chop Campus, at 3550 Market St Fl 2 Children'S Hospital Of Philadelphia - Dermatology Div Fl 2, Philadelphia, PA 19104. The practice phone is (215) 590-9119. The NPI Registry lists Dr. Ludwig's practice address as 22 S Greene St, Baltimore, MD 21201.
- Chca Chop CampusPrimary3550 Market St Fl 2 Children'S Hospital Of Philadelphia - Dermatology Div Fl 2, Philadelphia, PA 19104Phone(215) 590-9119
- NPI Registry address22 S Greene St, Baltimore, MD 21201 · Baltimore CityPhone(215) 590-2178
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Stephen Ludwig is affiliated with 1 site of care and 1 medical group
Dr. Ludwig's primary practice is Chca Chop Campus in Philadelphia, Pennsylvania. The medical group on file is CHCA Allergy & Immunology.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Stephen Ludwig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ludwig practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chca Chop Campus | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Ludwig is one of 1,376 pediatricians in Maryland
Pediatrics is Dr. Ludwig's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Ludwig is licensed in Pennsylvania.
Specialties and state licenses
- Pediatrics, PennsylvaniaPrimary
Pediatricians near Dr. Ludwig
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 Ludwig's patients have a median age of 17
Across all payers, Dmand AI patient panel data puts Dr. Ludwig's median patient age at 17, with 100% women.
Dr. Ludwig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 17
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Stephen Ludwig wrote 590 Medicare Part D claims in 2017
In 2017, Dr. Ludwig wrote 590 Medicare Part D claims. They cover 24 drugs, with $32,007 in total drug cost. In 2016, CMS named 420 claims across 12 drugs.
Dr. Ludwig's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 4202017: 59040%
Drugs named by CMS: 24 in 2017, 12 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Stephen Ludwig received $336 in industry payments from 2016 to 2023
CMS Open Payments shows 5 general payments to Dr. Ludwig from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Nuvasive, Inc. paid the most, $256.
General payments to Dr. Ludwig by program year, 2016 to 2023
Companies that paid Dr. Ludwig the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen Ludwig'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 |
| 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. Stephen Ludwig
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 Ludwig's NPI number?
Dr. Stephen Ludwig's NPI number is 1932123114. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Ludwig?
Dr. Stephen Ludwig is a pediatrician in Baltimore, Maryland. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Stephen Ludwig practice?
Dr. Ludwig practices at 3550 Market St Fl 2 Children'S Hospital Of Philadelphia - Dermatology Div Fl 2, Philadelphia, PA 19104. Dr. Ludwig also practices at 22 S Greene St, Baltimore, MD 21201. Dr. Ludwig's primary practice is Chca Chop Campus in Philadelphia, Pennsylvania.
What is Dr. Stephen Ludwig's office phone number?
The practice phone on file for Dr. Ludwig is (215) 590-9119.
What is Dr. Stephen Ludwig's medical license number?
Dr. Ludwig holds Pennsylvania license MD015203E.
What medical group is Dr. Stephen Ludwig part of?
Dr. Ludwig is linked to CHCA Allergy & Immunology.
What drugs does Dr. Stephen Ludwig prescribe most?
In 2017 Medicare Part D data, Dr. Ludwig's most prescribed drugs by claims were Warfarin Sodium, Quetiapine Fumarate and Oseltamivir Phosphate.
Has Dr. Stephen Ludwig received payments from drug or device companies?
CMS Open Payments shows $336 in general payments to Dr. Ludwig from 2 companies from 2016 to 2023. The largest total came from Nuvasive, Inc.
How long has Dr. Stephen Ludwig been practicing?
Dr. Ludwig's NPI was assigned in 2006.
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