Dr. Jessica Langman Tomaszewski, MD
- Industry payments
- $75
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 1600 Rockland Rd, Wilmington, DE 19803
- Practice phone
- Call (302) 651-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nemours Children's Hospital - Delaware
Wilmington, Delaware
Find Dr. Tomaszewski'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. Jessica Langman Tomaszewski is a hospitalist in Wilmington, Delaware
Dr. Tomaszewski practices at Nemours Children's Hospital - Delaware in Wilmington, Delaware.
Dr. Tomaszewski's NPI, 1366615924, was assigned on April 3, 2008. Dr. Tomaszewski graduated from Pennsylvania State University College of Medicine in 2008. Dr. Tomaszewski holds Pennsylvania license MD442712.
- NPI
- 1366615924NPI Registry (opens in a new tab)
- NPI enumeration date
- April 3, 2008
- NPI status
- Active
- Practice phone
- (302) 651-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Jessica Langman Tomaszewski practices at Nemours Children's Hospital - Delaware in Wilmington, Delaware
Dr. Tomaszewski's primary practice is Nemours Children's Hospital - Delaware, at 1600 Rockland Rd, Wilmington, DE 19803 in New Castle County. The practice phone is (302) 651-4000.
- Nemours Children's Hospital - Delaware1600 Rockland Rd, Wilmington, DE 19803 · New Castle CountyPhone(302) 651-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jessica Langman Tomaszewski is affiliated with 2 sites of care and 1 medical group
Dr. Tomaszewski's primary practice is Nemours Children's Hospital - Delaware in Wilmington, Delaware. The medical group on file is Nemours Children's Hospital, Delaware. Dmand AI also links Dr. Tomaszewski 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. Jessica Langman Tomaszewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomaszewski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nemours Children's Hospital - Delaware | 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. Jessica Langman Tomaszewski is one of 72 hospitalists in Delaware
Hospitalist is Dr. Tomaszewski's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Tomaszewski is licensed in Pennsylvania.
Specialties and state licenses
- Hospitalist, PennsylvaniaPrimary
Hospitalists near Dr. Tomaszewski
Counts of hospitalists 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. Jessica Langman Tomaszewski's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Tomaszewski's median patient age at 8, with 49% women.
Dr. Tomaszewski'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
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Jessica Langman Tomaszewski received $75 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Tomaszewski from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Rhythm Pharmaceuticals, Inc. paid the most, $75.
Companies that paid Dr. Tomaszewski the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jessica Langman Tomaszewski graduated from Pennsylvania State University College of Medicine
Dr. Tomaszewski graduated from Pennsylvania State University College of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jessica Langman Tomaszewski'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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jessica Langman Tomaszewski
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. Jessica Langman Tomaszewski's NPI number?
Dr. Jessica Langman Tomaszewski's NPI number is 1366615924. It was assigned on April 3, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jessica Langman Tomaszewski?
Dr. Jessica Langman Tomaszewski is a hospitalist in Wilmington, Delaware. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Jessica Langman Tomaszewski practice?
Dr. Tomaszewski practices at 1600 Rockland Rd, Wilmington, DE 19803. Dr. Tomaszewski's primary practice is Nemours Children's Hospital - Delaware in Wilmington, Delaware. Dmand AI also links Dr. Tomaszewski to 1 group practice or clinic.
What is Dr. Jessica Langman Tomaszewski's office phone number?
The practice phone on file for Dr. Tomaszewski is (302) 651-4000.
What is Dr. Jessica Langman Tomaszewski's medical license number?
Dr. Tomaszewski holds Pennsylvania license MD442712.
What medical group is Dr. Jessica Langman Tomaszewski part of?
Dr. Tomaszewski is linked to Nemours Children's Hospital, Delaware.
Where did Dr. Jessica Langman Tomaszewski go to medical school?
Dr. Tomaszewski graduated from Pennsylvania State University College of Medicine in 2008.
Has Dr. Jessica Langman Tomaszewski received payments from drug or device companies?
CMS Open Payments shows $75 in general payments to Dr. Tomaszewski from 1 company from 2025 to 2025. The largest total came from Rhythm Pharmaceuticals, Inc.
How long has Dr. Jessica Langman Tomaszewski been practicing?
Dr. Tomaszewski graduated from medical school in 2008, 18 years ago.
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