Jessica L. Horwitz
- Medicare patients, 2024
- 48
- Part D claims, 2024
- 2,068
- Hospital affiliations
- 1
- Industry payments
- $9,127
- Medical group
- 1
- Practice address
- 1460 N Halsted St, Chicago, IL 60642
- Practice phone
- Call (773) 388-6390
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diamond Headache Clinic Ltd
Chicago, Illinois
Find Jessica Horwitz'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.
Jessica L. Horwitz is a family nurse practitioner in Chicago, Illinois
Jessica Horwitz practices at Diamond Headache Clinic Ltd in Chicago, Illinois.
Jessica Horwitz's NPI, 1649758426, was assigned on August 2, 2018. Jessica Horwitz holds Illinois license 209017850.
- NPI
- 1649758426NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547502056
- NPI enumeration date
- August 2, 2018
- NPI status
- Active
- Practice phone
- (773) 388-6390
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Jessica L. Horwitz practices at Diamond Headache Clinic Ltd in Chicago, Illinois
Jessica Horwitz's primary practice is Diamond Headache Clinic Ltd, at 1460 N Halsted St, Chicago, IL 60642 in Cook County. The practice phone is (773) 388-6390.
- Diamond Headache Clinic Ltd1460 N Halsted St, Chicago, IL 60642 · Cook CountyPhone(773) 388-6390
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jessica L. Horwitz is affiliated with 3 sites of care and 1 medical group
Jessica Horwitz's primary practice is Diamond Headache Clinic Ltd in Chicago, Illinois. Jessica Horwitz is also affiliated with Ascension Saint Joseph - Chicago. The medical group on file is Synergy Integrative Headache Center. Dmand AI also links Jessica Horwitz 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 Jessica L. Horwitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jessica Horwitz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diamond Headache Clinic Ltd | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Jessica L. Horwitz is one of 7,275 family nurse practitioners in Illinois
Family is Jessica Horwitz's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Jessica Horwitz is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Jessica Horwitz
Counts of family nurse practitioners 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
Jessica L. Horwitz treated 48 Medicare patients in 2024, average age 65
CMS counts 48 Medicare patients who saw Jessica Horwitz in 2024. The largest group is 65 to 74, with 22 patients. 63% of them have arthritis, and 63% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jessica Horwitz's median patient age at 41, with 72% women.
Jessica Horwitz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jessica Horwitz's Medicare patients by sex, 2024
- Women3573%
- Men1327%
Chronic conditions among Jessica Horwitz's Medicare patients, 2024
- Arthritis63%
- High blood pressure63%
- High cholesterol60%
- Mood disorders52%
- Anxiety50%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Jessica Horwitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women72%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jessica L. Horwitz wrote 2,068 Medicare Part D claims in 2024
In 2024, Jessica Horwitz wrote 2,068 Medicare Part D claims for 223 patients. 83% of them were for generic drugs.
Jessica Horwitz's Part D claims by kind of drug, 2024
- Generic1,720 claims83%
- Brand-name348 claims17%
Drug classes CMS tracks in Jessica Horwitz's Part D claims, 2024
- Opioids1%29 of 2,068 claims
- Antipsychotics, patients 65 and over1%13 of 2,068 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
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Jessica L. Horwitz received $9,127 in industry payments in 2025
CMS Open Payments shows 57 general payments to Jessica Horwitz from 9 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 55% of the total. Abbvie Inc. paid the most, $7,333.
General payments to Jessica Horwitz by kind, 2025 to 2025
- Speaker and faculty fees$5,02555%
- Consulting fees$2,95032%
- Food and beverage$1,11712%
- Travel and lodging$350%
Companies that paid Jessica Horwitz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jessica L. Horwitz'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 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) |
| 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 Jessica L. Horwitz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jessica L. Horwitz's NPI number?
Jessica L. Horwitz's NPI number is 1649758426. It was assigned on August 2, 2018, and it is active in the NPI Registry.
What does Jessica L. Horwitz specialize in?
Jessica L. Horwitz is a family nurse practitioner in Chicago, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Jessica L. Horwitz practice?
Jessica Horwitz practices at 1460 N Halsted St, Chicago, IL 60642. Jessica Horwitz's primary practice is Diamond Headache Clinic Ltd in Chicago, Illinois. Dmand AI also links Jessica Horwitz to 1 group practice or clinic.
What is Jessica L. Horwitz's office phone number?
The practice phone on file for Jessica Horwitz is (773) 388-6390.
What is Jessica L. Horwitz's medical license number?
Jessica Horwitz holds Illinois license 209017850.
Which hospitals is Jessica L. Horwitz affiliated with?
Jessica Horwitz is affiliated with Ascension Saint Joseph - Chicago.
What medical group is Jessica L. Horwitz part of?
Jessica Horwitz is linked to Synergy Integrative Headache Center.
How many Medicare patients does Jessica L. Horwitz see?
CMS counts 48 Medicare patients who saw Jessica Horwitz in 2024, with an average age of 65.
Has Jessica L. Horwitz received payments from drug or device companies?
CMS Open Payments shows $9,127 in general payments to Jessica Horwitz from 9 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Jessica L. Horwitz been practicing?
Jessica Horwitz graduated from medical school in 2018, 8 years ago.
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