Deborah Judith Horwitz, PA-C
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 105
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Industry payments
- $1,641
- Practice address
- 5215 Loughboro NW Rd, Washington, DC 20016
- Practice phone
- Call (410) 558-5238
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jhu -Medicine/Gastroenterology
Washington, District of Columbia
Find Deborah 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.
Deborah Judith Horwitz is a physician assistant in Washington, District of Columbia
Deborah Horwitz practices at Jhu -Medicine/Gastroenterology in Washington, District of Columbia.
Deborah Horwitz's NPI, 1518239607, was assigned on February 3, 2012. Deborah Horwitz holds Maryland license C02358.
- NPI
- 1518239607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315107778
- NPI enumeration date
- February 3, 2012
- NPI status
- Active
- Practice phone
- (410) 558-5238
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Deborah Judith Horwitz practices at Jhu -Medicine/Gastroenterology in Washington, District of Columbia
Deborah Horwitz's primary practice is Jhu -Medicine/Gastroenterology, at 5215 Loughboro NW Rd, Washington, DC 20016 in District Of Columbia County. The practice phone is (410) 558-5238.
- Jhu -Medicine/Gastroenterology5215 Loughboro NW Rd, Washington, DC 20016 · District Of Columbia CountyPhone(410) 558-5238
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Deborah Judith Horwitz is affiliated with 3 sites of care and 3 medical groups
Deborah Horwitz's primary practice is Jhu -Medicine/Gastroenterology in Washington, District of Columbia. Deborah Horwitz is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Deborah Horwitz to 2 more medical groups and 1 group practice or clinic, each 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 Deborah Judith Horwitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Deborah Horwitz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jhu -Medicine/Gastroenterology | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Deborah Judith Horwitz is one of 380 physician assistants in District of Columbia
Physician assistant is Deborah Horwitz's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Deborah Horwitz's licenses on file in 2 states: Maryland and Texas.
Specialties and state licenses
- Physician assistant, MarylandPrimary
- Texas license
Physician assistants near Deborah Horwitz
Counts of physician assistants 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
Deborah Judith Horwitz treated 136 Medicare patients in 2024, average age 77
CMS counts 136 Medicare patients who saw Deborah Horwitz in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Deborah Horwitz's median patient age at 55, with 53% women.
Deborah Horwitz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Deborah Horwitz's Medicare patients by sex, 2024
- Women7857%
- Men5843%
Chronic conditions among Deborah Horwitz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis54%
- Cancer27%
- Mood disorders25%
- Ischemic heart disease24%
- Osteoporosis22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Deborah 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 55
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Deborah Judith Horwitz wrote 105 Medicare Part D claims in 2024
In 2024, Deborah Horwitz wrote 105 Medicare Part D claims for 51 patients. 96% of them were for generic drugs.
Deborah Horwitz's Part D claims by kind of drug, 2024
- Generic101 claims96%
- Brand-name and other4 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Deborah Judith Horwitz scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Deborah Horwitz for performance year 2024, reported as part of a group.
Deborah Horwitz's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Deborah Judith Horwitz received $1,641 in industry payments in 2025
CMS Open Payments shows 23 general payments to Deborah Horwitz from 10 drug and device companies in 2025. Food and beverage make up the largest share, 61% of the total. LEO Pharma Inc. paid the most, $1,042.
General payments to Deborah Horwitz by kind, 2025 to 2025
- Food and beverage$1,00161%
- Consulting fees$63839%
- Travel and lodging$30%
Companies that paid Deborah 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 Deborah Judith 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Deborah Judith 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 Deborah Judith Horwitz's NPI number?
Deborah Judith Horwitz's NPI number is 1518239607. It was assigned on February 3, 2012, and it is active in the NPI Registry.
What does Deborah Judith Horwitz specialize in?
Deborah Judith Horwitz is a physician assistant in Washington, District of Columbia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Deborah Judith Horwitz practice?
Deborah Horwitz practices at 5215 Loughboro NW Rd, Washington, DC 20016. Deborah Horwitz's primary practice is Jhu -Medicine/Gastroenterology in Washington, District of Columbia. Dmand AI also links Deborah Horwitz to 2 medical groups and 1 group practice or clinic.
What is Deborah Judith Horwitz's office phone number?
The practice phone on file for Deborah Horwitz is (410) 558-5238.
What is Deborah Judith Horwitz's medical license number?
Deborah Horwitz holds Maryland license C02358, one of the licenses on file in 2 states.
Which states has Deborah Judith Horwitz been licensed in?
Dmand AI has state licenses on file for Deborah Horwitz in Maryland and Texas.
Which hospitals is Deborah Judith Horwitz affiliated with?
Deborah Horwitz is affiliated with The Johns Hopkins Hospital.
What medical group is Deborah Judith Horwitz part of?
Deborah Horwitz is linked to Johns Hopkins University. Dmand AI links Deborah Horwitz to 2 more medical groups.
What is Deborah Judith Horwitz's MIPS score?
Deborah Horwitz's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Deborah Judith Horwitz see?
CMS counts 136 Medicare patients who saw Deborah Horwitz in 2024, with an average age of 77.
Has Deborah Judith Horwitz received payments from drug or device companies?
CMS Open Payments shows $1,641 in general payments to Deborah Horwitz from 10 companies from 2025 to 2025. The largest total came from LEO Pharma Inc.
How long has Deborah Judith Horwitz been practicing?
Deborah Horwitz graduated from medical school in 2010, 16 years ago.
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