Dr. Deborah Tanya Zarek, MD
- Medicare services, 2024
- 3,278
- Medicare patients, 2024
- 623
- Part D claims, 2024
- 7,007
- Hospital affiliations
- 5
- Industry payments
- $3,945
- Practice address
- 3411 Silverside Rd, Wilmington, DE 19810
- Practice phone
- Call (302) 543-5454
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Progressive Health of Delaware
Wilmington, Delaware
Find Dr. Zarek's professional email, personal email and mobile number
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Dr. Deborah Tanya Zarek is an internist in Wilmington, Delaware
Dr. Zarek practices at Progressive Health of Delaware in Wilmington, Delaware.
Dr. Zarek's NPI, 1619930708, was assigned on April 10, 2006. Dr. Zarek graduated from George Washington University School of Medicine in 2000. Dr. Zarek holds Delaware license C10006537.
- NPI
- 1619930708NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163564667
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (302) 543-5454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Deborah Tanya Zarek practices at Progressive Health of Delaware in Wilmington, Delaware
Dr. Zarek's primary practice is Progressive Health of Delaware, at 3411 Silverside Rd, Wilmington, DE 19810 in New Castle County. The practice phone is (302) 543-5454.
- Progressive Health of Delaware3411 Silverside Rd, Wilmington, DE 19810 · New Castle CountyPhone(302) 543-5454
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Deborah Tanya Zarek is affiliated with 10 sites of care and 1 medical group
Dr. Zarek's primary practice is Progressive Health of Delaware in Wilmington, Delaware. Dr. Zarek is also affiliated with Saint Francis Hospital. The medical group on file is Progressive Health of Delaware. Dmand AI also links Dr. Zarek to 4 more hospitals, 2 home health agencies, 1 group practice or clinic and 1 skilled nursing facility, 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 Dr. Deborah Tanya Zarek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zarek practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Progressive Health of Delaware | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deborah Tanya Zarek is one of 615 internists in Delaware
Internal medicine is Dr. Zarek's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zarek is licensed in Delaware.
Specialties and state licenses
- Internal medicine, DelawarePrimary
Internists near Dr. Zarek
Counts of internists 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. Deborah Tanya Zarek billed Medicare for 3,278 services in 2024
CMS data shows 3,278 Medicare services from Dr. Zarek across 17 procedure codes in 2024, for 623 Medicare patients. Medicare paid $187,694 for them. Every service was in an office.
Dr. Zarek's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 9542024: 1,24831%
- Office and hospital visits
- 2023: 1,8122024: 1,07041%
- Tests and treatments
- 2023: 7172024: 90326%
- Lab and pathology
- 2023: 252024: 3748%
- Surgery
- 2023: 402024: 2050%
Dr. Zarek compared with the Delaware median for internists, 2024
- Dr. Zarek
- Delaware median
- Medicare services
- 3,278vs 6864.8 times
- Medicare patients
- 623vs 2872.2 times
- Part D claims
- 6,254vs 12450.4 times
Medians across 565 internists in Delaware with Dmand AI profiles that report each measure.
Dr. Zarek's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zarek and other internists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deborah Tanya Zarek treated 623 Medicare patients in 2024, average age 75
CMS counts 623 Medicare patients who saw Dr. Zarek in 2024. The largest group is 65 to 74, with 266 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zarek's median patient age at 68, with 69% women.
Dr. Zarek's Medicare patients by age, 2024
Dr. Zarek's Medicare patients by sex, 2024
- Women43770%
- Men18630%
Chronic conditions among Dr. Zarek's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis43%
- Mood disorders35%
- Chronic kidney disease34%
- Anxiety32%
- Depression32%
- Osteoporosis30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zarek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Deborah Tanya Zarek wrote 7,007 Medicare Part D claims in 2024
In 2024, Dr. Zarek wrote 7,007 Medicare Part D claims for 837 patients. 83% of them were for generic drugs. CMS names the drug for 6,254 of them, across 118 drugs with 11 or more claims each, at $785,711 in total drug cost. In 2023, CMS named 5,619 claims across 119 drugs.
Dr. Zarek's Part D claims by kind of drug, 2024
- Generic5,829 claims83%
- Brand-name1,151 claims16%
- Other27 claims0%
Dr. Zarek's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Zarek's Part D claims, 2024
- Opioids2%153 of 7,007 claims
- Antibiotics2%130 of 7,007 claims
- Antipsychotics, patients 65 and over1%43 of 7,007 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,6192024: 6,25411%
Drugs named by CMS: 118 in 2024, 119 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Deborah Tanya Zarek offers telehealth to Medicare patients
Dr. Zarek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zarek as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Deborah Tanya Zarek received $3,945 in industry payments from 2016 to 2025
CMS Open Payments shows 227 general payments to Dr. Zarek from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $596.
General payments to Dr. Zarek by program year, 2016 to 2025
Companies that paid Dr. Zarek the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Deborah Tanya Zarek graduated from George Washington University School of Medicine
Dr. Zarek graduated from George Washington University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Deborah Tanya Zarek'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Deborah Tanya Zarek
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. Deborah Tanya Zarek's NPI number?
Dr. Deborah Tanya Zarek's NPI number is 1619930708. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Deborah Tanya Zarek?
Dr. Deborah Tanya Zarek is an internist in Wilmington, Delaware. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Deborah Tanya Zarek practice?
Dr. Zarek practices at 3411 Silverside Rd, Wilmington, DE 19810. Dr. Zarek's primary practice is Progressive Health of Delaware in Wilmington, Delaware. Dmand AI also links Dr. Zarek to 4 hospitals, 2 home health agencies, 1 group practice or clinic and 1 skilled nursing facility.
What is Dr. Deborah Tanya Zarek's office phone number?
The practice phone on file for Dr. Zarek is (302) 543-5454.
What is Dr. Deborah Tanya Zarek's medical license number?
Dr. Zarek holds Delaware license C10006537.
Which hospitals is Dr. Deborah Tanya Zarek affiliated with?
Dr. Zarek is affiliated with Saint Francis Hospital. Dmand AI links Dr. Zarek to 4 more hospitals.
What medical group is Dr. Deborah Tanya Zarek part of?
Dr. Zarek is linked to Progressive Health of Delaware.
Does Dr. Deborah Tanya Zarek accept Medicare?
Yes. CMS data shows Dr. Zarek billed Medicare for 3,278 services in 2024, and Dr. Zarek accepts Medicare assignment.
Does Dr. Deborah Tanya Zarek offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zarek as offering telehealth services.
How many Medicare patients does Dr. Deborah Tanya Zarek see?
CMS counts 623 Medicare patients who saw Dr. Zarek in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Deborah Tanya Zarek bill to Medicare?
In 2024, Dr. Zarek's most billed Medicare services were physical therapy and rehabilitation (97750), office visit, established patient (99215) and medicare service (G2211).
Where did Dr. Deborah Tanya Zarek go to medical school?
Dr. Zarek graduated from George Washington University School of Medicine in 2000.
What drugs does Dr. Deborah Tanya Zarek prescribe most?
In 2024 Medicare Part D data, Dr. Zarek's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. Deborah Tanya Zarek received payments from drug or device companies?
CMS Open Payments shows $3,945 in general payments to Dr. Zarek from 38 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Deborah Tanya Zarek been practicing?
Dr. Zarek graduated from medical school in 2000, 26 years ago.
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