Dr. Mark Antos, MD
- Part D claims, 2022
- 45
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice locations
- 2
- Practice address
- 1501 Middleford Rd, Seaford, DE 19973-3615
- Practice phone
- Call (302) 629-4255
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark Antos, M.D.
Physician office · Seaford, Delaware
Find Dr. Antos' 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. Mark Antos is a gastroenterologist in Manteca, California
Dr. Antos practices at Mark Antos, M.D. in Seaford, Delaware.
Dr. Antos' NPI, 1942269030, was assigned on March 20, 2006. Dr. Antos holds Delaware license C10003337.
- NPI
- 1942269030NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2006
- NPI status
- Active
- Practice phone
- (302) 629-4255
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark Antos practices in Seaford and Manteca
Dr. Antos' primary practice is Mark Antos, M.D., at 1501 Middleford Rd, Seaford, DE 19973-3615. The practice phone is (302) 629-4255. The NPI Registry lists Dr. Antos' practice address as 1777 W Yosemite Ave, Manteca, CA 95337.
- Mark Antos, M.D.Primary1501 Middleford Rd, Seaford, DE 19973-3615Phone(302) 629-4255
- NPI Registry address1777 W Yosemite Ave, Manteca, CA 95337 · San Joaquin CountyPhone(302) 629-4255
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Mark Antos is affiliated with 1 site of care
Dr. Antos' primary practice is Mark Antos, M.D. in Seaford, Delaware.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark Antos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Antos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark Antos, M.D. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Antos is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Antos' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Antos is licensed in Delaware.
Specialties and state licenses
- Gastroenterology, DelawarePrimary
Gastroenterologists near Dr. Antos
Counts of gastroenterologists 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. Mark Antos' patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Antos' median patient age at 53, with 0% women.
Dr. Antos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Mark Antos wrote 45 Medicare Part D claims in 2022
In 2022, Dr. Antos wrote 45 Medicare Part D claims. They cover 2 drugs, with $10,628 in total drug cost. In 2021, CMS named 759 claims across 22 drugs.
Dr. Antos' most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 7592022: 4594%
Drugs named by CMS: 2 in 2022, 22 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Mark Antos'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| 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) |
| 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. Mark Antos
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. Mark Antos' NPI number?
Dr. Mark Antos' NPI number is 1942269030. It was assigned on March 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Antos?
Dr. Mark Antos is a gastroenterologist in Manteca, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mark Antos practice?
Dr. Antos practices at 1501 Middleford Rd, Seaford, DE 19973-3615. Dr. Antos also practices at 1777 W Yosemite Ave, Manteca, CA 95337. Dr. Antos' primary practice is Mark Antos, M.D. in Seaford, Delaware.
What is Dr. Mark Antos' office phone number?
The practice phone on file for Dr. Antos is (302) 629-4255.
What is Dr. Mark Antos' medical license number?
Dr. Antos holds Delaware license C10003337.
What drugs does Dr. Mark Antos prescribe most?
In 2022 Medicare Part D data, Dr. Antos' most prescribed drugs by claims were Pantoprazole Sodium and Lialda.
How long has Dr. Mark Antos been practicing?
Dr. Antos' NPI was assigned in 2006.
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