Daniel Carl Demarco, M.D.
Gastroenterology Physician · Dallas, TX
Daniel Carl Demarco, M.D. is a gastroenterology physician with a practice address in Dallas, Texas, and NPI 1558320903, issued on Mar 22, 2006. Check the license (Texas F9357, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel Carl Demarco
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- F9357 TX
Self-reported in NPPES; status is on the state search - Practice location
- 712 N Washington Ave, Dallas, TX 75246
- Phone
- (214) 545-3990
- Enumerated
- Mar 22, 2006
- Record last updated
- Mar 30, 2022
- Fax
- (214) 545-3999
- Medicaid ID
- 117720602 TX
- Medicare enrollment
- Enrolled (PECOS I20101018001088); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1981
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 712 N Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Conan Gomez, MDNeuroradiology Physician1801006523
Verify Daniel Carl Demarco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F9357Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gastroenterology physician in 2024
80 Medicare Part D claims for 21 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Healthtexas Provider NetworkDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Carl Demarco among 1,478 gastroenterology physician records in Texas
Daniel Carl Demarco, M.D. is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1981 · median 2003 among the 1,175 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Dallas → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Allen, MDDallas, TX 752461043265796
- Clement Boland, MDDallas, TX 752461619921038
- Angela Carollo, M.D.Dallas, TX 752461306805585
- Blair Conner, M.D.Dallas, TX 752461992764922
- Themistocles Dassopoulos, MDDallas, TX 752461326083148
- Esmail Elwazir, M.D.Dallas, TX 752461598741944
- John Hamilton, M.D.Dallas, TX 752461033179213
- William Hodges, M.D.Dallas, TX 752461417933599
Common questions
What is Daniel Carl Demarco, M.D.'s NPI number?
Daniel Carl Demarco, M.D.'s National Provider Identifier (NPI) is 1558320903, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Carl Demarco, M.D. located?
The NPPES record lists a practice address at 712 N Washington Ave, Dallas, TX, 75246. Phone: (214) 545-3990. Providers update this record themselves, so call before visiting.
How can I verify Daniel Carl Demarco, M.D.'s license?
NPPES lists Texas license number F9357, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daniel Carl Demarco, M.D. prescribe under Medicare Part D?
In 2024, Daniel Carl Demarco, M.D. had 80 Medicare Part D claims for 21 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.