Glenn Michael Calabrese, D.O.
Emergency Medicine Physician · Denton, TX
Glenn Michael Calabrese, D.O. is an emergency medicine physician with a practice address in Denton, Texas, and NPI 1609851625, issued on Dec 13, 2005. Check the license (Texas F3803, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Glenn Michael Calabrese
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- F3803 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3535 S I-35 E, Denton, TX 76210
- Phone
- (972) 758-3598
- Enumerated
- Dec 13, 2005
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 3535 S I-35 E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Fischer, PAPhysician Assistant1952671042
- Manisha Gupta, M.D.Emergency Medicine Physician1932185402
- Kary Holt, P.A.-C.Physician Assistant1255398145
- Marsha Niven, PAPhysician Assistant1033162961
- Mikki Singleton-Wiley, MS, CCC-SLPSpeech-Language Pathologist1265679294
Verify Glenn Michael Calabrese in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F3803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average emergency medicine physician in 2024
62 Medicare Part D claims for 43 beneficiaries, against an average of 226 among the 54,106 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.
Glenn Michael Calabrese among 4,885 emergency medicine physician records in Texas
Glenn Michael Calabrese, D.O. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Denton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Manisha Gupta, M.D.Denton, TX 762101932185402
- Monica Mikkilineni, M.D.Denton, TX 762101841605482
- Justin Northeim, D.O.Denton, TX 762101952529828
- Thomas Olmsted, DODenton, TX 762101376769026
- Lisa Kohler, MDDenton, TX 762051932133527
- Jacob Mumm, M.D.Denton, TX 762051083024590
- Miles Raizada, MDDenton, TX 762051548671688
- Denny ThomasDenton, TX 762051891165593
Common questions
What is Glenn Michael Calabrese, D.O.'s NPI number?
Glenn Michael Calabrese, D.O.'s National Provider Identifier (NPI) is 1609851625, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Michael Calabrese, D.O. located?
The NPPES record lists a practice address at 3535 S I-35 E, Denton, TX, 76210. Phone: (972) 758-3598. Providers update this record themselves, so call before visiting.
How can I verify Glenn Michael Calabrese, D.O.'s license?
NPPES lists Texas license number F3803, 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 Glenn Michael Calabrese, D.O. prescribe under Medicare Part D?
In 2024, Glenn Michael Calabrese, D.O. had 62 Medicare Part D claims for 43 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.