Gregory Hall, D.O.
Emergency Medicine Physician · Houston, TX
Gregory Hall, D.O. is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1972617660, issued on Aug 18, 2006. Check the license (Texas G3427, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Hall
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G3427 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18220 State Highway 249, Houston, TX 77070
- Phone
- (281) 363-3156
- Enumerated
- Aug 18, 2006
- Record last updated
- Feb 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 1687081 LA
- Medicare enrollment
- Enrolled (PECOS I20040610001737); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 18220 State Highway 249
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Colin Allison, RNRegistered Nurse1952181869
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Verify Gregory Hall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G3427Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average emergency medicine physician in 2024
215 Medicare Part D claims for 136 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen31 claims
- Cefdinir21 claims
- Ondansetron Odt20 claims
- Prednisone17 claims
- Cephalexin14 claims
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
- Memorial Hermann Hospital Based Physician GroupKingwood, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Hall among 4,885 emergency medicine physician records in Texas
Gregory Hall, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1982 · median 2013 among the 2,779 with a school on file
- Record last updated2008 · 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).
818 emergency medicine physician records list a practice address in Houston
They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Houston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Anthony Fasanella, D.O.Houston, TX 770701649384322
- Douglas Harrison, D.O.Houston, TX 770701720192420
- Lindsey Jackson, MD, PHDHouston, TX 770701013111681
- Patricia Klap, M.D.Houston, TX 770701841276656
- Christopher Langford, M.D.Houston, TX 770701164536884
- Yogita Mantena, DOHouston, TX 770701659358794
- Daniel Mao, M.D.Houston, TX 770701497843627
- Derrick Mitchell, M.D.Houston, TX 770701447230685
Common questions
What is Gregory Hall, D.O.'s NPI number?
Gregory Hall, D.O.'s National Provider Identifier (NPI) is 1972617660, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Hall, D.O. located?
The NPPES record lists a practice address at 18220 State Highway 249, Houston, TX, 77070. Phone: (281) 363-3156. Providers update this record themselves, so call before visiting.
How can I verify Gregory Hall, D.O.'s license?
NPPES lists Texas license number G3427, 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 Gregory Hall, D.O. prescribe under Medicare Part D?
In 2024, Gregory Hall, D.O. had 215 Medicare Part D claims for 136 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.