Gregory Johnson, MD
Emergency Medicine Physician · Brownsville, TX
Gregory Johnson, MD is an emergency medicine physician with a practice address in Brownsville, Texas, and NPI 1801985056, issued on Oct 12, 2006. Check the license (Texas F9625, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Johnson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- F9625 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3302 Boca Chica Blvd, Brownsville, TX 78521
- Phone
- (956) 982-1001
- Enumerated
- Oct 12, 2006
- Record last updated
- Nov 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20070222000741); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1981
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 3302 Boca Chica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Betz, NPFamily Nurse Practitioner1942572771
- Raymundo Castillo, PAMedical Physician Assistant1891137576
- Nathaniel GarciaPhysician Assistant1699207951
- Evelyn Jimenez, PA-CMedical Physician Assistant1992435309
- Hanifath LawaniPharmacist1720680432
- Daniel Martinez, PT, DPTPhysical Therapist1801148267
Verify Gregory Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F9625Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.5 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,471 Medicare Part D claims for 355 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 224 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen112 claims
- Tramadol Hcl49 claims
- Losartan Potassium40 claims
- Acetaminophen-Codeine39 claims
- Ibuprofen39 claims
- Levofloxacin37 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
- C.L. Anderson, JR., M.D., PLLCBrownsville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Johnson among 4,885 emergency medicine physician records in Texas
Gregory Johnson, MD 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
- Graduated1981 · median 2013 among the 2,779 with a school on file
- Record last updated2025 · 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 Brownsville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Hazem Arafeh, M.D.Brownsville, TX 785201972818102
- Linda Paniagua, M.D.Brownsville, TX 785201255686556
- Theodor Pesch, M.D., PH.D.Brownsville, TX 785201891711677
- Xavier Quezada, MD, MPHBrownsville, TX 785201053946129
- Jean Rochel Fils Rochelin, MDBrownsville, TX 785201043634603
- Ramon Loji-Hui, M.D.Brownsville, TX 785261841257151
- Joseph Mattingly, M.D.Brownsville, TX 785261285042481
- Geraldine Mullane, M.D.Brownsville, TX 785261013975697
Common questions
What is Gregory Johnson, MD's NPI number?
Gregory Johnson, MD's National Provider Identifier (NPI) is 1801985056, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Johnson, MD located?
The NPPES record lists a practice address at 3302 Boca Chica Blvd, Brownsville, TX, 78521. Phone: (956) 982-1001. Providers update this record themselves, so call before visiting.
How can I verify Gregory Johnson, MD's license?
NPPES lists Texas license number F9625, 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 Johnson, MD prescribe under Medicare Part D?
In 2024, Gregory Johnson, MD had 1,471 Medicare Part D claims for 355 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.