Joshua Daniel Martinez, DO
Nephrology Physician · Galveston, TX
Joshua Daniel Martinez, DO is a nephrology physician with a practice address in Galveston, Texas, and NPI 1871090696, issued on Apr 9, 2018. Check the license (Texas U4262, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joshua Daniel Martinez
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- U4262 TX
BP10063398 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 University Blvd, Galveston, TX 77555
- Phone
- (409) 772-7063
- Enumerated
- Apr 9, 2018
- Record last updated
- May 22, 2026
- Fax
- (409) 747-8579
- Medicare enrollment
- Enrolled (PECOS I20230712004617); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 301 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fnu Aakash, MDAnatomic Pathology & Clinical Pathology Physician1578074464
- Gayatri Aaluri, MDInternal Medicine Physician1821928508
- Asle Aarsland, M.D.Anesthesiology Physician1033207113
- Omar Abdelaziz, MDPsychiatry Physician1962140871
- Ramy AbdelmaseihInterventional Cardiology Physician1922569466
- Randa Abdelmasih, MDEndocrinology, Diabetes & Metabolism Physician1003377417
Verify Joshua Daniel Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U4262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average nephrology physician in 2024
1,254 Medicare Part D claims for 301 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Farxiga176 claims
- Amlodipine Besylate115 claims
- Lisinopril107 claims
- Furosemide100 claims
- Carvedilol91 claims
- Tamsulosin Hcl65 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.
Industry payments in 2024: $1,155.85
46 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Dallas Renal Group, P.A.Mesquite, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Daniel Martinez among 1,159 nephrology physician records in Texas
Joshua Daniel Martinez, DO is one of 1,159 nephrology 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 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 6% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2018 · median 2001 among the 954 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Galveston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Patricia Aristimuno, MDGalveston, TX 775551356400147
- John Badalamenti, MDGalveston, TX 775551043296478
- Robert Beach, M.D.Galveston, TX 775551205929379
- Gerald Beathard, MDGalveston, TX 775551467654541
- Ann Kathleen Gamilla-Crudo, MDGalveston, TX 775551982808549
- Syed Hassan, M.D.Galveston, TX 775551063638989
- Syed Hussain, MDGalveston, TX 775551750674842
- Ajay Israni, MDGalveston, TX 775551447205729
Common questions
What is Joshua Daniel Martinez, DO's NPI number?
Joshua Daniel Martinez, DO's National Provider Identifier (NPI) is 1871090696, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Daniel Martinez, DO located?
The NPPES record lists a practice address at 301 University Blvd, Galveston, TX, 77555. Phone: (409) 772-7063. Providers update this record themselves, so call before visiting.
How can I verify Joshua Daniel Martinez, DO's license?
NPPES lists Texas license number U4262, 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 Joshua Daniel Martinez, DO prescribe under Medicare Part D?
In 2024, Joshua Daniel Martinez, DO had 1,254 Medicare Part D claims for 301 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.