Dennis Roy Mendoza Ferrer, MD
Endocrinology, Diabetes & Metabolism Physician · Shenandoah, TX
Dennis Roy Mendoza Ferrer, MD is an endocrinology, diabetes & metabolism physician with a practice address in Shenandoah, Texas, and NPI 1386750917, issued on Aug 23, 2006. Check the license (Texas L6375, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dennis Roy Mendoza Ferrer
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- L6375 TX
Self-reported in NPPES; status is on the state search - Practice location
- 106 Vision Park Blvd, Shenandoah, TX 77384
- Phone
- (713) 442-1800
- Enumerated
- Aug 23, 2006
- Record last updated
- Jun 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 217694302 TX
217694301 TX - Medicare enrollment
- Enrolled (PECOS I20071128000126); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →
Also registered at 106 Vision Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis Roy Mendoza Ferrer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L6375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
7,641 Medicare Part D claims for 806 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Levothyroxine Sodium901 claims
- Ozempic624 claims
- Novolog Flexpen475 claims
- Jardiance412 claims
- Xultophy 100-3.6361 claims
- Basaglar Kwikpen U-100304 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
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Roy Mendoza Ferrer among 743 endocrinology, diabetes & metabolism physician records in Texas
Dennis Roy Mendoza Ferrer, MD is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% 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, 61% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1991 · median 2004 among the 560 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Texas
There are 743 endocrinology, diabetes & metabolism physician records in Texas.
All 743 in Texas → Every provider in Shenandoah → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Kateryna Komarovskiy, MDShenandoah, TX 773841265694285
- Mohammed Ansari, M.D.Shenandoah, TX 773851013190461
- Shivani Toma, MDShenandoah, TX 773851063621175
- Paul Piper, MDThe Woodlands, TX 773821760412035
- Lorianna Aleman-MaymiShenandoah, TX 773811235685223
- Annie Thomas, MDShenandoah, TX 773811801892138
- Ulupi Choksi, MDShenandoah, TX 773801891851531
- Zubair Mirza, M.D.Spring, TX 773881245543578
Common questions
What is Dennis Roy Mendoza Ferrer, MD's NPI number?
Dennis Roy Mendoza Ferrer, MD's National Provider Identifier (NPI) is 1386750917, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Roy Mendoza Ferrer, MD located?
The NPPES record lists a practice address at 106 Vision Park Blvd, Shenandoah, TX, 77384. Phone: (713) 442-1800. Providers update this record themselves, so call before visiting.
How can I verify Dennis Roy Mendoza Ferrer, MD's license?
NPPES lists Texas license number L6375, 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 Dennis Roy Mendoza Ferrer, MD prescribe under Medicare Part D?
In 2024, Dennis Roy Mendoza Ferrer, MD had 7,641 Medicare Part D claims for 806 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.