Marcel B. Twahirwa, MD
Endocrinology, Diabetes & Metabolism Physician · Edinburg, TX
Marcel B. Twahirwa, MD is an endocrinology, diabetes & metabolism physician with a practice address in Edinburg, Texas, and NPI 1841381167, issued on Sep 28, 2006. Check the license (Texas K3869, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marcel B. Twahirwa
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- K3869 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2609 Michaelangelo Dr, Edinburg, TX 78539
- Phone
- (956) 362-5650
- Enumerated
- Sep 28, 2006
- Record last updated
- Jan 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (956) 362-2574
- Medicaid ID
- 096461106 TX
- Medicare enrollment
- Enrolled (PECOS I20040611001058); 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 2609 Michaelangelo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susana Arroyo, RDNRegistered Dietitian1841734555
- Patricia Castilleja, APRN-CNPFamily Nurse Practitioner1316507403
- Melany Castillo Suarez, M.DEndocrinology, Diabetes & Metabolism Physician1538487921
- Michelle Cordoba Kissee, M.D.Endocrinology, Diabetes & Metabolism Physician1831381458
- Anabelle Galindo, FNP-BCFamily Nurse Practitioner1700421278
- Mindy Garces, FNP-BCFamily Nurse Practitioner1598235806
Verify Marcel B. Twahirwa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K3869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
13,138 Medicare Part D claims for 1,190 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Levothyroxine Sodium1,385 claims
- Ozempic1,173 claims
- Atorvastatin Calcium906 claims
- Jardiance603 claims
- Metformin Hcl533 claims
- Tresiba Flextouch U-100421 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $101.76
4 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Renaissance EndocrinologyMission, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcel B. Twahirwa among 743 endocrinology, diabetes & metabolism physician records in Texas
Marcel B. Twahirwa, 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
- Graduated1990 · median 2004 among the 560 with a school on file
- Record last updated2017 · 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 Edinburg → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Melany Castillo Suarez, M.DEdinburg, TX 785391538487921
- Michelle Cordoba Kissee, M.D.Edinburg, TX 785391831381458
- Alejandro Gonzalez Campos, M.DEdinburg, TX 785391508130543
- Jose Llinas Cepeda, M.D.Edinburg, TX 785391164652533
- Eduardo Luna, M.D.Edinburg, TX 785391073959326
- Surya MulukutlaEdinburg, TX 785391568690865
- Juan Palacios Merchan, M.DEdinburg, TX 785391811284078
- Linda Alexander, M.D.Harlingen, TX 785501043295264
Common questions
What is Marcel B. Twahirwa, MD's NPI number?
Marcel B. Twahirwa, MD's National Provider Identifier (NPI) is 1841381167, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcel B. Twahirwa, MD located?
The NPPES record lists a practice address at 2609 Michaelangelo Dr, Edinburg, TX, 78539. Phone: (956) 362-5650. Providers update this record themselves, so call before visiting.
How can I verify Marcel B. Twahirwa, MD's license?
NPPES lists Texas license number K3869, 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 Marcel B. Twahirwa, MD prescribe under Medicare Part D?
In 2024, Marcel B. Twahirwa, MD had 13,138 Medicare Part D claims for 1,190 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Marcel B. Twahirwa, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.