Flavio Humberto Alvarez, MD
Nephrology Physician · Live Oak, TX
Flavio Humberto Alvarez, MD is a nephrology physician with a practice address in Live Oak, Texas, and NPI 1932175601, issued on Feb 23, 2006. Check the license (Texas K4849, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Flavio Humberto Alvarez
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- K4849 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11481 Toepperwein RD, Live Oak, TX 78233
- Phone
- (210) 655-8470
- Enumerated
- Feb 23, 2006
- Record last updated
- Oct 12, 2022
- Fax
- (210) 967-0276
- Medicaid ID
- 046188101 TX
- Medicare enrollment
- Enrolled (PECOS I20100108000111); accepts Medicare assignment
- 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 11481 Toepperwein RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James HedgepethSpecialist1962432146
- Brijesh Kapoor, M.D.Nephrology Physician1518988104
- Cynthia Monroe, MDNephrology Physician1629044227
- Navid Saigal, MDNephrology Physician1427024231
- Martin Santiago Casas, PT, DPTPhysical Therapist1235943887
- Fahim Zaman, M.D.Nephrology Physician1174577050
Verify Flavio Humberto Alvarez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K4849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average nephrology physician in 2024
3,178 Medicare Part D claims for 457 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 12 claims were for opioids.
Most prescribed
- Jardiance311 claims
- Farxiga302 claims
- Losartan Potassium269 claims
- Amlodipine Besylate178 claims
- Nifedipine Er164 claims
- Carvedilol125 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: $2,099.94
97 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Renal Associates, P.A.Live Oak, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Flavio Humberto Alvarez among 1,159 nephrology physician records in Texas
Flavio Humberto Alvarez, MD 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1989 · median 2001 among the 954 with a school on file
- Record last updated2022 · 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).
8 nephrology physician records list a practice address in Live Oak
They are 8 of the 632 NPPES records with a practice address in Live Oak, and 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Live Oak → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Judith Hernandez, M.D.Live Oak, TX 782331124284757
- Brijesh Kapoor, M.D.Live Oak, TX 782331518988104
- Milagros Martinez, M.D.Live Oak, TX 782331518131960
- Cynthia Monroe, MDLive Oak, TX 782331629044227
- Navid Saigal, MDLive Oak, TX 782331427024231
- Matthias Simon, M.D., PH.D.Live Oak, TX 782331508950130
- Fahim Zaman, M.D.Live Oak, TX 782331174577050
- Jay Bucci, M.D.Fort Sam Houston, TX 782341366529380
Common questions
What is Flavio Humberto Alvarez, MD's NPI number?
Flavio Humberto Alvarez, MD's National Provider Identifier (NPI) is 1932175601, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Flavio Humberto Alvarez, MD located?
The NPPES record lists a practice address at 11481 Toepperwein RD, Live Oak, TX, 78233. Phone: (210) 655-8470. Providers update this record themselves, so call before visiting.
How can I verify Flavio Humberto Alvarez, MD's license?
NPPES lists Texas license number K4849, 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 Flavio Humberto Alvarez, MD prescribe under Medicare Part D?
In 2024, Flavio Humberto Alvarez, MD had 3,178 Medicare Part D claims for 457 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.