Russell Mascarenhas, M.D.
Family Medicine Physician · Refugio, TX
Russell Mascarenhas, M.D. is a family medicine physician with a practice address in Refugio, Texas, and NPI 1497863906, issued on Aug 25, 2006. Check the license (Texas K0920, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Russell Mascarenhas
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- K0920 TX
Self-reported in NPPES; status is on the state search - Practice location
- 107 1/2 Swift St, Refugio, TX 78377
- Phone
- (361) 526-5328
- Enumerated
- Aug 25, 2006
- Record last updated
- Aug 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (361) 526-5670
- Medicaid ID
- 121272202 TX
- Medicare enrollment
- Enrolled (PECOS I20110221000102); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify Russell Mascarenhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K0920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.6 times the Medicare Part D claims of the average family medicine physician in 2024
19,992 Medicare Part D claims for 464 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 957 claims were for opioids.
Most prescribed
- Gabapentin663 claims
- Atorvastatin Calcium637 claims
- Trazodone Hcl526 claims
- Hydrocodone-Acetaminophen517 claims
- Lisinopril502 claims
- Potassium Chloride465 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
- Refugio County Memorial Hospital DistrictRefugio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Russell Mascarenhas among 11,119 family medicine physician records in Texas
Russell Mascarenhas, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1988 · median 2004 among the 7,095 with a school on file
- Record last updated2010 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family medicine physician record lists a practice address in Refugio
They are 1 of the 17 NPPES records with a practice address in Refugio, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Refugio → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Darryl Collins, M.D.Portland, TX 783741720107493
- Avegiyel Dunn, DOPortland, TX 783741417224338
- Charles Gregory, DO PAPortland, TX 783741477581221
- Ron Guevara, D.O.Robstown, TX 783801811967300
- Jennifer Hendrix, DOPortland, TX 783741801067053
- Donna McMahan, RN MSN FNPPortland, TX 783741629184023
- James Mobley, MDPortland, TX 783741548270853
- Jorge Ramirez, D.O.Portland, TX 783741235407214
Common questions
What is Russell Mascarenhas, M.D.'s NPI number?
Russell Mascarenhas, M.D.'s National Provider Identifier (NPI) is 1497863906, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Russell Mascarenhas, M.D. located?
The NPPES record lists a practice address at 107 1/2 Swift St, Refugio, TX, 78377. Phone: (361) 526-5328. Providers update this record themselves, so call before visiting.
How can I verify Russell Mascarenhas, M.D.'s license?
NPPES lists Texas license number K0920, 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 Russell Mascarenhas, M.D. prescribe under Medicare Part D?
In 2024, Russell Mascarenhas, M.D. had 19,992 Medicare Part D claims for 464 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.