Thomas A. Alfreda, DO
Internal Medicine Physician · Henderson, NV
Thomas A. Alfreda, DO is an internal medicine physician with a practice address in Henderson, Nevada, and NPI 1487824041, issued on Mar 10, 2008. Check the license (Nevada DO1536, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas A. Alfreda
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DO1536 NV
20080 CA
17601 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2779 W Horizon Ridge Pkwy Ste 207, Henderson, NV 89052
- Phone
- (702) 666-8645
- Enumerated
- Mar 10, 2008
- Record last updated
- Aug 10, 2022
- Fax
- (702) 666-0401
- Medicare enrollment
- Enrolled (PECOS I20101122001375); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Verify Thomas A. Alfreda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO1536Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,301 Medicare Part D claims for 133 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 98 claims were for opioids.
Most prescribed
- Atorvastatin Calcium114 claims
- Amlodipine Besylate78 claims
- Lisinopril74 claims
- Levothyroxine Sodium65 claims
- Metformin Hcl50 claims
- Alprazolam48 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: $1,424.93
74 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Thomas A. Alfreda among 1,229 internal medicine physician records in Nevada
Thomas A. Alfreda, DO is one of 1,229 internal medicine physician records with a practice address in Nevada. 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2006 among the 772 with a school on file
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
181 internal medicine physician records list a practice address in Henderson
They are 181 of the 7,490 NPPES records with a practice address in Henderson, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Henderson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hossein Akhondi Asl, M.D.Henderson, NV 890521609862051
- Poupak Bigger, M.D.Henderson, NV 890521023010782
- Victor Bonuel, MDHenderson, NV 890521801869862
- Hugh Burt, M.D.Henderson, NV 890521972599371
- Pio Clavecilla, MDHenderson, NV 890521659349140
- Guillermo Fraga, MDHenderson, NV 890521104809433
- Robert Gong, M.D.Henderson, NV 890521265409601
- Witold Iglikowski, M.D.Henderson, NV 890521164412680
Common questions
What is Thomas A. Alfreda, DO's NPI number?
Thomas A. Alfreda, DO's National Provider Identifier (NPI) is 1487824041, issued on Mar 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas A. Alfreda, DO located?
The NPPES record lists a practice address at 2779 W Horizon Ridge Pkwy Ste 207, Henderson, NV, 89052. Phone: (702) 666-8645. Providers update this record themselves, so call before visiting.
How can I verify Thomas A. Alfreda, DO's license?
NPPES lists Nevada license number DO1536, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas A. Alfreda, DO prescribe under Medicare Part D?
In 2024, Thomas A. Alfreda, DO had 2,301 Medicare Part D claims for 133 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.