Miriam L. Rivera Irizarry, M.D.
Internal Medicine Physician · Kissimmee, FL
Miriam L. Rivera Irizarry, M.D. is an internal medicine physician with a practice address in Kissimmee, Florida, and NPI 1356304828, issued on Apr 7, 2006. Check the license (Florida ACN 295, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Miriam L. Rivera Irizarry
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ACN 295 FL
11914 PR
Self-reported in NPPES; status is on the state search - Practice location
- 339 Cypress Pkwy Ste 110, Kissimmee, FL 34759
- Phone
- (407) 343-5000
- Enumerated
- Apr 7, 2006
- Record last updated
- Dec 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (407) 343-5199
- Medicaid ID
- 002357600 FL
- Medicare enrollment
- Enrolled (PECOS I20090429000181); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Verify Miriam L. Rivera Irizarry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ACN 295Check 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 internal medicine physician in 2024
9,136 Medicare Part D claims for 731 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium723 claims
- Losartan Potassium539 claims
- Lisinopril428 claims
- Metformin Hcl412 claims
- Amlodipine Besylate402 claims
- Levothyroxine Sodium343 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: $167.69
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
Bills Medicare through one group practice
- St Peter Medical Group IncKissimmee, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Miriam L. Rivera Irizarry among 10,151 internal medicine physician records in Florida
Miriam L. Rivera Irizarry, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1991 · median 2004 among the 6,606 with a school on file
- Record last updated2019 · 48% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 internal medicine physician records list a practice address in Kissimmee
They are 74 of the 5,568 NPPES records with a practice address in Kissimmee, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Kissimmee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Emma Bautista Ocampo, MDKissimmee, FL 347591457328577
- Hernan Gomez, M.D.Kissimmee, FL 347591083628192
- Roberto Gonzalez, M.D.Kissimmee, FL 347591376536235
- Mohamed Meleis, M.D.Kissimmee, FL 347591396742342
- Carlos Miranda, M.D.Kissimmee, FL 347591376879031
- Lillian Vargas, MDKissimmee, FL 347591508902099
- Theodore Ross, MDKissimmee, FL 347581285720508
- Don Buswell Charkow, MDOcoee, FL 347611679557169
Common questions
What is Miriam L. Rivera Irizarry, M.D.'s NPI number?
Miriam L. Rivera Irizarry, M.D.'s National Provider Identifier (NPI) is 1356304828, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Miriam L. Rivera Irizarry, M.D. located?
The NPPES record lists a practice address at 339 Cypress Pkwy Ste 110, Kissimmee, FL, 34759. Phone: (407) 343-5000. Providers update this record themselves, so call before visiting.
How can I verify Miriam L. Rivera Irizarry, M.D.'s license?
NPPES lists Florida license number ACN 295, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Miriam L. Rivera Irizarry, M.D. prescribe under Medicare Part D?
In 2024, Miriam L. Rivera Irizarry, M.D. had 9,136 Medicare Part D claims for 731 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.