Miriam Rivera Irizarry, M.D.
NPI 1356304828 · Internal Medicine Physician · Kissimmee, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miriam Rivera Irizarry, M.D. is a Internal Medicine Physician provider in Kissimmee, FL (NPI 1356304828).
Provider details
- NPI number
- 1356304828
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11914 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
396 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 55 | $6 |
| Advance Care Planning, First 30 Minutes99497 | 34 | $80 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 25 | $125 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 20 | $18 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 19 | $18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 723 | 289 |
| Losartan Potassium | 539 | 197 |
| Lisinopril | 428 | 157 |
| Metformin Hcl | 412 | 147 |
| Amlodipine Besylate | 402 | 169 |
| Levothyroxine Sodium | 343 | 125 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$168 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2019-12-05
Frequently asked questions
- What is Miriam Rivera Irizarry's NPI number?
- Miriam Rivera Irizarry's National Provider Identifier (NPI) is 1356304828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Rivera Irizarry's specialty?
- Miriam Rivera Irizarry is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Miriam Rivera Irizarry located?
- Miriam Rivera Irizarry's practice location on file with NPPES is 339 Cypress Pkwy Ste 110, Kissimmee, FL 34759-3315.
- What is Miriam Rivera Irizarry's phone number?
- The practice phone number listed in the NPPES registry for Miriam Rivera Irizarry is (407) 343-5000.
- Does Miriam Rivera Irizarry accept Medicare?
- Miriam Rivera Irizarry is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miriam Rivera Irizarry's NPI active?
- Yes — Miriam Rivera Irizarry's NPI (1356304828) is active in the NPPES registry as of the last update on 2019-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.