Irma Alvarez-Horwith, PMHNP-BC, NP-C
NPI 1598375370 · Family Nurse Practitioner · Tampa, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irma Alvarez-Horwith, PMHNP-BC, NP-C is a Family Nurse Practitioner provider in Tampa, FL (NPI 1598375370).
Provider details
- NPI number
- 1598375370
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC, NP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2023061726 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
511 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 318 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 106 | $104 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 47 | $61 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0481 | 27 | $153 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 13 | $46 |
Typical Medicare-allowed amounts for these services range $46–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclobenzaprine Hcl | 173 | 90 |
| Gabapentin | 147 | 89 |
| Tizanidine Hcl | 119 | 75 |
| Trazodone Hcl | 111 | 63 |
| Diclofenac Sodium | 81 | 41 |
| Ibuprofen | 75 | 46 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 73 | 40 |
| Lidocaine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$562 across 30 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
Additional practice locations (1)
- 13506 N Rome Ave Unit 104Tampa, FL 33613-2027Phone: (813) 325-9148
Registry dates
- Enumerated
- 2020-08-05
- Last updated
- 2025-01-06
- Certified
- 2025-01-06
Frequently asked questions
- What is Irma Alvarez-Horwith's NPI number?
- Irma Alvarez-Horwith's National Provider Identifier (NPI) is 1598375370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irma Alvarez-Horwith's specialty?
- Irma Alvarez-Horwith is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Irma Alvarez-Horwith located?
- Irma Alvarez-Horwith's practice location on file with NPPES is 4730 N Habana Ave Ste 300, Tampa, FL 33614-7148.
- What is Irma Alvarez-Horwith's phone number?
- The practice phone number listed in the NPPES registry for Irma Alvarez-Horwith is (813) 325-9148.
- Does Irma Alvarez-Horwith accept Medicare?
- Irma Alvarez-Horwith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irma Alvarez-Horwith's NPI active?
- Yes — Irma Alvarez-Horwith's NPI (1598375370) is active in the NPPES registry as of the last update on 2025-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.