Isaac Nivar
NPI 1003436353 · Orthopaedic Surgery Physician · Harrisburg, PA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Nivar is a Orthopaedic Surgery Physician provider in Harrisburg, PA (NPI 1003436353).
Provider details
- NPI number
- 1003436353
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 101 | 100 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 77 | 76 |
| Pantoprazole Sodium | 45 | 45 |
| Meloxicam | 36 | 36 |
| Cyclobenzaprine Hcl | 29 | 29 |
| Cefadroxil | 20 | 20 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$295 across 4 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
- 2020-04-16
- Last updated
- 2025-08-06
- Certified
- 2025-08-04
Frequently asked questions
- What is Isaac Nivar's NPI number?
- Isaac Nivar's National Provider Identifier (NPI) is 1003436353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Nivar's specialty?
- Isaac Nivar is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Nivar located?
- Isaac Nivar's practice location on file with NPPES is 4300 Londonderry Rd, Harrisburg, PA 17109-5317.
- What is Isaac Nivar's phone number?
- The practice phone number listed in the NPPES registry for Isaac Nivar is (717) 221-5685.
- Does Isaac Nivar accept Medicare?
- Isaac Nivar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Nivar's NPI active?
- Yes — Isaac Nivar's NPI (1003436353) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.