Nicholas Alonzo, PA-C
NPI 1285911412 · Physician Assistant · Rapid City, SD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Alonzo, PA-C is a Physician Assistant provider in Rapid City, SD (NPI 1285911412).
Provider details
- NPI number
- 1285911412
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA21995 (CA)
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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,303 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) |
|---|---|---|
| Destruction of Peripheral Nerve Or Branch64640 | 290 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 236 | $74 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 219 | $58 |
| X-Ray of Knee, 3 Views73562 | 101 | $33 |
| X-Ray of Knee, 4 Or More Views73564 | 82 | $39 |
| X-Ray of Hip, 2-3 Views73502 | 76 | $38 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 80 | 35 |
| Tramadol Hcl | 80 | 52 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 63 | 34 |
| Amoxicillin | 53 | 47 |
| Tizanidine Hcl | 24 | 16 |
| Celecoxib | 16 | — |
| Methylprednisolone | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$312 across 8 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 (2)
- 81 Highland Springs Ave Ste 103Beaumont, CA 92223-3170Phone: (951) 846-0313
- 341 Magnolia AveSuite 101Corona, CA 92879-3330Phone: (951) 735-6060Fax: (951) 735-4510
Registry dates
- Enumerated
- 2011-11-16
- Last updated
- 2021-01-25
- Certified
- 2021-01-25
Frequently asked questions
- What is Nicholas Alonzo's NPI number?
- Nicholas Alonzo's National Provider Identifier (NPI) is 1285911412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Alonzo's specialty?
- Nicholas Alonzo is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Alonzo located?
- Nicholas Alonzo's practice location on file with NPPES is 7220 Mount Rushmore Rd, Rapid City, SD 57702-8754.
- What is Nicholas Alonzo's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Alonzo is (605) 341-1414.
- Does Nicholas Alonzo accept Medicare?
- Nicholas Alonzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Alonzo's NPI active?
- Yes — Nicholas Alonzo's NPI (1285911412) is active in the NPPES registry as of the last update on 2021-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.