Nicholas Robertson, MD
NPI 1629352455 · Orthopaedic Surgery Physician · Orange, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Robertson, MD is a Orthopaedic Surgery Physician provider in Orange, CA (NPI 1629352455).
Provider details
- NPI number
- 1629352455
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A126045 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 144 | 68 |
| Gabapentin | 55 | 33 |
| Amoxicillin | 44 | 29 |
| Oxycodone Hcl | 39 | 34 |
| Ondansetron Hcl | 27 | 25 |
| Dexamethasone | 23 | 23 |
| Clindamycin Hcl | 21 | — |
| Naproxen | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-28
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Nicholas Robertson's NPI number?
- Nicholas Robertson's National Provider Identifier (NPI) is 1629352455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Robertson's specialty?
- Nicholas Robertson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Robertson located?
- Nicholas Robertson's practice location on file with NPPES is 280 S Main St, Orange, CA 92868-3852.
- What is Nicholas Robertson's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Robertson is (714) 634-4567.
- Does Nicholas Robertson accept Medicare?
- Nicholas Robertson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Robertson's NPI active?
- Yes — Nicholas Robertson's NPI (1629352455) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.