Nicholas Bracken Robertson, MD
Orthopaedic Surgery Physician · Orange, CA
Nicholas Bracken Robertson, MD is an orthopaedic surgery physician with a practice address in Orange, California, and NPI 1629352455, issued on Sep 28, 2011. Check the license (California A126045, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas Bracken Robertson
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A126045 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 S Main St, Orange, CA 92868
- Phone
- (714) 634-4567
- Enumerated
- Sep 28, 2011
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161021000809); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 280 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie AdairPhysician Assistant1538506134
- Hazel Ando, A.T.,C.Athletic Trainer1851336416
- Lawrence Barnett, MDOrthopaedic Surgery Physician1386631406
- Steven Barnett, MDOrthopaedic Surgery Physician1750378030
- Paul Beck, MDOrthopaedic Surgery Physician1356322879
- Laura Bertsch, PA-CPhysician Assistant1881283299
Verify Nicholas Bracken Robertson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
429 Medicare Part D claims for 150 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 52 claims were for opioids.
Most prescribed
- Meloxicam144 claims
- Gabapentin55 claims
- Amoxicillin44 claims
- Oxycodone Hcl39 claims
- Ondansetron Hcl27 claims
- Dexamethasone23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Bracken Robertson among 2,276 orthopaedic surgery physician records in California
Nicholas Bracken Robertson, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 75% of them.
- NPI issued2011 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2003 among the 1,347 with a school on file
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Orange → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Steven Barnett, MDOrange, CA 928681750378030
- Lawrence Barnett, MDOrange, CA 928681386631406
- Paul Beck, MDOrange, CA 928681356322879
- Peter Birnbaum, D.O. INC.Orange, CA 928681538267042
- Michael Gillman, M.D.Orange, CA 928681275536633
- Robert Gorab, MDOrange, CA 928681326035601
- Robert Macarthur, MDOrange, CA 928681508949470
- William McMaster, M.D.Orange, CA 928681336175058
Common questions
What is Nicholas Bracken Robertson, MD's NPI number?
Nicholas Bracken Robertson, MD's National Provider Identifier (NPI) is 1629352455, issued on Sep 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Bracken Robertson, MD located?
The NPPES record lists a practice address at 280 S Main St, Orange, CA, 92868. Phone: (714) 634-4567. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Bracken Robertson, MD's license?
NPPES lists California license number A126045, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Bracken Robertson, MD prescribe under Medicare Part D?
In 2024, Nicholas Bracken Robertson, MD had 429 Medicare Part D claims for 150 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.