Brian B. Nielsen, M.D.
Pediatric Orthopaedic Surgery Physician · Tucson, AZ
Brian B. Nielsen, M.D. is a pediatric orthopaedic surgery physician with a practice address in Tucson, Arizona, and NPI 1316948060, issued on Aug 3, 2005. Check the license (Arizona 29897, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian B. Nielsen
- Credential
- M.D.
- Primary taxonomy
- Pediatric Orthopaedic Surgery Physician 207XP3100X
- License number
- 29897 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5301 E Grant RD, Tucson, AZ 85712
- Phone
- (520) 784-6200
- Enumerated
- Aug 3, 2005
- Record last updated
- Feb 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (520) 784-6109
- Medicaid ID
- 694845 AZ
- Medicare enrollment
- Enrolled (PECOS I20081030000410); may accept Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest pediatric orthopaedic surgery physician records → All 17 in Arizona → Look up another NPI →
Also registered at 5301 E Grant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Aaronson, MDInternal Medicine Physician1134865355
- Ahmed AbuawadInternal Medicine Physician1326533431
- Seyedeh Atiyeh Afjei, MDStudent in an Organized Health Care Education/Training Program1477356160
- Chiamaka Agu, PHARMDStudent in an Organized Health Care Education/Training Program1215723820
- Edgar Aguayo, MDStudent in an Organized Health Care Education/Training Program1174325245
- Rand Al-Ani, MDStudent in an Organized Health Care Education/Training Program1528908928
Verify Brian B. Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 29897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average pediatric orthopaedic surgery physician in 2024
55 Medicare Part D claims for 22 beneficiaries, against an average of 109 among the 102 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Diclofenac Sodium30 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $35,784.31
39 payments; by number, the most common kind was travel and lodging; the largest payer was Medacta USA, Inc. The 503 providers of this specialty with any payment received $5,092.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Children's Clinics For Rehabilitative ServicesTucson, AZ
- Tucson Orthopaedic Institute Professional CorporationTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian B. Nielsen among 17 pediatric orthopaedic surgery physician records in Arizona
Brian B. Nielsen, M.D. is one of 17 pediatric orthopaedic surgery physician records with a practice address in Arizona. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Record last updated2014 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XP3100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Orthopaedic Surgery Physician providers in Arizona
There are 17 pediatric orthopaedic surgery physician records in Arizona.
All 17 in Arizona → Every provider in Tucson → Pediatric Orthopaedic Surgery Physician nationwide →
The 8 pediatric orthopaedic surgery physician records with the nearest ZIP codes
- Luis Piedrahita, MDTucson, AZ 857121346252269
- Francisco Valencia, M.D.Tucson, AZ 857181689752727
- Edward Fink, M.D.Glendale, AZ 853061437117835
- Louis Vu, M.D.Glendale, AZ 853061184605859
- Deric Nye, D.O.Glendale, AZ 853041699014464
- David BennettGilbert, AZ 852971306076294
- Gregory Hrasky, M.D.Gilbert, AZ 852971689635989
- Colin Goggins, MDMesa, AZ 852021841480449
Common questions
What is Brian B. Nielsen, M.D.'s NPI number?
Brian B. Nielsen, M.D.'s National Provider Identifier (NPI) is 1316948060, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Brian B. Nielsen, M.D. located?
The NPPES record lists a practice address at 5301 E Grant RD, Tucson, AZ, 85712. Phone: (520) 784-6200. Providers update this record themselves, so call before visiting.
How can I verify Brian B. Nielsen, M.D.'s license?
NPPES lists Arizona license number 29897, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian B. Nielsen, M.D. prescribe under Medicare Part D?
In 2024, Brian B. Nielsen, M.D. had 55 Medicare Part D claims for 22 beneficiaries; the average among pediatric orthopaedic surgery physician prescribers was 109. Part D covers Medicare prescriptions only.
What is Brian B. Nielsen, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.