NPPES file of Aug 9, 2026

Brian Niel Christiansen, DPM

Foot Surgery Podiatrist · Oak Ridge, TN

Brian Niel Christiansen, DPM is a foot surgery podiatrist with a practice address in Oak Ridge, Tennessee, and NPI 1922095454, issued on Sep 30, 2005. Check the license (Tennessee 680, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922095454
Name
Brian Niel Christiansen
Credential
DPM
Primary taxonomy
Foot Surgery Podiatrist 213ES0131X
License number
680 TN
Self-reported in NPPES; status is on the state search
Practice location
170 W Tennessee Ave, Oak Ridge, TN 37830
Phone
(865) 482-1788
Enumerated
Sep 30, 2005
Record last updated
Aug 9, 2022
Fax
(865) 482-1789
Medicaid ID
3350013 TN
Medicare enrollment
Enrolled (PECOS I20080408000506); accepts Medicare assignment
Medical or professional school
Barry University School Of Podiatric Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 170 W Tennessee Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexander Green, DPMPodiatrist1336638238
  2. Charles Street, PAMedical Physician Assistant1255981940
  3. Matthew Swanson, DPMFoot Surgery Podiatrist1023702347

Verify Brian Niel Christiansen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 680
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

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20% fewer Medicare Part D claims than the average foot surgery podiatrist in 2024

285 Medicare Part D claims for 137 beneficiaries, against an average of 358 among the 1,032 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Brian Christiansen285
  2. Specialty average358

Most prescribed

  1. Doxycycline Hyclate127 claims
  2. Cephalexin34 claims
  3. Hydrocodone-Acetaminophen27 claims
  4. Methylprednisolone18 claims
  5. Oxycodone-Acetaminophen18 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 MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $77.79

4 payments; by number, the most common kind was food and beverage; the largest payer was Averitas Pharma Inc. The 731 providers of this specialty with any payment received $1,811.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Christiansen$77.79
  2. Specialty average$1,811.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Arches Foot Care, LLCOak Ridge, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Foot Surgery Podiatrist providers in Tennessee

There are 27 foot surgery podiatrist records in Tennessee.

Other foot surgery podiatrist records in Tennessee

  1. Carol Akerman, DPMKnoxville, TN1720039779
  2. Mark Baxter, D.P.M.Kingsport, TN1386634301
  3. Steven Chase, D.P.M.Bartlett, TN1558365080
  4. Gary Cockrell, D.P.M.Brentwood, TN1053452128
  5. Laurel Cook, DPMMaryville, TN1073500823
  6. Joseph Creazzo, DPMMorristown, TN1518955707
  7. James Engblom, DPMOak Ridge, TN1053398107
  8. David Franklin, DPMAlcoa, TN1174576433
  9. Robert Hurst, D.P.M.Savannah, TN1598755100
  10. Julie Jones, DPMMorristown, TN1982661559

Common questions

What is Brian Niel Christiansen, DPM's NPI number?

Brian Niel Christiansen, DPM's National Provider Identifier (NPI) is 1922095454, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Brian Niel Christiansen, DPM located?

The NPPES record lists a practice address at 170 W Tennessee Ave, Oak Ridge, TN, 37830. Phone: (865) 482-1788. Providers update this record themselves, so call before visiting.

How can I verify Brian Niel Christiansen, DPM's license?

NPPES lists Tennessee license number 680, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Brian Niel Christiansen, DPM prescribe under Medicare Part D?

In 2024, Brian Niel Christiansen, DPM had 285 Medicare Part D claims for 137 beneficiaries; the average among foot surgery podiatrist prescribers was 358. Part D covers Medicare prescriptions only.

What is Brian Niel Christiansen, DPM's MIPS final score?

The 2023 MIPS final score is 0 of 100. 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.