NPPES file of Aug 9, 2026

Brian Patrick Flanagan, M.D.

Adult Reconstructive Orthopaedic Surgery Physician · Crystal Lake, IL

Brian Patrick Flanagan, M.D. is an adult reconstructive orthopaedic surgery physician with a practice address in Crystal Lake, Illinois, and NPI 1336428010, issued on Aug 11, 2011. Check the license (Illinois 036-142459, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1336428010
Name
Brian Patrick Flanagan
Credential
M.D.
Primary taxonomy
Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X
License number
036-142459 IL
Self-reported in NPPES; status is on the state search
Practice location
420 N IL Route 31, Crystal Lake, IL 60012
Phone
(815) 356-5200
Enumerated
Aug 11, 2011
Record last updated
Oct 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(815) 356-5262
Medicare enrollment
Enrolled (PECOS I20170907001635); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 2011
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 420 N IL Route 31

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

  1. Sam Biafora, M.D.Orthopaedic Hand Surgery Physician1205037991
  2. Laura Blumenkamp, PTPhysical Therapist1356608673
  3. Shelly Chamberlin, OTR/L, CHTOccupational Therapist1336335900
  4. Devin Chen, PA-CPhysician Assistant1174305312
  5. Staci Connery, P.T.Physical Therapist1932364338
  6. William Cox, M.D.Sports Medicine (Orthopaedic Surgery) Physician1407928062

Verify Brian Patrick Flanagan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-142459
    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
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.8 times the Medicare Part D claims of the average adult reconstructive orthopaedic surgery physician in 2024

2,196 Medicare Part D claims for 676 beneficiaries, against an average of 579 among the 1,112 providers of this specialty who prescribed in Part D. 594 claims were for opioids.

  1. Brian Flanagan2,196
  2. Specialty average579

Most prescribed

  1. Celecoxib499 claims
  2. Tramadol Hcl389 claims
  3. Meloxicam317 claims
  4. Methylprednisolone233 claims
  5. Diclofenac Sodium194 claims
  6. Cefadroxil153 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): 94.1 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 score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $508.42

10 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 1,060 providers of this specialty with any payment received $68,015.27 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Flanagan$508
  2. Specialty average$68,015

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

  1. Central Dupage Physician GroupHuntley, IL
  2. Northwestern Medical Faculty FoundationHuntley, IL

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

Brian Patrick Flanagan among 78 adult reconstructive orthopaedic surgery physician records in Illinois

Brian Patrick Flanagan, M.D. is one of 78 adult reconstructive orthopaedic surgery physician records with a practice address in Illinois. 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 2011, is newer than 41% of them.

  • NPI issued2011 · 41% of these records are older, 55% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2011 · median 2012 among the 64 with a school on file
  • Record last updated2018 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0114X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Reconstructive Orthopaedic Surgery Physician providers in Illinois

There are 78 adult reconstructive orthopaedic surgery physician records in Illinois.

The 8 adult reconstructive orthopaedic surgery physician records with the nearest ZIP codes

  1. Kenneth Chakour, MDBarrington, IL 600101700148483
  2. Gregory Drake, D.O.Elk Grove Village, IL 600071871507889
  3. Douglas Armstrong, MDAntioch, IL 600021467486712
  4. Richard Southgate, M.D.Lake Forest, IL 600451720303308
  5. Thomas Baier, MDLibertyville, IL 600481699765842
  6. Kathryn Fideler, MD, MPHPark Ridge, IL 600681568997534
  7. Hristo Piponov, MDLincolnshire, IL 600691588026991
  8. Alexander Tauchen, MDLincolnshire, IL 600691992004162

Common questions

What is Brian Patrick Flanagan, M.D.'s NPI number?

Brian Patrick Flanagan, M.D.'s National Provider Identifier (NPI) is 1336428010, issued on Aug 11, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Brian Patrick Flanagan, M.D. located?

The NPPES record lists a practice address at 420 N IL Route 31, Crystal Lake, IL, 60012. Phone: (815) 356-5200. Providers update this record themselves, so call before visiting.

How can I verify Brian Patrick Flanagan, M.D.'s license?

NPPES lists Illinois license number 036-142459, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brian Patrick Flanagan, M.D. prescribe under Medicare Part D?

In 2024, Brian Patrick Flanagan, M.D. had 2,196 Medicare Part D claims for 676 beneficiaries; the average among adult reconstructive orthopaedic surgery physician prescribers was 579. Part D covers Medicare prescriptions only.

What is Brian Patrick Flanagan, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 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.