NPPES file of Aug 9, 2026

Gregory J. Lawler, M.D.

Diagnostic Radiology Physician · Chattanooga, TN

Gregory J. Lawler, M.D. is a diagnostic radiology physician with a practice address in Chattanooga, Tennessee, and NPI 1326033820, issued on Sep 12, 2005. Check the license on the Tennessee Board of Medical Examiners; 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
1326033820
Name
Gregory J. Lawler
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
041469 CT
Self-reported in NPPES; status is on the state search
Practice location
1604 Gunbarrel RD, Chattanooga, TN 37421
Phone
(423) 893-7226
Enumerated
Sep 12, 2005
Record last updated
Jun 26, 2025
Medicare enrollment
Enrolled (PECOS I20200817000003); accepts Medicare assignment
Medical or professional school
New York Medical College, 1991
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 1604 Gunbarrel RD

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

  1. Ifeoma Aguanunu, M.D.Diagnostic Radiology Physician1003221276
  2. Brett Austin, MDDiagnostic Radiology Physician1548281298
  3. James Busch, MDDiagnostic Radiology Physician1285654210
  4. Joseph Busch, MDDiagnostic Radiology Physician1720009335
  5. Varalaxmi Dasari, MDDiagnostic Radiology Physician1225031461
  6. Courtney Frey, MDDiagnostic Radiology Physician1770849556

Verify Gregory J. Lawler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck 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 Tennessee license search

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The MIPS final score for 2023 (Medicare payment program): 79.7 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 score59.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $116.65

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Lawler$116.65
  2. Specialty average$2,488.38

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

Bills Medicare through 3 group practices

  1. Diagnostic Radiology Consultants PAChattanooga, TN
  2. Lenox Hill Radiology And Medical Imaging Associates PCNew York, NY
  3. Tennessee Medical Imaging, P.C.Murfreesboro, TN

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

Gregory J. Lawler among 968 diagnostic radiology physician records in Tennessee

Gregory J. Lawler, M.D. is one of 968 diagnostic radiology physician records with a practice address in Tennessee. 73% 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, 81% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1991 · median 2004 among the 657 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Tennessee

There are 968 diagnostic radiology physician records in Tennessee.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Brett Austin, MDChattanooga, TN 374211548281298
  2. James Busch, MDChattanooga, TN 374211285654210
  3. Joseph Busch, MDChattanooga, TN 374211720009335
  4. Varalaxmi Dasari, MDChattanooga, TN 374211225031461
  5. Grant Huntzinger, MDChattanooga, TN 374211437170180
  6. Scott Kemmerer, MDChattanooga, TN 374211811964554
  7. Andrew Kreek, MDChattanooga, TN 374211134195134
  8. James Loyd, MDChattanooga, TN 374211235164575

Common questions

What is Gregory J. Lawler, M.D.'s NPI number?

Gregory J. Lawler, M.D.'s National Provider Identifier (NPI) is 1326033820, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory J. Lawler, M.D. located?

The NPPES record lists a practice address at 1604 Gunbarrel RD, Chattanooga, TN, 37421. Phone: (423) 893-7226. Providers update this record themselves, so call before visiting.

How can I verify Gregory J. Lawler, M.D.'s license?

Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Gregory J. Lawler, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.7 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.