Gregory J. Nieckula, D.O.
Internal Medicine Physician · Signal Mountain, TN
Gregory J. Nieckula, D.O. is an internal medicine physician with a practice address in Signal Mountain, Tennessee, and NPI 1164716734, issued on Jun 1, 2011. Check the license (Tennessee 2524, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Nieckula
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2524 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1238 Taft Highway, Signal Mountain, TN 37377
- Phone
- (423) 886-2004
- Enumerated
- Jun 1, 2011
- Record last updated
- Aug 1, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (423) 886-7803
- Medicaid ID
- Q005749 TN
- Medicare enrollment
- Enrolled (PECOS I20240801003089); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 1238 Taft Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheena Cox, NURSE PRACTITIONERNurse Practitioner1437518982
- Margaret Greene, FNPFamily Nurse Practitioner1730411901
Verify Gregory J. Nieckula in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 2524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,686 Medicare Part D claims for 678 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 73 claims were for opioids.
Most prescribed
- Atorvastatin Calcium757 claims
- Levothyroxine Sodium591 claims
- Amlodipine Besylate544 claims
- Losartan Potassium520 claims
- Omeprazole371 claims
- Lisinopril348 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.
Industry payments in 2024: $16.34
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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 4 group practices
- BH Services Southeast 1 PCBrownsville, TN
- Brownsville Medical Clinic, P.A.Brownsville, TN
- Chattanooga Hamilton County Hospital AuthoritySignal Mountain, TN
- Erlanger HealthSignal Mountain, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory J. Nieckula among 2,596 internal medicine physician records in Tennessee
Gregory J. Nieckula, D.O. is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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 70% of them.
- NPI issued2011 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2011 · median 2003 among the 1,705 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Signal Mountain
They are 3 of the 116 NPPES records with a practice address in Signal Mountain, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Signal Mountain → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Cranwell, M.D.Signal Mountain, TN 373771134194285
- Ivey Williamson, MDSignal Mountain, TN 373771942274394
- Casandra Cansler, M.D.Soddy Daisy, TN 373791437153855
- Fredrick Dibrell, M.D.Pikeville, TN 373671285654111
- Stephen Bills, MDTullahoma, TN 373881780797464
- Rimda Gupta, M.D.Tullahoma, TN 373881679566772
- Bill Hollins, DOTullahoma, TN 373881831296359
- Justin Miller, MDTullahoma, TN 373881659834166
Common questions
What is Gregory J. Nieckula, D.O.'s NPI number?
Gregory J. Nieckula, D.O.'s National Provider Identifier (NPI) is 1164716734, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Nieckula, D.O. located?
The NPPES record lists a practice address at 1238 Taft Highway, Signal Mountain, TN, 37377. Phone: (423) 886-2004. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Nieckula, D.O.'s license?
NPPES lists Tennessee license number 2524, as entered by the provider. 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.
How much does Gregory J. Nieckula, D.O. prescribe under Medicare Part D?
In 2024, Gregory J. Nieckula, D.O. had 13,686 Medicare Part D claims for 678 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.