Gregory Lance Phelps, M.D.
Internal Medicine Physician · Memphis, TN
Gregory Lance Phelps, M.D. is an internal medicine physician with a practice address in Memphis, Tennessee, and NPI 1619140209, issued on Apr 4, 2008. Check the license (Tennessee 47483, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory Lance Phelps
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47483 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1169 Jefferson Ave, Memphis, TN 38104
- Phone
- (901) 425-1880
- Enumerated
- Apr 4, 2008
- Record last updated
- Dec 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110829000303); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 1169 Jefferson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dana Sanders, M.D.Pediatrics Physician1841634649
Verify Gregory Lance Phelps in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 47483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,516 Medicare Part D claims for 149 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 38 claims were for opioids.
Most prescribed
- Amlodipine Besylate162 claims
- Atorvastatin Calcium157 claims
- Pantoprazole Sodium119 claims
- Amitriptyline Hcl90 claims
- Albuterol Sulfate Hfa85 claims
- Losartan Potassium82 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: $3,585.57
8 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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 one group practice
- Carelon Medical Partners OF Arizona PCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Lance Phelps among 2,596 internal medicine physician records in Tennessee
Gregory Lance Phelps, M.D. 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 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2003 among the 1,705 with a school on file
- Record last updated2020 · 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).
325 internal medicine physician records list a practice address in Memphis
They are 325 of the 12,794 NPPES records with a practice address in Memphis, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Memphis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Catherine Clarke, MDMemphis, TN 381041528043007
- Karen Curtis, M.D.Memphis, TN 381041033187562
- Aileen Garciagayoso, MDMemphis, TN 381041891757761
- Shawn Hayden, M.D.Memphis, TN 381041609835909
- David Jennings, MDMemphis, TN 381041487637864
- Michael Koplon, M.D.Memphis, TN 381041376546150
- William Lofton, M.D.Memphis, TN 381041114927969
- Ravi Madasu, MDMemphis, TN 381041538160536
Common questions
What is Gregory Lance Phelps, M.D.'s NPI number?
Gregory Lance Phelps, M.D.'s National Provider Identifier (NPI) is 1619140209, issued on Apr 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Lance Phelps, M.D. located?
The NPPES record lists a practice address at 1169 Jefferson Ave, Memphis, TN, 38104. Phone: (901) 425-1880. Providers update this record themselves, so call before visiting.
How can I verify Gregory Lance Phelps, M.D.'s license?
NPPES lists Tennessee license number 47483, 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 Lance Phelps, M.D. prescribe under Medicare Part D?
In 2024, Gregory Lance Phelps, M.D. had 2,516 Medicare Part D claims for 149 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.