Doctor profile · Federal record

Dr. Diane Lum, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Memphis, TN

  • NPI 1821077975
  • Accepts Medicare
  • 32 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6005 Park Ave Ste 200
Memphis, TN 381195212
(901) 761-2100
Additional location
228 W Tyler Ave, Suite 200
West Memphis, AR 723014223
(870) 735-1973
fax (870) 735-5433
Mailing address
228 W Tyler Ave, Suite 200
West Memphis, AR 723014223

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
May 15, 2019
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Arkansas #E1289 · Tennessee #29884
Medicaid
AR #131640001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821077975. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,822
Distinct HCPCS
10
Medicare allowed
$121,489
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 476 210 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 366 184 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 226 39 $75
83036 Hemoglobin a1c level 124 73 $9
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 87 68 $82
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 55 53 $7
G0009 Administration of pneumococcal vaccine 48 48 $27
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 42 42 $269
G0008 Administration of influenza virus vaccine 40 38 $28

In context: peer comparison

Among 87 peers in this city , average services per provider: 210. This provider delivers 8.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,299
Patients
799
Total drug cost
$45,912
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 310 104 $6,008
Amlodipine Besylate Generic 282 96 $3,653
Losartan Potassium Generic 240 77 $4,664
Metoprolol Succinate Generic 213 67 $5,969
Rosuvastatin Calcium Generic 192 71 $4,139
Pantoprazole Sodium Generic 155 58 $2,809
Levothyroxine Sodium Generic 143 43 $2,671
Gabapentin Generic 105 29 $3,045
Pravastatin Sodium Generic 101 35 $2,459
Lisinopril Generic 100 27 $1,013

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Lum's medical specialty?
Dr. Diane Lum practices Internal Medicine Physician in Memphis, TN.
Where does Dr. Diane Lum practice?
Dr. Diane Lum practices at 6005 Park Ave Ste 200, Memphis, TN 381195212. Office phone: 9017612100.
What is Dr. Diane Lum's NPI?
Dr. Diane Lum's National Provider Identifier (NPI) is 1821077975, issued by NPPES.
Does Dr. Diane Lum accept Medicare assignment?
Yes. Dr. Diane Lum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Lum commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.