Dr. Diane Lau Lum, MD
- Medicare services, 2024
- 2,176
- Medicare patients, 2024
- 271
- Part D claims, 2024
- 6,002
- Hospital affiliations
- 5
- Medical groups
- 3
- Practice address
- 5959 Park Ave, Memphis, TN 38119
- Practice phone
- Call (901) 765-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lum's professional email, personal email and mobile number
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Dr. Diane Lau Lum is an internist in Memphis, Tennessee
Dr. Lum practices at Saint Francis Hospital-Memphis in Memphis, Tennessee, part of Tenet Healthcare.
Dr. Lum's NPI, 1821077975, was assigned on January 16, 2006. Dr. Lum graduated from University of Arkansas College of Medicine in 1994. Dr. Lum holds Arkansas license E1289.
- NPI
- 1821077975NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911989835
- NPI enumeration date
- January 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (901) 765-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diane Lau Lum practices at Saint Francis Hospital-Memphis in Memphis, Tennessee
Dr. Lum's primary practice is Saint Francis Hospital-Memphis, at 5959 Park Ave, Memphis, TN 38119 in Shelby County. The practice phone is (901) 765-1000.
- Saint Francis Hospital-Memphis5959 Park Ave, Memphis, TN 38119 · Shelby CountyPhone(901) 765-1000
Source: Dmand AI Affiliation Data
Dr. Diane Lau Lum is affiliated with 10 sites of care and 3 medical groups
Dr. Lum's primary practice is Saint Francis Hospital-Memphis in Memphis, Tennessee, part of Tenet Healthcare. Dr. Lum is also affiliated with Methodist University Hospital. The medical group on file is Saint Francis Medical Partners. Dmand AI also links Dr. Lum to 3 more hospitals, 3 group practices and clinics, 2 home health agencies and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diane Lau Lum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lum practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Francis Hospital-Memphis | Available with a free account |
| +9 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diane Lau Lum is one of 2,427 internists in Tennessee
Internal medicine is Dr. Lum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Lum's licenses on file in 2 states: Arkansas and Tennessee.
Specialties and state licenses
- Internal medicine, ArkansasPrimary
- Tennessee license
Internists near Dr. Lum
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Diane Lau Lum billed Medicare for 2,176 services in 2024
CMS data shows 2,176 Medicare services from Dr. Lum across 23 procedure codes in 2024, for 271 Medicare patients. Medicare paid $114,700 for them.
Dr. Lum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7992024: 1,16346%
- Surgery
- 2023: 4762024: 53913%
- Other services
- 2023: 2092024: 2052%
- Lab and pathology
- 2023: 1972024: 13332%
- Tests and treatments
- 2023: 1262024: 11211%
- Drugs given in the office
- 2023: 152024: 2460%
Where Dr. Lum's Medicare services took place, 2024
- In an office1,57472%
- In a facility60228%
Dr. Lum compared with the Tennessee median for internists, 2024
- Dr. Lum
- Tennessee median
- Medicare services
- 2,176vs 6713.2 times
- Medicare patients
- 271vs 22222% above
- Part D claims
- 5,331vs 33416.0 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Lum's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane Lau Lum treated 271 Medicare patients in 2024, average age 76
CMS counts 271 Medicare patients who saw Dr. Lum in 2024. The largest group is 75 to 84, with 103 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lum's median patient age at 70, with 70% women.
Dr. Lum's Medicare patients by age, 2024
Dr. Lum's Medicare patients by sex, 2024
- Women18368%
- Men8832%
Chronic conditions among Dr. Lum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Chronic kidney disease32%
- Ischemic heart disease30%
- Diabetes28%
- Anxiety27%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane Lau Lum wrote 6,002 Medicare Part D claims in 2024
In 2024, Dr. Lum wrote 6,002 Medicare Part D claims for 421 patients. 89% of them were for generic drugs. CMS names the drug for 5,331 of them, across 110 drugs with 11 or more claims each, at $360,425 in total drug cost. In 2023, CMS named 4,511 claims across 99 drugs.
Dr. Lum's Part D claims by kind of drug, 2024
- Generic5,358 claims89%
- Brand-name623 claims10%
- Other21 claims0%
Dr. Lum's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lum's Part D claims, 2024
- Opioids0%16 of 6,002 claims
- Antibiotics2%135 of 6,002 claims
- Antipsychotics, patients 65 and over0%12 of 6,002 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5112024: 5,33118%
Drugs named by CMS: 110 in 2024, 99 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Diane Lau Lum takes part in Medicare
Dr. Lum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Diane Lau Lum graduated from University of Arkansas College of Medicine
Dr. Lum graduated from University of Arkansas College of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane Lau Lum's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Diane Lau Lum
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Diane Lau Lum's NPI number?
Dr. Diane Lau Lum's NPI number is 1821077975. It was assigned on January 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane Lau Lum?
Dr. Diane Lau Lum is an internist in Memphis, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diane Lau Lum practice?
Dr. Lum practices at 5959 Park Ave, Memphis, TN 38119. Dr. Lum's primary practice is Saint Francis Hospital-Memphis in Memphis, Tennessee, part of Tenet Healthcare. Dmand AI also links Dr. Lum to 3 hospitals, 3 group practices and clinics, 2 home health agencies and 2 medical groups.
What is Dr. Diane Lau Lum's office phone number?
The practice phone on file for Dr. Lum is (901) 765-1000.
What is Dr. Diane Lau Lum's medical license number?
Dr. Lum holds Arkansas license E1289, one of the licenses on file in 2 states.
Which states has Dr. Diane Lau Lum been licensed in?
Dmand AI has state licenses on file for Dr. Lum in Arkansas and Tennessee.
Which hospitals is Dr. Diane Lau Lum affiliated with?
Dr. Lum practices at Saint Francis Hospital-Memphis in Memphis, Tennessee. Dr. Lum is also affiliated with Methodist University Hospital. Dmand AI links Dr. Lum to 3 more hospitals.
What medical group is Dr. Diane Lau Lum part of?
Dr. Lum is linked to Saint Francis Medical Partners. Dmand AI links Dr. Lum to 2 more medical groups.
Does Dr. Diane Lau Lum accept Medicare?
Yes. CMS data shows Dr. Lum billed Medicare for 2,176 services in 2024, and Dr. Lum accepts Medicare assignment.
How many Medicare patients does Dr. Diane Lau Lum see?
CMS counts 271 Medicare patients who saw Dr. Lum in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Diane Lau Lum bill to Medicare?
In 2024, Dr. Lum's most billed Medicare services were surgery: heart and blood vessels (36415), hospital inpatient care (99232) and office visit, established patient (99214).
Where did Dr. Diane Lau Lum go to medical school?
Dr. Lum graduated from University of Arkansas College of Medicine in 1994.
What drugs does Dr. Diane Lau Lum prescribe most?
In 2024 Medicare Part D data, Dr. Lum's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.
How long has Dr. Diane Lau Lum been practicing?
Dr. Lum graduated from medical school in 1994, 32 years ago.
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