Dr. Paula Joy Lum, MD, MPH
- Medicare services, 2018
- 55
- Part D claims, 2024
- 1,648
- Publications
- 99
- Clinical trials
- 6
- MIPS score, 2024
- 97
- Practice address
- 1001 Potrero Avenue, San Francisco, CA 94110
- Practice phone
- Call (415) 206-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Lum's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Paula Joy Lum is an internist in San Francisco, California
Dr. Lum practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA.
Dr. Lum's NPI, 1811004559, was assigned on August 25, 2006. Dr. Lum holds California license A53746.
- NPI
- 1811004559NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032263132
- NPI enumeration date
- August 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 206-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paula Joy Lum practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California
Dr. Lum's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center, at 1001 Potrero Avenue, San Francisco, CA 94110 in San Francisco County. The practice phone is (415) 206-8000.
- Zuckerberg San Francisco General Hospital and Trauma Center1001 Potrero Avenue, San Francisco, CA 94110 · San Francisco CountyPhone(415) 206-8000
Source: Dmand AI Affiliation Data
Dr. Paula Joy Lum is affiliated with 3 sites of care and 2 medical groups
Dr. Lum's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Dr. Lum to 2 more group practices and clinics and 1 medical group, 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. Paula Joy Lum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lum practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Zuckerberg San Francisco General Hospital and Trauma Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Paula Joy Lum is one of 16,751 internists in California
Internal medicine is Dr. Lum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lum is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lum is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
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. Paula Joy Lum billed Medicare for 55 services in 2018
CMS data shows 55 Medicare services from Dr. Lum across 1 procedure code in 2018. Medicare paid $3,417 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lum's Medicare services by type, 2016 to 2018
- 2016
- 2018
- Office and hospital visits
- 2016: 602018: 558%
Dr. Lum compared with the California median for internists, 2018
- Dr. Lum
- California median
- Medicare services
- 55vs 36185% below
- Part D claims
- 1,325vs 4213.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Lum's most billed Medicare procedure codes, 2018
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lum and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paula Joy Lum's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Lum's median patient age at 64, with 29% women.
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 64
Patient panel by sex, all payers
- Women29%
- Men69%
Source: Dmand AI Patient Panel Data
Dr. Paula Joy Lum wrote 1,648 Medicare Part D claims in 2024
In 2024, Dr. Lum wrote 1,648 Medicare Part D claims for 56 patients. 73% of them were for generic drugs. CMS names the drug for 1,325 of them, across 52 drugs with 11 or more claims each, at $956,748 in total drug cost. In 2023, CMS named 1,443 claims across 59 drugs.
Dr. Lum's Part D claims by kind of drug, 2024
- Generic1,202 claims73%
- Brand-name446 claims27%
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
- Opioids5%85 of 1,648 claims
- Antipsychotics, patients 65 and over1%12 of 1,648 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: 1,4432024: 1,3258%
Drugs named by CMS: 52 in 2024, 59 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
Dr. Paula Joy Lum scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Lum for performance year 2024, reported as part of a group. Dr. Lum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lum's MIPS scores, performance year 2024
- 97of 100Final score
- 89.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Paula Joy Lum has 99 publications on record
Dmand AI links 99 papers to Dr. Lum, published from 2002 to 2025. 2024 was the busiest year, with 7. The most frequent topics are Substance Abuse, Intravenous, HIV Infections and Hepatitis C. Dr. Lum has published most often in J Acquir Immune Defic Syndr. Dr. Lum's most frequent co-authors are Kimberly Ann Page, MD, Judith Ihseen Tsui, MD and Judith Feinberg, MD.
Dr. Lum's papers by year, 2015 to 2025
Topics Dr. Lum writes about most
- Substance Abuse, Intravenous
- HIV Infections
- Hepatitis C
- San Francisco
- Hepacivirus
- Drug Users
- Antiviral Agents
- Opioid-Related Disorders
Dr. Lum's most frequent co-authors
- Kimberly Ann Page, MD35 shared papers
- Judith Ihseen Tsui, MD19 shared papers
- Judith Feinberg, MD17 shared papers
Recent publications by Dr. Lum
Drug Alcohol Depend
Drug Alcohol Depend
See who Dr. Lum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lum works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Paula Joy Lum has worked on 6 clinical trials
Dmand AI links Dr. Lum to 6 clinical trials, 3 of them phase 4 studies. Conditions studied include Opioid-Related Disorders, Narcotic-Related Disorders and Hepatitis C. University of California, San Francisco sponsors the most, 3.
Clinical trials with Dr. Lum by phase
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- NonePhase 2: no trials
- NonePhase 3: no trials
- 3Phase 4: 3 trials
Conditions in Dr. Lum's trials
- Opioid-Related Disorders
- Narcotic-Related Disorders
- Hepatitis C
- Inflammation
- Reinfection
Investigators on the most trials with Dr. Lum
Recent clinical trials with Dr. Lum
Staged Phase I/II Hepatitis C Prophylactic Vaccine (opens in a new tab)
Buprenorphine and Integrated HIV Care Evaluation (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Paula Joy Lum received $26 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Lum from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $26.
Companies that paid Dr. Lum the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paula Joy Lum is board certified in internal medicine
Dr. Lum is a member of ACAAM, ACP, ASAM and AMERSA.
- Board certified in internal medicine
- Board certified in addiction medicine
Source: Dmand AI Professional Profile Data
Dr. Paula Joy Lum accepts plans from 1 insurance carrier
Dr. Lum is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Paula Joy 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 Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Paula Joy 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. Paula Joy Lum's NPI number?
Dr. Paula Joy Lum's NPI number is 1811004559. It was assigned on August 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Paula Joy Lum?
Dr. Paula Joy Lum is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Paula Joy Lum practice?
Dr. Lum practices at 1001 Potrero Avenue, San Francisco, CA 94110. Dr. Lum's primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. Dmand AI also links Dr. Lum to 2 group practices and clinics and 1 medical group.
What is Dr. Paula Joy Lum's office phone number?
The practice phone on file for Dr. Lum is (415) 206-8000.
What is Dr. Paula Joy Lum's medical license number?
Dr. Lum holds California license A53746.
Which hospitals is Dr. Paula Joy Lum affiliated with?
Dr. Lum practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California.
What medical group is Dr. Paula Joy Lum part of?
Dr. Lum is linked to UCSF Department of Radiology & Biomedical Imaging. Dmand AI links Dr. Lum to 1 more medical group.
Does Dr. Paula Joy Lum accept Medicare?
Yes. CMS data shows Dr. Lum billed Medicare for 55 services in 2018, and Dr. Lum accepts Medicare assignment.
What is Dr. Paula Joy Lum's MIPS score?
Dr. Lum's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Is Dr. Paula Joy Lum board certified?
Yes. Dr. Lum is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Paula Joy Lum bill to Medicare?
In 2018, Dr. Lum's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Paula Joy Lum prescribe most?
In 2024 Medicare Part D data, Dr. Lum's most prescribed drugs by claims were Atorvastatin Calcium, Biktarvy and Tamsulosin HCl.
Has Dr. Paula Joy Lum received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Dr. Lum from 1 company from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Paula Joy Lum been practicing?
Dr. Lum graduated from medical school in 1993, 33 years ago.
Does Dr. Paula Joy Lum do research?
Dmand AI links 99 publications to Dr. Lum, published from 2002 to 2025. Dr. Lum has worked on 6 clinical trials.
Who does Dr. Paula Joy Lum publish with?
Dr. Lum's most frequent co-authors are Kimberly Ann Page, MD (35 shared papers), Judith Ihseen Tsui, MD (19 shared papers) and Judith Feinberg, MD (17 shared papers).
What insurance does Dr. Paula Joy Lum accept?
Dr. Lum is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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