Dr. Frances Hungyi Lu, MD
- Medicare services, 2024
- 849
- Medicare patients, 2024
- 504
- Part D claims, 2024
- 703
- Publications
- 4
- Hospital affiliations
- 4
- Practice address
- 1165 Montgomery Dr, Santa Rosa, CA 95405
- Practice phone
- Call (707) 525-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lu's professional email, personal email and mobile number
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Dr. Frances Hungyi Lu is a gastroenterologist in Santa Rosa, California
Dr. Lu practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services.
Dr. Lu's NPI, 1942445374, was assigned on December 15, 2008. Dr. Lu graduated from Jefferson Medical College of Thomas Jefferson University in 2002. Dr. Lu holds California license 101544.
- NPI
- 1942445374NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921294976
- NPI enumeration date
- December 15, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 525-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frances Hungyi Lu practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California
Dr. Lu's primary practice is Providence Santa Rosa Memorial Hospital, at 1165 Montgomery Dr, Santa Rosa, CA 95405 in Sonoma County. The practice phone is (707) 525-5300.
- Providence Santa Rosa Memorial Hospital1165 Montgomery Dr, Santa Rosa, CA 95405 · Sonoma CountyPhone(707) 525-5300
Source: Dmand AI Affiliation Data
Dr. Frances Hungyi Lu is affiliated with 6 sites of care and 2 medical groups
Dr. Lu's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services. Dr. Lu is also affiliated with Sonoma Valley Hospital. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Lu to 2 more hospitals, 2 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. Frances Hungyi Lu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lu practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Santa Rosa Memorial Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frances Hungyi Lu is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Lu's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lu is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Lu
Counts of gastroenterologists 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. Frances Hungyi Lu billed Medicare for 849 services in 2024
CMS data shows 849 Medicare services from Dr. Lu across 18 procedure codes in 2024, for 504 Medicare patients. Medicare paid $106,294 for them.
Dr. Lu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 5042024: 5001%
- Office and hospital visits
- 2023: 2662024: 2525%
- Other services
- 2023: 1082024: 9710%
Where Dr. Lu's Medicare services took place, 2024
- In an office9711%
- In a facility75289%
Dr. Lu compared with the California median for gastroenterologists, 2024
- Dr. Lu
- California median
- Medicare services
- 849vs 58645% above
- Medicare patients
- 504vs 30267% above
- Part D claims
- 550vs 38045% above
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Lu'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lu and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Frances Hungyi Lu treated 504 Medicare patients in 2024, average age 73
CMS counts 504 Medicare patients who saw Dr. Lu in 2024. The largest group is 65 to 74, with 253 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lu's median patient age at 69, with 60% women.
Dr. Lu's Medicare patients by age, 2024
Dr. Lu's Medicare patients by sex, 2024
- Women29759%
- Men20741%
Chronic conditions among Dr. Lu's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis45%
- Anxiety30%
- Mood disorders28%
- Ischemic heart disease27%
- Chronic kidney disease26%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Frances Hungyi Lu wrote 703 Medicare Part D claims in 2024
In 2024, Dr. Lu wrote 703 Medicare Part D claims for 367 patients. 80% of them were for generic drugs. CMS names the drug for 550 of them, across 16 drugs with 11 or more claims each, at $333,217 in total drug cost. In 2023, CMS named 563 claims across 12 drugs.
Dr. Lu's Part D claims by kind of drug, 2024
- Generic565 claims80%
- Brand-name and other138 claims20%
Dr. Lu'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. Lu's Part D claims, 2024
- Antibiotics5%33 of 703 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: 5632024: 5502%
Drugs named by CMS: 16 in 2024, 12 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. Frances Hungyi Lu ranks in the 93rd percentile for colonoscopy in Medicare
Dr. Lu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lu as offering telehealth. CMS counts 199 procedures of colonoscopy by Dr. Lu, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Lu ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 92nd percentile229 procedures
- Colonoscopy
- 93rd percentile199 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Frances Hungyi Lu has 4 publications on record
Dmand AI links 4 papers to Dr. Lu, published from 2016 to 2024. The most frequent topics are Crystallography, X-Ray, Models, Molecular and Molecular Docking Simulation. Dr. Lu's most frequent co-author is Xun Zhao, MD.
Dr. Lu's papers by year, 2016 to 2024
Topics Dr. Lu writes about most
- Crystallography, X-Ray
- Models, Molecular
- Molecular Docking Simulation
Dr. Lu's most frequent co-authors
Recent publications by Dr. Lu
Nat Commun
Computationally Designed Bispecific Antibodies using Negative State Repertoires (opens in a new tab)
Structure
See who Dr. Lu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lu works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Frances Hungyi Lu received $4,823 in industry payments from 2017 to 2025
CMS Open Payments shows 156 general payments to Dr. Lu from 16 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $2,613.
General payments to Dr. Lu by program year, 2017 to 2025
Companies that paid Dr. Lu the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Frances Hungyi Lu graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Lu graduated from Jefferson Medical College of Thomas Jefferson University in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frances Hungyi Lu'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)Doctors and Clinicians Utilization Data (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 |
| Industry payments | Open Payments (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. Frances Hungyi Lu
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. Frances Hungyi Lu's NPI number?
Dr. Frances Hungyi Lu's NPI number is 1942445374. It was assigned on December 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Frances Hungyi Lu?
Dr. Frances Hungyi Lu is a gastroenterologist in Santa Rosa, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Frances Hungyi Lu practice?
Dr. Lu practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. Dr. Lu's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services. Dmand AI also links Dr. Lu to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Frances Hungyi Lu's office phone number?
The practice phone on file for Dr. Lu is (707) 525-5300.
What is Dr. Frances Hungyi Lu's medical license number?
Dr. Lu holds California license 101544.
Which hospitals is Dr. Frances Hungyi Lu affiliated with?
Dr. Lu practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California. Dr. Lu is also affiliated with Sonoma Valley Hospital. Dmand AI links Dr. Lu to 2 more hospitals.
What medical group is Dr. Frances Hungyi Lu part of?
Dr. Lu is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Lu to 1 more medical group.
Does Dr. Frances Hungyi Lu accept Medicare?
Yes. CMS data shows Dr. Lu billed Medicare for 849 services in 2024, and Dr. Lu accepts Medicare assignment.
Does Dr. Frances Hungyi Lu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lu as offering telehealth services.
How many Medicare patients does Dr. Frances Hungyi Lu see?
CMS counts 504 Medicare patients who saw Dr. Lu in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Frances Hungyi Lu bill to Medicare?
In 2024, Dr. Lu's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and hospital inpatient care (99223).
Where did Dr. Frances Hungyi Lu go to medical school?
Dr. Lu graduated from Jefferson Medical College of Thomas Jefferson University in 2002.
What drugs does Dr. Frances Hungyi Lu prescribe most?
In 2024 Medicare Part D data, Dr. Lu's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Pantoprazole Sodium.
Has Dr. Frances Hungyi Lu received payments from drug or device companies?
CMS Open Payments shows $4,823 in general payments to Dr. Lu from 16 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Frances Hungyi Lu been practicing?
Dr. Lu graduated from medical school in 2002, 24 years ago.
Does Dr. Frances Hungyi Lu do research?
Dmand AI links 4 publications to Dr. Lu, published from 2016 to 2024.
Who does Dr. Frances Hungyi Lu publish with?
Dr. Lu's most frequent co-authors are Xun Zhao, MD (1 shared paper).
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