Dr. Susan Kit-Sum Chu, MD
- Medicare services, 2024
- 653
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 398
- Publications
- 1
- MIPS score, 2024
- 89
- Practice address
- 5651 Copley Dr, San Diego, CA 92111
- Practice phone
- Call (858) 262-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sharp Rees-Stealy Medical Group, Inc
San Diego, California
Find Dr. Chu'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. Susan Kit-Sum Chu is a gastroenterologist in San Diego, California
Dr. Chu practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California.
Dr. Chu's NPI, 1033127162, was assigned on August 4, 2006. Dr. Chu graduated from Medical College Of Wisconsin in 1998. Dr. Chu holds California license A71982.
- NPI
- 1033127162NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315907425
- NPI enumeration date
- August 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (858) 262-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Susan Kit-Sum Chu practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California
Dr. Chu's primary practice is Sharp Rees-Stealy Medical Group, Inc, at 5651 Copley Dr, San Diego, CA 92111 in San Diego County. The practice phone is (858) 262-6666.
- Sharp Rees-Stealy Medical Group, Inc5651 Copley Dr, San Diego, CA 92111 · San Diego CountyPhone(858) 262-6666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Susan Kit-Sum Chu is affiliated with 3 sites of care and 1 medical group
Dr. Chu's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dr. Chu is also affiliated with Sharp Memorial Hospital. The medical group on file is Sharp Rees-Stealy Medical Group. Dmand AI also links Dr. Chu to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Susan Kit-Sum Chu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Rees-Stealy Medical Group, Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Susan Kit-Sum Chu is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Chu's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chu is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Chu is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, fatty liver, gastroduodenitis and intestinal diverticulosis among the conditions Dr. Chu treats.
Gastroenterologists near Dr. Chu
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. Susan Kit-Sum Chu billed Medicare for 653 services in 2024
CMS data shows 653 Medicare services from Dr. Chu across 7 procedure codes in 2024, for 101 Medicare patients. Medicare paid $28,249 for them. Every service was in an office.
Dr. Chu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 6112024: 42331%
- Tests and treatments
- 2023: 1522024: 9140%
- Other services
- 2023: 832024: 6423%
- Surgery
- 2023: 802024: 6025%
- Office and hospital visits
- 2023: 712024: 1579%
Dr. Chu compared with the California median for gastroenterologists, 2024
- Dr. Chu
- California median
- Medicare services
- 653vs 58611% above
- Medicare patients
- 101vs 30267% below
- Part D claims
- 287vs 38024% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Chu'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.
Need commercial claims for Dr. Chu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chu and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Susan Kit-Sum Chu treated 101 Medicare patients in 2024, average age 73
CMS counts 101 Medicare patients who saw Dr. Chu in 2024. The largest group is 65 to 74, with 56 patients. 64% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chu's median patient age at 63, with 60% women.
Dr. Chu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chu's Medicare patients by sex, 2024
- Women5554%
- Men4646%
Chronic conditions among Dr. Chu's Medicare patients, 2024
- High cholesterol64%
- High blood pressure59%
- Arthritis42%
- Diabetes29%
- Chronic kidney disease24%
- Anxiety22%
- Depression20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
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. Susan Kit-Sum Chu wrote 398 Medicare Part D claims in 2024
In 2024, Dr. Chu wrote 398 Medicare Part D claims for 111 patients. 80% of them were for generic drugs. CMS names the drug for 287 of them, across 13 drugs with 11 or more claims each, at $74,177 in total drug cost. In 2023, CMS named 344 claims across 16 drugs.
Dr. Chu's Part D claims by kind of drug, 2024
- Generic319 claims80%
- Brand-name79 claims20%
Dr. Chu'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3442024: 28717%
Drugs named by CMS: 13 in 2024, 16 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. Susan Kit-Sum Chu scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Chu for performance year 2024, reported as part of a group. Dr. Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chu as offering telehealth. CMS counts 64 procedures of colonoscopy by Dr. Chu, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chu's MIPS scores, performance year 2024
- 89of 100Final score
- 81of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chu ranks in Medicare procedure volume
- Colonoscopy
- 69th percentile64 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 55th percentile30 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Susan Kit-Sum Chu has 1 publication on record
Dmand AI links 1 paper to Dr. Chu. Dr. Chu's most frequent co-author is Felix W. Leung, MD.
Dr. Chu's most frequent co-authors
- Felix W. Leung, MD1 shared paper
Recent publications by Dr. Chu
See who Dr. Chu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chu 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. Susan Kit-Sum Chu received $1,625 in industry payments from 2016 to 2024
CMS Open Payments shows 18 general payments to Dr. Chu from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $453.
General payments to Dr. Chu by program year, 2016 to 2024
Companies that paid Dr. Chu the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Susan Kit-Sum Chu graduated from Medical College Of Wisconsin
Dr. Chu graduated from Medical College Of Wisconsin in 1998.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Susan Kit-Sum Chu accepts plans from 6 insurance carriers
Dr. Chu is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Chu accepts, by number of carriers
- HMO4
- POS4
- Medicare3
- EPO2
- PPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Susan Kit-Sum Chu'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Susan Kit-Sum Chu
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. Susan Kit-Sum Chu's NPI number?
Dr. Susan Kit-Sum Chu's NPI number is 1033127162. It was assigned on August 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Susan Kit-Sum Chu?
Dr. Susan Kit-Sum Chu is a gastroenterologist in San Diego, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Susan Kit-Sum Chu practice?
Dr. Chu practices at 5651 Copley Dr, San Diego, CA 92111. Dr. Chu's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dmand AI also links Dr. Chu to 1 group practice or clinic.
What is Dr. Susan Kit-Sum Chu's office phone number?
The practice phone on file for Dr. Chu is (858) 262-6666.
What is Dr. Susan Kit-Sum Chu's medical license number?
Dr. Chu holds California license A71982.
Which hospitals is Dr. Susan Kit-Sum Chu affiliated with?
Dr. Chu is affiliated with Sharp Memorial Hospital.
What medical group is Dr. Susan Kit-Sum Chu part of?
Dr. Chu is linked to Sharp Rees-Stealy Medical Group.
Does Dr. Susan Kit-Sum Chu accept Medicare?
Yes. CMS data shows Dr. Chu billed Medicare for 653 services in 2024, and Dr. Chu accepts Medicare assignment.
Does Dr. Susan Kit-Sum Chu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chu as offering telehealth services.
What is Dr. Susan Kit-Sum Chu's MIPS score?
Dr. Chu's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Susan Kit-Sum Chu see?
CMS counts 101 Medicare patients who saw Dr. Chu in 2024, with an average age of 73.
Is Dr. Susan Kit-Sum Chu board certified?
Yes. Dr. Chu is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Susan Kit-Sum Chu bill to Medicare?
In 2024, Dr. Chu's most billed Medicare services were injected or infused drug (J2250), special service (99153) and medicare service (G0500).
Where did Dr. Susan Kit-Sum Chu go to medical school?
Dr. Chu graduated from Medical College Of Wisconsin in 1998.
What drugs does Dr. Susan Kit-Sum Chu prescribe most?
In 2024 Medicare Part D data, Dr. Chu's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Vemlidy.
Has Dr. Susan Kit-Sum Chu received payments from drug or device companies?
CMS Open Payments shows $1,625 in general payments to Dr. Chu from 8 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Susan Kit-Sum Chu been practicing?
Dr. Chu graduated from medical school in 1998, 28 years ago.
Does Dr. Susan Kit-Sum Chu do research?
Dmand AI links 1 publication to Dr. Chu.
Who does Dr. Susan Kit-Sum Chu publish with?
Dr. Chu's most frequent co-authors are Felix W. Leung, MD (1 shared paper).
What insurance does Dr. Susan Kit-Sum Chu accept?
Dr. Chu is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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