Dr. Lawrence Chihyung Ku, MD
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 173
- Publications
- 10
- Hospital affiliations
- 1
- Industry payments
- $5,373
- Practice address
- 380 West MacArthur Boulevard, Oakland, CA 94609
- Practice phone
- Call (510) 251-0121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Addiction Medicine & Recovery Services at Oakland Medical Center
Outpatient Addiction Treatment · Oakland, California
Find Dr. Ku'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. Lawrence Chihyung Ku is a gastroenterologist in Oakland, California
Dr. Ku practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
Dr. Ku's NPI, 1912439266, was assigned on March 28, 2017. Dr. Ku graduated from Icahn School Of Medicine At Mount Sinai in 2017. Dr. Ku holds California license A157723.
- NPI
- 1912439266NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355701442
- NPI enumeration date
- March 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 251-0121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence Chihyung Ku practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California
Dr. Ku's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.
- Addiction Medicine & Recovery Services at Oakland Medical Center380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121
Source: Dmand AI Affiliation Data
Dr. Lawrence Chihyung Ku is affiliated with 3 sites of care and 1 medical group
Dr. Ku's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Ku is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ku to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lawrence Chihyung Ku's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ku practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Addiction Medicine & Recovery Services at Oakland Medical Center | 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. Lawrence Chihyung Ku is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Ku's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ku is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Ku is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Ku
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. Lawrence Chihyung Ku treated 17 Medicare patients in 2024, average age 71
CMS counts 17 Medicare patients who saw Dr. Ku in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ku's median patient age at 60, with 59% women.
Dr. Ku's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Ku's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ku's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence Chihyung Ku wrote 173 Medicare Part D claims in 2024
In 2024, Dr. Ku wrote 173 Medicare Part D claims for 105 patients. 79% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $2,486 in total drug cost. In 2023, CMS named 49 claims across 1 drug.
Dr. Ku's Part D claims by kind of drug, 2024
- Generic137 claims79%
- Brand-name36 claims21%
Dr. Ku'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. Ku's Part D claims, 2024
- Antibiotics9%16 of 173 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: 492024: 8369%
Drugs named by CMS: 4 in 2024, 1 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. Lawrence Chihyung Ku takes part in Medicare
Dr. Ku accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lawrence Chihyung Ku has 10 publications on record
Dmand AI links 10 papers to Dr. Ku, published from 2012 to 2021. 2019 was the busiest year, with 3. The most frequent topics are Antiviral Agents and Sofosbuvir. Dr. Ku has published most often in World J Gastrointest Endosc. Dr. Ku's most frequent co-authors are Viktor E. Eysselein, MD, Linda Ann Hou, MD and Sofiya Reicher, MD.
Dr. Ku's papers by year, 2012 to 2021
Topics Dr. Ku writes about most
- Antiviral Agents
- Sofosbuvir
Dr. Ku's most frequent co-authors
- Viktor E. Eysselein, MD5 shared papers
- Linda Ann Hou, MD5 shared papers
- Sofiya Reicher, MD5 shared papers
Recent publications by Dr. Ku
See who Dr. Ku researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ku 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. Lawrence Chihyung Ku received $5,373 in industry payments from 2019 to 2025
CMS Open Payments shows 175 general payments to Dr. Ku from 20 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $2,706.
General payments to Dr. Ku by program year, 2019 to 2025
Companies that paid Dr. Ku the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lawrence Chihyung Ku graduated from Icahn School Of Medicine At Mount Sinai
Dr. Ku graduated from Icahn School Of Medicine At Mount Sinai in 2017. Dr. Ku is a member of ACG, ACP, AGA, American Neurogastroenterology and Motility Society, ASGE and Crohn's and Colitis Foundation.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Lawrence Chihyung Ku accepts plans from 2 insurance carriers
Dr. Ku is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Ku accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lawrence Chihyung Ku'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 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 |
| 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. Lawrence Chihyung Ku
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. Lawrence Chihyung Ku's NPI number?
Dr. Lawrence Chihyung Ku's NPI number is 1912439266. It was assigned on March 28, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence Chihyung Ku?
Dr. Lawrence Chihyung Ku is a gastroenterologist in Oakland, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Lawrence Chihyung Ku practice?
Dr. Ku practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Ku's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dmand AI also links Dr. Ku to 1 group practice or clinic.
What is Dr. Lawrence Chihyung Ku's office phone number?
The practice phone on file for Dr. Ku is (510) 251-0121.
What is Dr. Lawrence Chihyung Ku's medical license number?
Dr. Ku holds California license A157723.
Which hospitals is Dr. Lawrence Chihyung Ku affiliated with?
Dr. Ku is affiliated with Oakland Medical Center.
What medical group is Dr. Lawrence Chihyung Ku part of?
Dr. Ku is linked to The Permanente Medical Group, Inc.
Does Dr. Lawrence Chihyung Ku accept Medicare?
Yes. CMS lists Dr. Ku as accepting Medicare assignment.
How many Medicare patients does Dr. Lawrence Chihyung Ku see?
CMS counts 17 Medicare patients who saw Dr. Ku in 2024, with an average age of 71.
Is Dr. Lawrence Chihyung Ku board certified?
Yes. Dr. Ku is board certified in gastroenterology by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
Where did Dr. Lawrence Chihyung Ku go to medical school?
Dr. Ku graduated from Icahn School Of Medicine At Mount Sinai in 2017.
What drugs does Dr. Lawrence Chihyung Ku prescribe most?
In 2024 Medicare Part D data, Dr. Ku's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Pantoprazole Sodium.
Has Dr. Lawrence Chihyung Ku received payments from drug or device companies?
CMS Open Payments shows $5,373 in general payments to Dr. Ku from 20 companies from 2019 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Lawrence Chihyung Ku been practicing?
Dr. Ku graduated from medical school in 2017, 9 years ago.
Does Dr. Lawrence Chihyung Ku do research?
Dmand AI links 10 publications to Dr. Ku, published from 2012 to 2021.
Who does Dr. Lawrence Chihyung Ku publish with?
Dr. Ku's most frequent co-authors are Viktor E. Eysselein, MD (5 shared papers), Linda Ann Hou, MD (5 shared papers) and Sofiya Reicher, MD (5 shared papers).
What insurance does Dr. Lawrence Chihyung Ku accept?
Dr. Ku is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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