Dr. Carol Sumi Murakami, MD
- Medicare services, 2021
- 61
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 429
- Publications
- 12
- Hospital affiliations
- 1
- Practice address
- 25825 South Vermont Avenue, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Murakami'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. Carol Sumi Murakami is a gastroenterologist in Harbor City, California
Dr. Murakami practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
Dr. Murakami's NPI, 1821085390, was assigned on September 30, 2005. Dr. Murakami graduated from Loyola University Chicago Stritch School of Medicine in 1985. Dr. Murakami's Oregon license number on file is CP204540.
- NPI
- 1821085390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961580972
- NPI enumeration date
- September 30, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carol Sumi Murakami practices at Kaiser Permanente South Bay Medical Center in Harbor City, California
Dr. Murakami's primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Kaiser Permanente South Bay Medical Center25825 South Vermont Avenue, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Source: Dmand AI Affiliation Data
Dr. Carol Sumi Murakami is affiliated with 2 sites of care and 4 medical groups
Dr. Murakami's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Murakami to 3 more medical groups and 1 group practice or clinic, 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. Carol Sumi Murakami's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Murakami practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Bay Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carol Sumi Murakami is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Murakami's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Murakami is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Murakami's licenses on file in 5 states: Oregon, California, Washington, Illinois and Texas.
Specialties and state licenses
- Gastroenterology, OregonPrimary
- California license
- Washington license
- Illinois license
- Texas license
Gastroenterologists near Dr. Murakami
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. Carol Sumi Murakami billed Medicare for 61 services in 2021
CMS data shows 61 Medicare services from Dr. Murakami across 3 procedure codes in 2021, for 11 Medicare patients. Medicare paid $6,576 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Murakami's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Surgery
- 2020: 2632021: 4782%
- Office and hospital visits
- 2020: 3352021: 1496%
- Other services
- 2020: 362021: 0100%
Dr. Murakami compared with the California median for gastroenterologists, 2021
- Dr. Murakami
- California median
- Medicare services
- 61vs 58690% below
- Medicare patients
- 11vs 30296% below
- Part D claims
- 306vs 38019% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Murakami's most billed Medicare procedure codes, 2021
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. Murakami and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carol Sumi Murakami treated 11 Medicare patients in 2024, average age 69
CMS counts 11 Medicare patients who saw Dr. Murakami in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.97, 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. Murakami's median patient age at 58, with 57% women.
Dr. Murakami's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Murakami's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carol Sumi Murakami wrote 429 Medicare Part D claims in 2024
In 2024, Dr. Murakami wrote 429 Medicare Part D claims for 160 patients. 91% of them were for generic drugs. CMS names the drug for 306 of them, across 7 drugs with 11 or more claims each, at $15,674 in total drug cost. In 2023, CMS named 210 claims across 8 drugs.
Dr. Murakami's Part D claims by kind of drug, 2024
- Generic392 claims91%
- Brand-name37 claims9%
Dr. Murakami'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: 2102024: 30646%
Drugs named by CMS: 7 in 2024, 8 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. Carol Sumi Murakami takes part in Medicare
Dr. Murakami 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. Carol Sumi Murakami has 12 publications on record
Dmand AI links 12 papers to Dr. Murakami in 2002. The most frequent topics are Graft vs Host Disease, Hematopoietic Stem Cell Transplantation and Bilirubin. Dr. Murakami has published most often in Am J Gastroenterol. Dr. Murakami's most frequent co-authors are William Martens Lee, MD, George Allen Moninger, MD and Joseph Harry Antin, MD.
Topics Dr. Murakami writes about most
- Graft vs Host Disease
- Hematopoietic Stem Cell Transplantation
- Bilirubin
- Bone Marrow Transplantation
- Cholestasis
- Corneal Ulcer
- Eye Infections, Viral
- Gastrointestinal Hemorrhage
Dr. Murakami's most frequent co-authors
- William Martens Lee, MD2 shared papers
- George Allen Moninger, MD2 shared papers
- Joseph Harry Antin, MD1 shared paper
Recent publications by Dr. Murakami
Am J Gastroenterol
See who Dr. Murakami researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Murakami 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. Carol Sumi Murakami received $5,241 in industry payments from 2016 to 2024
CMS Open Payments shows 34 general payments to Dr. Murakami from 11 drug and device companies from 2016 to 2024. Education speaker fees make up the largest share, 57% of the total. Valeant Pharmaceuticals International paid the most, $3,904. It also lists 2 research payments totaling $24,506 from 2017 to 2018.
General payments to Dr. Murakami by program year, 2016 to 2024
General payments to Dr. Murakami by kind, 2016 to 2024
- Education speaker fees$3,00057%
- Food and beverage$1,47828%
- Travel and lodging$76315%
Companies that paid Dr. Murakami 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. Carol Sumi Murakami has 1 award and honors on record
Dmand AI lists 1 award for Dr. Murakami, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Murakami
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Carol Sumi Murakami graduated from Loyola University Chicago Stritch School of Medicine
Dr. Murakami graduated from Loyola University Chicago Stritch School of Medicine in 1985.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Carol Sumi Murakami accepts plans from 3 insurance carriers
Dr. Murakami is in network with 3 carriers, including Molina, AK State Medicaid and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Molina
- AK State Medicaid
- CMS Medicare
Plan types Dr. Murakami accepts, by number of carriers
- Medicare2
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Carol Sumi Murakami'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Carol Sumi Murakami
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. Carol Sumi Murakami's NPI number?
Dr. Carol Sumi Murakami's NPI number is 1821085390. It was assigned on September 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Carol Sumi Murakami?
Dr. Carol Sumi Murakami is a gastroenterologist in Harbor City, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Carol Sumi Murakami practice?
Dr. Murakami practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Dr. Murakami's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. Dmand AI also links Dr. Murakami to 3 medical groups and 1 group practice or clinic.
What is Dr. Carol Sumi Murakami's office phone number?
The practice phone on file for Dr. Murakami is (310) 325-5111.
What is Dr. Carol Sumi Murakami's medical license number?
Dr. Murakami's Oregon license number on file is CP204540, one of the licenses on file in 5 states.
Which states has Dr. Carol Sumi Murakami been licensed in?
Dmand AI has state licenses on file for Dr. Murakami in Oregon (2021 to 2023), California (1986 to 2026), Washington (1988 to 2026), Illinois (2020 to 2023) and Texas (1993 to 2022).
Which hospitals is Dr. Carol Sumi Murakami affiliated with?
Dr. Murakami practices at Kaiser Permanente South Bay Medical Center in Harbor City, California.
What medical group is Dr. Carol Sumi Murakami part of?
Dr. Murakami is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Murakami to 3 more medical groups.
Does Dr. Carol Sumi Murakami accept Medicare?
Yes. CMS data shows Dr. Murakami billed Medicare for 61 services in 2021, and Dr. Murakami accepts Medicare assignment.
How many Medicare patients does Dr. Carol Sumi Murakami see?
CMS counts 11 Medicare patients who saw Dr. Murakami in 2024, with an average age of 69.
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Is Dr. Carol Sumi Murakami board certified?
Yes. Dr. Murakami is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Carol Sumi Murakami bill to Medicare?
In 2021, Dr. Murakami's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (43239) and office visit, new patient (99203).
Where did Dr. Carol Sumi Murakami go to medical school?
Dr. Murakami graduated from Loyola University Chicago Stritch School of Medicine in 1985.
What drugs does Dr. Carol Sumi Murakami prescribe most?
In 2024 Medicare Part D data, Dr. Murakami's most prescribed drugs by claims were Gavilyte-C, Pantoprazole Sodium and Omeprazole.
Has Dr. Carol Sumi Murakami received payments from drug or device companies?
CMS Open Payments shows $5,241 in general payments to Dr. Murakami from 11 companies from 2016 to 2024. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Carol Sumi Murakami been practicing?
Dr. Murakami graduated from medical school in 1985, 41 years ago.
Does Dr. Carol Sumi Murakami do research?
Dmand AI links 12 publications to Dr. Murakami.
Who does Dr. Carol Sumi Murakami publish with?
Dr. Murakami's most frequent co-authors are William Martens Lee, MD (2 shared papers), George Allen Moninger, MD (2 shared papers) and Joseph Harry Antin, MD (1 shared paper).
What insurance does Dr. Carol Sumi Murakami accept?
Dr. Murakami is in network with 3 carriers, including Molina, AK State Medicaid and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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