Dr. Basuki K. Gunawan, MD

  • Bellflower, CA
  • Internist
NPI1346352473PAC ID4880678515
Medicare patients, 2024
20
Part D claims, 2024
1,061
Publications
5
Hospital affiliations
1
Medical group
1
Practice address
9400 Rosecrans Avenue, Bellflower, CA 90706
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD

Acute Care Hospital outpatient department · Bellflower, California

See all 5 affiliations

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Dr. Basuki K. Gunawan is an internist in Bellflower, California

Dr. Gunawan practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.

Dr. Gunawan's NPI, 1346352473, was assigned on August 31, 2006. Dr. Gunawan graduated from University of Sydney Faculty of Medicine in 1998. Dr. Gunawan holds California license A78609.

NPI and contact details
Medicare PAC ID
4880678515
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Basuki K. Gunawan practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California

Dr. Gunawan's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.

  • Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
    9400 Rosecrans Avenue, Bellflower, CA 90706

Source: Dmand AI Affiliation Data

Dr. Basuki K. Gunawan is affiliated with 4 sites of care and 1 medical group

Dr. Gunawan's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dr. Gunawan is also affiliated with Downey Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Gunawan to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Gunawan's employer is on file too: a hospital.

See all 5 affiliations for Dr. Gunawan

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Basuki K. Gunawan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gunawan practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPDAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Basuki K. Gunawan is one of 16,751 internists in California

Internal medicine is Dr. Gunawan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gunawan is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Gunawan's licenses on file in 2 states: California and Ohio.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A78609 · 2002 to 2026 · taxonomy 207R00000X
  • Ohio license2000 to 2002

Clinical focus

Dmand AI lists acid reflux among the conditions Dr. Gunawan treats.

Internists near Dr. Gunawan

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. Basuki K. Gunawan treated 20 Medicare patients in 2024, average age 65

CMS counts 20 Medicare patients who saw Dr. Gunawan in 2024. 70% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 1.67, 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. Gunawan's median patient age at 66, with 65% women.

Medicare patients, 202420
Average age65
Average risk score1.67

Chronic conditions among Dr. Gunawan's Medicare patients, 2024

  1. High cholesterol70%
  2. High blood pressure65%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gunawan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women65%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Basuki K. Gunawan wrote 1,061 Medicare Part D claims in 2024

In 2024, Dr. Gunawan wrote 1,061 Medicare Part D claims for 607 patients. 93% of them were for generic drugs. CMS names the drug for 906 of them, across 16 drugs with 11 or more claims each, at $89,535 in total drug cost. In 2023, CMS named 831 claims across 16 drugs.

Part D claims, 20241,061
Drugs named by CMS16
Total drug cost$89,535
Part D patients607

Dr. Gunawan's Part D claims by kind of drug, 2024

  • Generic982 claims93%
  • Brand-name79 claims7%

Dr. Gunawan'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. Gunawan's Part D claims, 2024

  • Antibiotics4%45 of 1,061 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: 8312024: 9069%

Drugs named by CMS: 16 in 2024, 16 in 2023.

See all prescribing by Dr. Gunawan

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. Basuki K. Gunawan takes part in Medicare

Dr. Gunawan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

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. Basuki K. Gunawan has 5 publications on record

Dmand AI links 5 papers to Dr. Gunawan in 2020. The most frequent topics are Acetaminophen, Alanine Transaminase and Blotting, Western. Dr. Gunawan's most frequent co-author is Neil Kaplowitz, MD.

Papers5

Topics Dr. Gunawan writes about most

  • Acetaminophen
  • Alanine Transaminase
  • Blotting, Western
  • Chemical and Drug Induced Liver Injury
  • Mice, Inbred C57BL

Dr. Gunawan's most frequent co-authors

  • Neil Kaplowitz, MD2 shared papers

Recent publications by Dr. Gunawan

See all 5 publications and co-authors

See who Dr. Gunawan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gunawan works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Basuki K. Gunawan has 1 award and honors on record

Dmand AI lists 1 award for Dr. Gunawan, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Gunawan

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Basuki K. Gunawan graduated from University of Sydney Faculty of Medicine

Dr. Gunawan graduated from University of Sydney Faculty of Medicine in 1998. Dr. Gunawan is a member of AGA.

  1. Medical schoolUniversity of Sydney Faculty of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Basuki K. Gunawan accepts plans from 1 insurance carrier

Dr. Gunawan 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. Basuki K. Gunawan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Basuki K. Gunawan

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. Basuki K. Gunawan's NPI number?

Dr. Basuki K. Gunawan's NPI number is 1346352473. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Basuki K. Gunawan?

Dr. Basuki K. Gunawan is an internist in Bellflower, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Basuki K. Gunawan practice?

Dr. Gunawan practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Gunawan's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Gunawan to 1 breast imaging center and 1 group practice or clinic.

What is Dr. Basuki K. Gunawan's medical license number?

Dr. Gunawan holds California license A78609, one of the licenses on file in 2 states.

Which states has Dr. Basuki K. Gunawan been licensed in?

Dmand AI has state licenses on file for Dr. Gunawan in California (2002 to 2026) and Ohio (2000 to 2002).

Which hospitals is Dr. Basuki K. Gunawan affiliated with?

Dr. Gunawan is affiliated with Downey Medical Center.

What medical group is Dr. Basuki K. Gunawan part of?

Dr. Gunawan is linked to Southern California Permanente Medical Group.

Does Dr. Basuki K. Gunawan accept Medicare?

Yes. CMS lists Dr. Gunawan as accepting Medicare assignment.

How many Medicare patients does Dr. Basuki K. Gunawan see?

CMS counts 20 Medicare patients who saw Dr. Gunawan in 2024, with an average age of 65.

Is Dr. Basuki K. Gunawan board certified?

Yes. Dr. Gunawan is board certified in gastroenterology by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

Where did Dr. Basuki K. Gunawan go to medical school?

Dr. Gunawan graduated from University of Sydney Faculty of Medicine in 1998.

What drugs does Dr. Basuki K. Gunawan prescribe most?

In 2024 Medicare Part D data, Dr. Gunawan's most prescribed drugs by claims were Gavilyte-C, Omeprazole and Mesalamine.

How long has Dr. Basuki K. Gunawan been practicing?

Dr. Gunawan graduated from medical school in 1998, 28 years ago.

Does Dr. Basuki K. Gunawan do research?

Dmand AI links 5 publications to Dr. Gunawan.

Who does Dr. Basuki K. Gunawan publish with?

Dr. Gunawan's most frequent co-authors are Neil Kaplowitz, MD (2 shared papers).

What insurance does Dr. Basuki K. Gunawan accept?

Dr. Gunawan 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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