Dr. Benjamin Winarko, MD
- Part D claims, 2024
- 4,808
- Affiliated sites
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, California
Find Dr. Winarko'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. Benjamin Winarko is an internist in Bellflower, California
Dr. Winarko practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Winarko's NPI, 1811255185, was assigned on April 24, 2012. Dr. Winarko graduated from Loma Linda University School of Medicine in 2009. Dr. Winarko holds California license A115005.
- NPI
- 1811255185NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315257144
- NPI enumeration date
- April 24, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Winarko practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Winarko'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 - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Dr. Benjamin Winarko is affiliated with 3 sites of care and 1 medical group
Dr. Winarko's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Winarko to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Winarko's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Benjamin Winarko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winarko practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | 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. Benjamin Winarko is one of 16,751 internists in California
Internal medicine is Dr. Winarko's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Winarko is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Winarko
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. Benjamin Winarko's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Winarko's median patient age at 54, with 55% women.
Dr. Winarko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Benjamin Winarko wrote 4,808 Medicare Part D claims in 2024
In 2024, Dr. Winarko wrote 4,808 Medicare Part D claims for 743 patients. 90% of them were for generic drugs. CMS names the drug for 4,357 of them, across 77 drugs with 11 or more claims each, at $178,786 in total drug cost. In 2023, CMS named 4,311 claims across 82 drugs.
Dr. Winarko's Part D claims by kind of drug, 2024
- Generic4,351 claims90%
- Brand-name397 claims8%
- Other60 claims1%
Dr. Winarko'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. Winarko's Part D claims, 2024
- Opioids2%80 of 4,808 claims
- Antibiotics2%96 of 4,808 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: 4,3112024: 4,3571%
Drugs named by CMS: 77 in 2024, 82 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. Benjamin Winarko takes part in Medicare
Dr. Winarko accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Benjamin Winarko graduated from Loma Linda University School of Medicine
Dr. Winarko graduated from Loma Linda University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin Winarko'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Benjamin Winarko
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. Benjamin Winarko's NPI number?
Dr. Benjamin Winarko's NPI number is 1811255185. It was assigned on April 24, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Winarko?
Dr. Benjamin Winarko is an internist in Bellflower, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Benjamin Winarko practice?
Dr. Winarko practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Winarko's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Winarko to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Benjamin Winarko's medical license number?
Dr. Winarko holds California license A115005.
What medical group is Dr. Benjamin Winarko part of?
Dr. Winarko is linked to Southern California Permanente Medical Group.
Does Dr. Benjamin Winarko accept Medicare?
Yes. CMS lists Dr. Winarko as accepting Medicare assignment.
Where did Dr. Benjamin Winarko go to medical school?
Dr. Winarko graduated from Loma Linda University School of Medicine in 2009.
What drugs does Dr. Benjamin Winarko prescribe most?
In 2024 Medicare Part D data, Dr. Winarko's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Benjamin Winarko been practicing?
Dr. Winarko graduated from medical school in 2009, 17 years ago.
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