Dr. Ted S. Chen, MD
- Medicare services, 2024
- 19
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 6,822
- Industry payments
- $240
- Affiliated sites
- 3
- 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. Chen'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. Ted S. Chen is an internist in Bellflower, California
Dr. Chen practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Chen's NPI, 1548312853, was assigned on January 17, 2007. Dr. Chen graduated from UC Irvine School of Medicine in 1993. Dr. Chen holds California license G81384.
- NPI
- 1548312853NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163601485
- NPI enumeration date
- January 17, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ted S. Chen practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Chen'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. Ted S. Chen is affiliated with 3 sites of care and 1 medical group
Dr. Chen'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. Chen to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Chen's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ted S. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen 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. Ted S. Chen is one of 16,751 internists in California
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists bronchitis and chronic diabetes among the conditions Dr. Chen treats.
Internists near Dr. Chen
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. Ted S. Chen billed Medicare for 19 services in 2024
CMS data shows 19 Medicare services from Dr. Chen across 1 procedure code in 2024, all of them office visits, for 18 Medicare patients. Medicare paid $1,375 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 152024: 1927%
Dr. Chen compared with the California median for internists, 2024
- Dr. Chen
- California median
- Medicare services
- 19vs 36195% below
- Medicare patients
- 18vs 15188% below
- Part D claims
- 6,222vs 42114.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ted S. Chen treated 18 Medicare patients in 2024, average age 65
CMS counts 18 Medicare patients who saw Dr. Chen in 2024. 67% of them have high blood pressure, and 61% have high cholesterol. Their average risk score is 1.62, 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. Chen's median patient age at 55, with 56% women.
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure67%
- High cholesterol61%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ted S. Chen wrote 6,822 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 6,822 Medicare Part D claims for 621 patients. 85% of them were for generic drugs. CMS names the drug for 6,222 of them, across 96 drugs with 11 or more claims each, at $547,359 in total drug cost. In 2023, CMS named 5,624 claims across 93 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic5,812 claims85%
- Brand-name862 claims13%
- Other148 claims2%
Dr. Chen'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. Chen's Part D claims, 2024
- Opioids2%124 of 6,822 claims
- Antibiotics2%120 of 6,822 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: 5,6242024: 6,22211%
Drugs named by CMS: 96 in 2024, 93 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. Ted S. Chen offers telehealth to Medicare patients
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ted S. Chen received $240 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Chen from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. ACADIA Pharmaceuticals Inc paid the most, $240.
Companies that paid Dr. Chen the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ted S. Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen.
Awards and honors for Dr. Chen
- Undated
- Bridges to Excellence
Source: Dmand AI Professional Profile Data
Dr. Ted S. Chen graduated from UC Irvine School of Medicine
Dr. Chen graduated from UC Irvine School of Medicine in 1993.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ted S. Chen accepts plans from 1 insurance carrier
Dr. Chen 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. Ted S. Chen'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 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) |
| 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. Ted S. Chen
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. Ted S. Chen's NPI number?
Dr. Ted S. Chen's NPI number is 1548312853. It was assigned on January 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ted S. Chen?
Dr. Ted S. Chen is an internist in Bellflower, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ted S. Chen practice?
Dr. Chen practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Chen's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Chen to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Ted S. Chen's medical license number?
Dr. Chen holds California license G81384.
What medical group is Dr. Ted S. Chen part of?
Dr. Chen is linked to Southern California Permanente Medical Group.
Does Dr. Ted S. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 19 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Ted S. Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
How many Medicare patients does Dr. Ted S. Chen see?
CMS counts 18 Medicare patients who saw Dr. Chen in 2024, with an average age of 65.
Is Dr. Ted S. Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ted S. Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. Ted S. Chen go to medical school?
Dr. Chen graduated from UC Irvine School of Medicine in 1993.
What drugs does Dr. Ted S. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Ted S. Chen received payments from drug or device companies?
CMS Open Payments shows $240 in general payments to Dr. Chen from 1 company from 2017 to 2017. The largest total came from ACADIA Pharmaceuticals Inc.
How long has Dr. Ted S. Chen been practicing?
Dr. Chen graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Ted S. Chen accept?
Dr. Chen 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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