Dr. John S. Chou, MD
- Medicare services, 2024
- 147
- Medicare patients, 2024
- 130
- Part D claims, 2024
- 257
- Hospital affiliations
- 1
- Industry payments
- $53
- Practice address
- 1333 Chestnut Ave., Long Beach, CA 90813
- Practice phone
- Call (562) 753-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Long Beach Comprehensive Health Center
Mammography / Breast Imaging Center · Long Beach, California
Find Dr. Chou'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. John S. Chou is a family medicine physician in Long Beach, California
Dr. Chou practices at Long Beach Comprehensive Health Center in Long Beach, California.
Dr. Chou's NPI, 1215965637, was assigned on June 28, 2006. Dr. Chou graduated from University of Illinois College of Medicine - Chicago in 1987. Dr. Chou holds California license G064291.
- NPI
- 1215965637NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698796340
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 753-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John S. Chou practices at Long Beach Comprehensive Health Center in Long Beach, California
Dr. Chou's primary practice is Long Beach Comprehensive Health Center, at 1333 Chestnut Ave., Long Beach, CA 90813. The practice phone is (562) 753-2440.
- Long Beach Comprehensive Health Center1333 Chestnut Ave., Long Beach, CA 90813Phone(562) 753-2440
Source: Dmand AI Affiliation Data
Dr. John S. Chou is affiliated with 3 sites of care and 1 medical group
Dr. Chou's primary practice is Long Beach Comprehensive Health Center in Long Beach, California. Dr. Chou is also affiliated with Harbor-UCLA Medical Center. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Chou to 1 more group practice or clinic, named with a free account. Dr. Chou's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John S. Chou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chou practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Long Beach Comprehensive Health 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. John S. Chou is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chou's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Chou's licenses on file in 2 states: California and North Carolina.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- North Carolina license
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, ankle or foot injury, chronic diabetes, chronic obstructive pulmonary disease (COPD), conjunctivitis, ear infection and gastrointestinal bleeding among the conditions Dr. Chou treats.
Family medicine physicians near Dr. Chou
Counts of family medicine physicians 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. John S. Chou billed Medicare for 147 services in 2024
CMS data shows 147 Medicare services from Dr. Chou across 3 procedure codes in 2024, for 130 Medicare patients. Medicare paid $5,636 for them. Every service was in an office.
Dr. Chou's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1302024: 1343%
- Lab and pathology
- 2023: 182024: 1328%
Dr. Chou compared with the California median for family medicine physicians, 2024
- Dr. Chou
- California median
- Medicare services
- 147vs 24640% below
- Medicare patients
- 130vs 11810% above
- Part D claims
- 75vs 83391% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Chou'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.
Need commercial claims for Dr. Chou?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chou and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John S. Chou treated 130 Medicare patients in 2024, average age 70
CMS counts 130 Medicare patients who saw Dr. Chou in 2024. The largest group is 65 to 74, with 96 patients. 72% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chou's median patient age at 52, with 60% women.
Dr. Chou's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chou's Medicare patients by sex, 2024
- Women7155%
- Men5945%
Chronic conditions among Dr. Chou's Medicare patients, 2024
- High blood pressure72%
- High cholesterol65%
- Diabetes37%
- Arthritis35%
- Chronic kidney disease25%
- Tobacco use18%
- Depression14%
- Mood disorders14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John S. Chou wrote 257 Medicare Part D claims in 2024
In 2024, Dr. Chou wrote 257 Medicare Part D claims for 109 patients. 92% of them were for generic drugs. CMS names the drug for 75 of them, across 5 drugs with 11 or more claims each, at $251 in total drug cost. In 2023, CMS named 45 claims across 3 drugs.
Dr. Chou's Part D claims by kind of drug, 2024
- Generic236 claims92%
- Brand-name21 claims8%
Dr. Chou'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. Chou's Part D claims, 2024
- Antibiotics23%59 of 257 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: 452024: 7567%
Drugs named by CMS: 5 in 2024, 3 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. John S. Chou offers telehealth to Medicare patients
Dr. Chou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chou as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John S. Chou received $53 in industry payments from 2016 to 2021
CMS Open Payments shows 4 general payments to Dr. Chou from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $26.
General payments to Dr. Chou by program year, 2016 to 2021
Companies that paid Dr. Chou the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John S. Chou graduated from University of Illinois College of Medicine - Chicago
Dr. Chou graduated from University of Illinois College of Medicine - Chicago in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John S. Chou accepts plans from 1 insurance carrier
Dr. Chou 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. John S. Chou'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) |
| 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. John S. Chou
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. John S. Chou's NPI number?
Dr. John S. Chou's NPI number is 1215965637. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Chou?
Dr. John S. Chou is a family medicine physician in Long Beach, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John S. Chou practice?
Dr. Chou practices at 1333 Chestnut Ave., Long Beach, CA 90813. Dr. Chou's primary practice is Long Beach Comprehensive Health Center in Long Beach, California. Dmand AI also links Dr. Chou to 1 group practice or clinic.
What is Dr. John S. Chou's office phone number?
The practice phone on file for Dr. Chou is (562) 753-2440.
What is Dr. John S. Chou's medical license number?
Dr. Chou holds California license G064291, one of the licenses on file in 2 states.
Which states has Dr. John S. Chou been licensed in?
Dmand AI has state licenses on file for Dr. Chou in California (1988 to 2026) and North Carolina (since 2024).
Which hospitals is Dr. John S. Chou affiliated with?
Dr. Chou is affiliated with Harbor-UCLA Medical Center.
What medical group is Dr. John S. Chou part of?
Dr. Chou is linked to Harbor-UCLA Medical Center.
Does Dr. John S. Chou accept Medicare?
Yes. CMS data shows Dr. Chou billed Medicare for 147 services in 2024, and Dr. Chou accepts Medicare assignment.
Does Dr. John S. Chou offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chou as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. John S. Chou see?
CMS counts 130 Medicare patients who saw Dr. Chou in 2024, with an average age of 70.
What services does Dr. John S. Chou bill to Medicare?
In 2024, Dr. Chou's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and lab and pathology test (81000).
Where did Dr. John S. Chou go to medical school?
Dr. Chou graduated from University of Illinois College of Medicine - Chicago in 1987.
What drugs does Dr. John S. Chou prescribe most?
In 2024 Medicare Part D data, Dr. Chou's most prescribed drugs by claims were Diclofenac Sodium, Azithromycin and Ciprofloxacin HCl.
Has Dr. John S. Chou received payments from drug or device companies?
CMS Open Payments shows $53 in general payments to Dr. Chou from 3 companies from 2016 to 2021. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John S. Chou been practicing?
Dr. Chou graduated from medical school in 1987, 39 years ago.
What insurance does Dr. John S. Chou accept?
Dr. Chou 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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