Dr. David Chim, DO
- Medicare services, 2024
- 145
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 977
- Clinical trials
- 1
- Industry payments
- $1,269
- Practice address
- 925 S Garfield Ave, Alhambra, CA 91801
- Practice phone
- Call (626) 282-0282
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AMG, a Professional Medical Corporation
Alhambra, California
Find Dr. Chim'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. David Chim is a family medicine physician in Alhambra, California
Dr. Chim practices at AMG, a Professional Medical Corporation in Alhambra, California.
Dr. Chim's NPI, 1346306388, was assigned on December 27, 2006. Dr. Chim graduated from WesternU College of Osteopathic Medicine of the Pacific in 2003. Dr. Chim holds California license 20A9135.
- NPI
- 1346306388NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961756465
- NPI enumeration date
- December 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 282-0282
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Chim practices at AMG, a Professional Medical Corporation in Alhambra, California
Dr. Chim's primary practice is AMG, a Professional Medical Corporation, at 925 S Garfield Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (626) 282-0282.
- AMG, a Professional Medical Corporation925 S Garfield Ave, Alhambra, CA 91801 · Los Angeles CountyPhone(626) 282-0282
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Chim is affiliated with 3 sites of care and 2 medical groups
Dr. Chim's primary practice is AMG, a Professional Medical Corporation in Alhambra, California. The medical group on file is AMG Medical Group. Dmand AI also links Dr. Chim to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Chim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chim practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AMG, a Professional Medical Corporation | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Chim is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chim's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chim is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic anemia, chronic diabetes, chronic hypertension, chronic kidney disease, enlarged prostate, fibromyalgia and chronic pain, heart failure and heart valve disorders among the conditions Dr. Chim treats.
Family medicine physicians near Dr. Chim
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. David Chim billed Medicare for 145 services in 2024
CMS data shows 145 Medicare services from Dr. Chim across 2 procedure codes in 2024, for 107 Medicare patients. Medicare paid $9,954 for them. Every service was in an office.
Dr. Chim's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 132024: 134931%
- Other services
- 2023: 02024: 11
Dr. Chim compared with the California median for family medicine physicians, 2024
- Dr. Chim
- California median
- Medicare services
- 145vs 24641% below
- Medicare patients
- 107vs 1189% below
- Part D claims
- 616vs 83326% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Chim'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. Chim 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. David Chim treated 107 Medicare patients in 2024, average age 76
CMS counts 107 Medicare patients who saw Dr. Chim in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 68% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chim's median patient age at 49, with 53% women.
Dr. Chim's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chim's Medicare patients by sex, 2024
- Women6359%
- Men4441%
Chronic conditions among Dr. Chim's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease54%
- Diabetes53%
- Arthritis46%
- Osteoporosis37%
- Ischemic heart disease20%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Chim wrote 977 Medicare Part D claims in 2024
In 2024, Dr. Chim wrote 977 Medicare Part D claims for 197 patients. 88% of them were for generic drugs. CMS names the drug for 616 of them, across 26 drugs with 11 or more claims each, at $26,684 in total drug cost. In 2023, CMS named 77 claims across 4 drugs.
Dr. Chim's Part D claims by kind of drug, 2024
- Generic860 claims88%
- Brand-name and other117 claims12%
Dr. Chim'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. Chim's Part D claims, 2024
- Antibiotics5%53 of 977 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: 772024: 616700%
Drugs named by CMS: 26 in 2024, 4 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. David Chim offers telehealth to Medicare patients
Dr. Chim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chim as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Chim has worked on 1 clinical trial
Dmand AI links Dr. Chim to 1 clinical trial.
Recent clinical trials with Dr. Chim
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Chim received $1,269 in industry payments from 2023 to 2025
CMS Open Payments shows 49 general payments to Dr. Chim from 18 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $152.
General payments to Dr. Chim by program year, 2023 to 2025
Companies that paid Dr. Chim the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Chim graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Chim graduated from WesternU College of Osteopathic Medicine of the Pacific in 2003. Dr. Chim is a member of AOA.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. David Chim accepts plans from 11 insurance carriers
Dr. Chim is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Chim accepts, by number of carriers
- Medicare7
- PPO7
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. David Chim'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. David Chim
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. David Chim's NPI number?
Dr. David Chim's NPI number is 1346306388. It was assigned on December 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Chim?
Dr. David Chim is a family medicine physician in Alhambra, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David Chim practice?
Dr. Chim practices at 925 S Garfield Ave, Alhambra, CA 91801. Dr. Chim's primary practice is AMG, a Professional Medical Corporation in Alhambra, California. Dmand AI also links Dr. Chim to 2 group practices and clinics and 1 medical group.
What is Dr. David Chim's office phone number?
The practice phone on file for Dr. Chim is (626) 282-0282.
What is Dr. David Chim's medical license number?
Dr. Chim holds California license 20A9135.
What medical group is Dr. David Chim part of?
Dr. Chim is linked to AMG Medical Group. Dmand AI links Dr. Chim to 1 more medical group.
Does Dr. David Chim accept Medicare?
Yes. CMS data shows Dr. Chim billed Medicare for 145 services in 2024, and Dr. Chim accepts Medicare assignment.
Does Dr. David Chim offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chim as offering telehealth services.
How many Medicare patients does Dr. David Chim see?
CMS counts 107 Medicare patients who saw Dr. Chim in 2024, with an average age of 76.
What services does Dr. David Chim bill to Medicare?
In 2024, Dr. Chim's most billed Medicare services were office visit, established patient (99213) and medicare service (G0439).
Show 6 more questionsShow fewer questions
Where did Dr. David Chim go to medical school?
Dr. Chim graduated from WesternU College of Osteopathic Medicine of the Pacific in 2003.
What drugs does Dr. David Chim prescribe most?
In 2024 Medicare Part D data, Dr. Chim's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. David Chim received payments from drug or device companies?
CMS Open Payments shows $1,269 in general payments to Dr. Chim from 18 companies from 2023 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. David Chim been practicing?
Dr. Chim graduated from medical school in 2003, 23 years ago.
Does Dr. David Chim do research?
Dr. Chim has worked on 1 clinical trial.
What insurance does Dr. David Chim accept?
Dr. Chim is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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