Dr. Timothy Nmi Ching, MD
- Medicare services, 2023
- 46
- Medicare patients, 2024
- 30
- Hospital affiliations
- 1
- Industry payments
- $35
- Insurance carriers
- 7
- Practice address
- 1350 W Covina Blvd, San Dimas, CA 91773
- Practice phone
- Call (909) 599-6811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Timothy Nmi Ching is a general surgeon in San Dimas, California
Dr. Ching practices at San Dimas Community Hospital in San Dimas, California, part of Prime Healthcare Services.
Dr. Ching's NPI, 1396704896, was assigned on March 22, 2006. Dr. Ching graduated from Loma Linda University School Of Medicine in 1973. Dr. Ching holds California license G27819.
- NPI
- 1396704896NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274728118
- NPI enumeration date
- March 22, 2006
- NPI status
- Active
- Practice phone
- (909) 599-6811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Timothy Nmi Ching practices at San Dimas Community Hospital in San Dimas, California
Dr. Ching's primary practice is San Dimas Community Hospital, at 1350 W Covina Blvd, San Dimas, CA 91773 in Los Angeles County. The practice phone is (909) 599-6811.
- San Dimas Community Hospital1350 W Covina Blvd, San Dimas, CA 91773 · Los Angeles CountyPhone(909) 599-6811
Source: Dmand AI Affiliation Data
Dr. Timothy Nmi Ching is affiliated with 1 site of care
Dr. Ching's primary practice is San Dimas Community Hospital in San Dimas, California, part of Prime Healthcare Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy Nmi Ching's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ching practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Dimas Community Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy Nmi Ching is one of 2,926 general surgeons in California
Surgery is Dr. Ching's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ching is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Ching
Counts of general surgeons 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. Timothy Nmi Ching billed Medicare for 46 services in 2023
CMS data shows 46 Medicare services from Dr. Ching across 2 procedure codes in 2023, for 30 Medicare patients. Medicare paid $8,263 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ching's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 462023: 46No change
Dr. Ching compared with the California median for general surgeons, 2023
- Dr. Ching
- California median
- Medicare services
- 46vs 16672% below
- Medicare patients
- 30vs 12175% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Ching's most billed Medicare procedure codes, 2023
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. Ching?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ching and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Nmi Ching treated 30 Medicare patients in 2024, average age 72
CMS counts 30 Medicare patients who saw Dr. Ching in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ching's median patient age at 62, with 53% women.
Dr. Ching's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Ching's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Diabetes63%
- Heart failure57%
- Atrial fibrillation40%
- Arthritis37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ching's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Timothy Nmi Ching takes part in Medicare
Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Timothy Nmi Ching received $35 in industry payments from 2016 to 2022
CMS Open Payments shows 2 general payments to Dr. Ching from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $23.
General payments to Dr. Ching by program year, 2016 to 2022
Companies that paid Dr. Ching the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Nmi Ching graduated from Loma Linda University School Of Medicine
Dr. Ching graduated from Loma Linda University School Of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Timothy Nmi Ching accepts plans from 7 insurance carriers
Dr. Ching is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Molina
Plan types Dr. Ching accepts, by number of carriers
- Medicare7
- PPO4
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy Nmi Ching'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (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. Timothy Nmi Ching
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. Timothy Nmi Ching's NPI number?
Dr. Timothy Nmi Ching's NPI number is 1396704896. It was assigned on March 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Nmi Ching?
Dr. Timothy Nmi Ching is a general surgeon in San Dimas, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Timothy Nmi Ching practice?
Dr. Ching practices at 1350 W Covina Blvd, San Dimas, CA 91773. Dr. Ching's primary practice is San Dimas Community Hospital in San Dimas, California, part of Prime Healthcare Services.
What is Dr. Timothy Nmi Ching's office phone number?
The practice phone on file for Dr. Ching is (909) 599-6811.
What is Dr. Timothy Nmi Ching's medical license number?
Dr. Ching holds California license G27819.
Which hospitals is Dr. Timothy Nmi Ching affiliated with?
Dr. Ching practices at San Dimas Community Hospital in San Dimas, California.
Does Dr. Timothy Nmi Ching accept Medicare?
Yes. CMS data shows Dr. Ching billed Medicare for 46 services in 2023.
How many Medicare patients does Dr. Timothy Nmi Ching see?
CMS counts 30 Medicare patients who saw Dr. Ching in 2024, with an average age of 72.
What services does Dr. Timothy Nmi Ching bill to Medicare?
In 2023, Dr. Ching's most billed Medicare services were surgery: heart and blood vessels (33533) and surgery: heart and blood vessels (33519).
Where did Dr. Timothy Nmi Ching go to medical school?
Dr. Ching graduated from Loma Linda University School Of Medicine in 1973.
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Has Dr. Timothy Nmi Ching received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Ching from 2 companies from 2016 to 2022. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Timothy Nmi Ching been practicing?
Dr. Ching graduated from medical school in 1973, 53 years ago.
What insurance does Dr. Timothy Nmi Ching accept?
Dr. Ching is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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