Dr. Ron Dunchok, MD
- Medicare services, 2023
- 93
- Part D claims, 2024
- 40
- Hospital affiliations
- 1
- Industry payments
- $5,386
- Medical group
- 1
- Practice address
- 1798 N Garey Ave, Pomona, CA 91767
- Practice phone
- Call (909) 865-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dunchok'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. Ron Dunchok is an internist in Pomona, California
Dr. Dunchok practices at Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.
Dr. Dunchok's NPI, 1356331730, was assigned on October 26, 2005. Dr. Dunchok graduated from Sapienza University of Rome in 1983. Dr. Dunchok's California license number on file is A42469.
- NPI
- 1356331730NPI Registry (opens in a new tab)
- NPI enumeration date
- October 26, 2005
- NPI status
- Active
- Practice phone
- (909) 865-9500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ron Dunchok practices at Pomona Valley Hospital Medical Center in Pomona, California
Dr. Dunchok's primary practice is Pomona Valley Hospital Medical Center, at 1798 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 865-9500.
- Pomona Valley Hospital Medical Center1798 N Garey Ave, Pomona, CA 91767 · Los Angeles CountyPhone(909) 865-9500
Source: Dmand AI Affiliation Data
Dr. Ron Dunchok is affiliated with 2 sites of care and 1 medical group
Dr. Dunchok's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dmand AI also links Dr. Dunchok to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ron Dunchok's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dunchok practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pomona Valley Hospital Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Pomona Valley Hospital Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ron Dunchok is one of 16,751 internists in California
Internal medicine is Dr. Dunchok's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Dunchok's licenses on file in 4 states: California, Arizona, Pennsylvania and Michigan.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Arizona license
- Pennsylvania license
- Michigan license
Clinical focus
Dmand AI lists acute kidney failure, adjustment disease, arthritis, atrial fibrillation and flutter, cerebrovascular disease, chronic diabetes, chronic embolism thrombosis and chronic hypertension among the conditions Dr. Dunchok treats.
Internists near Dr. Dunchok
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. Ron Dunchok billed Medicare for 93 services in 2023
CMS data shows 93 Medicare services from Dr. Dunchok across 2 procedure codes in 2023, all of them office visits. Medicare paid $7,350 for them. Every service was in an office.
Dr. Dunchok's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6882023: 9386%
- Drugs given in the office
- 2022: 252023: 0100%
- Tests and treatments
- 2022: 612023: 0100%
- Other services
- 2022: 252023: 0100%
- Surgery
- 2022: 252023: 0100%
Dr. Dunchok compared with the California median for internists, 2023
- Dr. Dunchok
- California median
- Medicare services
- 93vs 36174% below
- Part D claims
- 1,737vs 4214.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Dunchok'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. Dunchok?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dunchok and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ron Dunchok's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Dunchok's median patient age at 71, with 38% women.
Dr. Dunchok's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women38%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Ron Dunchok wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Dunchok wrote 40 Medicare Part D claims for 17 patients. 80% of them were for generic drugs. They cover 47 drugs, with $126,693 in total drug cost. In 2022, CMS named 3,634 claims across 86 drugs.
Dr. Dunchok's Part D claims by kind of drug, 2024
- Generic32 claims80%
- Brand-name and other8 claims20%
Dr. Dunchok's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3,6342023: 1,73752%
Drugs named by CMS: 47 in 2023, 86 in 2022.
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
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Dr. Ron Dunchok received $5,386 in industry payments from 2016 to 2023
CMS Open Payments shows 308 general payments to Dr. Dunchok from 37 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 98% of the total. Janssen Pharmaceuticals, Inc paid the most, $872.
General payments to Dr. Dunchok by program year, 2016 to 2023
General payments to Dr. Dunchok by kind, 2016 to 2023
- Food and beverage$5,28798%
- Education$982%
Companies that paid Dr. Dunchok the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ron Dunchok has 1 award and honors on record
Dmand AI lists 1 award for Dr. Dunchok, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Dunchok
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Ron Dunchok graduated from Sapienza University of Rome
Dr. Dunchok graduated from Sapienza University of Rome in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ron Dunchok accepts plans from 5 insurance carriers
Dr. Dunchok is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Excellus BlueCross BlueShield and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Excellus BlueCross BlueShield
- HCSC
- Regence Health Plans
- Molina
Plan types Dr. Dunchok accepts, by number of carriers
- Medicare5
- PPO4
- HMO2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ron Dunchok'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 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) |
| 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. Ron Dunchok
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. Ron Dunchok's NPI number?
Dr. Ron Dunchok's NPI number is 1356331730. It was assigned on October 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ron Dunchok?
Dr. Ron Dunchok is an internist in Pomona, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ron Dunchok practice?
Dr. Dunchok practices at 1798 N Garey Ave, Pomona, CA 91767. Dr. Dunchok's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. Dmand AI also links Dr. Dunchok to 1 group practice or clinic and 1 medical group.
What is Dr. Ron Dunchok's office phone number?
The practice phone on file for Dr. Dunchok is (909) 865-9500.
What is Dr. Ron Dunchok's medical license number?
Dr. Dunchok's California license number on file is A42469, one of the licenses on file in 4 states.
Which states has Dr. Ron Dunchok been licensed in?
Dmand AI has state licenses on file for Dr. Dunchok in California (1986 to 2025), Arizona (1988 to 1999), Pennsylvania (1987 to 1990) and Michigan (1985 to 1989).
Which hospitals is Dr. Ron Dunchok affiliated with?
Dr. Dunchok practices at Pomona Valley Hospital Medical Center in Pomona, California.
Does Dr. Ron Dunchok accept Medicare?
Yes. CMS data shows Dr. Dunchok billed Medicare for 93 services in 2023.
What services does Dr. Ron Dunchok bill to Medicare?
In 2023, Dr. Dunchok's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Ron Dunchok go to medical school?
Dr. Dunchok graduated from Sapienza University of Rome in 1983.
Show 4 more questionsShow fewer questions
What drugs does Dr. Ron Dunchok prescribe most?
In 2023 Medicare Part D data, Dr. Dunchok's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Ron Dunchok received payments from drug or device companies?
CMS Open Payments shows $5,386 in general payments to Dr. Dunchok from 37 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ron Dunchok been practicing?
Dr. Dunchok graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Ron Dunchok accept?
Dr. Dunchok is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Excellus BlueCross BlueShield and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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