Dr. Dan D. Hopner, MD
- Medicare services, 2024
- 986
- Medicare patients, 2024
- 293
- Part D claims, 2024
- 5,979
- Hospital affiliations
- 2
- Industry payments
- $279
- Practice address
- 2060 Aborn Rd, San Jose, CA 95121-1584
- Practice phone
- Call (408) 223-9055
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dan D Hopner MD & Romulo M Romero PA
Physician office · San Jose, California
Find Dr. Hopner'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. Dan D. Hopner is a family medicine physician in San Jose, California
Dr. Hopner practices at Dan D Hopner MD & Romulo M Romero PA in San Jose, California.
Dr. Hopner's NPI, 1104836402, was assigned on August 9, 2006. Dr. Hopner holds California license A36372.
- NPI
- 1104836402NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850490822
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (408) 223-9055
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dan D. Hopner practices at Dan D Hopner MD & Romulo M Romero PA in San Jose, California
Dr. Hopner's primary practice is Dan D Hopner MD & Romulo M Romero PA, at 2060 Aborn Rd, San Jose, CA 95121-1584. The practice phone is (408) 223-9055.
- Dan D Hopner MD & Romulo M Romero PA2060 Aborn Rd, San Jose, CA 95121-1584Phone(408) 223-9055
Source: Dmand AI Affiliation Data
Dr. Dan D. Hopner is affiliated with 6 sites of care and 2 medical groups
Dr. Hopner's primary practice is Dan D Hopner MD & Romulo M Romero PA in San Jose, California. Dr. Hopner is also affiliated with Good Samaritan Hospital. The medical group on file is Blossom Ridge Medical Group. Dmand AI also links Dr. Hopner to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dan D. Hopner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hopner practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dan D Hopner MD & Romulo M Romero PA | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dan D. Hopner is one of 15,680 family medicine physicians in California
Family medicine is Dr. Hopner's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Hopner's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists acute gastroduodenitis, acute sinusitis, acute skin infection, anxiety, arthritis, atrial fibrillation and flutter, bronchitis and chronic anemia among the conditions Dr. Hopner treats.
Family medicine physicians near Dr. Hopner
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. Dan D. Hopner billed Medicare for 986 services in 2024
CMS data shows 986 Medicare services from Dr. Hopner across 7 procedure codes in 2024, for 293 Medicare patients. Medicare paid $83,308 for them. Every service was in an office.
Dr. Hopner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8982024: 75915%
- Lab and pathology
- 2023: 922024: 858%
- Surgery
- 2023: 842024: 7313%
- Tests and treatments
- 2023: 1052024: 6934%
Dr. Hopner compared with the California median for family medicine physicians, 2024
- Dr. Hopner
- California median
- Medicare services
- 986vs 2464.0 times
- Medicare patients
- 293vs 1182.5 times
- Part D claims
- 5,306vs 8336.4 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Hopner'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. Hopner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hopner 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. Dan D. Hopner treated 293 Medicare patients in 2024, average age 75
CMS counts 293 Medicare patients who saw Dr. Hopner in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hopner's median patient age at 65, with 46% women.
Dr. Hopner's Medicare patients by age, 2024
Dr. Hopner's Medicare patients by sex, 2024
- Women13044%
- Men16356%
Chronic conditions among Dr. Hopner's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis45%
- Diabetes31%
- Ischemic heart disease29%
- Atrial fibrillation18%
- Anxiety17%
- Cancer13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hopner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dan D. Hopner wrote 5,979 Medicare Part D claims in 2024
In 2024, Dr. Hopner wrote 5,979 Medicare Part D claims for 374 patients. 90% of them were for generic drugs. CMS names the drug for 5,306 of them, across 118 drugs with 11 or more claims each, at $371,194 in total drug cost. In 2023, CMS named 4,955 claims across 114 drugs.
Dr. Hopner's Part D claims by kind of drug, 2024
- Generic5,399 claims90%
- Brand-name569 claims10%
- Other11 claims0%
Dr. Hopner'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. Hopner's Part D claims, 2024
- Opioids7%432 of 5,979 claims
- Antibiotics3%179 of 5,979 claims
- Antipsychotics, patients 65 and over1%49 of 5,979 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: 4,9552024: 5,3067%
Drugs named by CMS: 118 in 2024, 114 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. Dan D. Hopner offers telehealth to Medicare patients
CMS lists Dr. Hopner as offering telehealth.
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dan D. Hopner received $279 in industry payments from 2017 to 2025
CMS Open Payments shows 15 general payments to Dr. Hopner from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 86% of the total. Abbvie Inc. paid the most, $130.
General payments to Dr. Hopner by program year, 2017 to 2025
General payments to Dr. Hopner by kind, 2017 to 2025
- Food and beverage$24186%
- Education$3814%
Companies that paid Dr. Hopner the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Dan D. Hopner accepts plans from 13 insurance carriers
Dr. Hopner is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Hopner accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Dan D. Hopner'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Dan D. Hopner
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. Dan D. Hopner's NPI number?
Dr. Dan D. Hopner's NPI number is 1104836402. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dan D. Hopner?
Dr. Dan D. Hopner is a family medicine physician in San Jose, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Dan D. Hopner practice?
Dr. Hopner practices at 2060 Aborn Rd, San Jose, CA 95121-1584. Dr. Hopner's primary practice is Dan D Hopner MD & Romulo M Romero PA in San Jose, California. Dmand AI also links Dr. Hopner to 1 hospital, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Dan D. Hopner's office phone number?
The practice phone on file for Dr. Hopner is (408) 223-9055.
What is Dr. Dan D. Hopner's medical license number?
Dr. Hopner holds California license A36372, one of the licenses on file in 2 states.
Which states has Dr. Dan D. Hopner been licensed in?
Dmand AI has state licenses on file for Dr. Hopner in California (1981 to 2026) and New York (since 1979).
Which hospitals is Dr. Dan D. Hopner affiliated with?
Dr. Hopner is affiliated with Good Samaritan Hospital. Dmand AI links Dr. Hopner to 1 more hospital.
What medical group is Dr. Dan D. Hopner part of?
Dr. Hopner is linked to Blossom Ridge Medical Group. Dmand AI links Dr. Hopner to 1 more medical group.
Does Dr. Dan D. Hopner accept Medicare?
Yes. CMS data shows Dr. Hopner billed Medicare for 986 services in 2024.
Does Dr. Dan D. Hopner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hopner as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Dan D. Hopner see?
CMS counts 293 Medicare patients who saw Dr. Hopner in 2024, with an average age of 75.
What services does Dr. Dan D. Hopner bill to Medicare?
In 2024, Dr. Hopner's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
What drugs does Dr. Dan D. Hopner prescribe most?
In 2024 Medicare Part D data, Dr. Hopner's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Dan D. Hopner received payments from drug or device companies?
CMS Open Payments shows $279 in general payments to Dr. Hopner from 4 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Dan D. Hopner been practicing?
Dr. Hopner graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Dan D. Hopner accept?
Dr. Hopner is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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