Exercise TherapyJoint DiseasesKnee Joint
Dr. Roger D. Dainer, DO
NPI1427053560PAC ID2062448350
- Medicare services, 2024
- 1,112
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 238
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 4626 Willow Road, Suite 100, Pleasanton, CA 94588
- Practice phone
- Call (925) 227-1315
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hacienda Surgery Center
Surgery Center - Medicare-Certified · Pleasanton, California
Find Dr. Dainer's professional email, personal email and mobile number
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Dr. Roger D. Dainer is an orthopedic surgeon in Pleasanton, California
Dr. Dainer practices at Hacienda Surgery Center in Pleasanton, California.
Dr. Dainer's NPI, 1427053560, was assigned on June 16, 2005. Dr. Dainer graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1981. Dr. Dainer holds California license 20A4823.
NPI and contact details
- NPI
- 1427053560NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062448350
- NPI enumeration date
- June 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 227-1315
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roger D. Dainer practices at Hacienda Surgery Center in Pleasanton, California
Dr. Dainer's primary practice is Hacienda Surgery Center, at 4626 Willow Road, Suite 100, Pleasanton, CA 94588. The practice phone is (925) 227-1315.
- Hacienda Surgery Center4626 Willow Road, Suite 100, Pleasanton, CA 94588Phone(925) 227-1315
Source: Dmand AI Affiliation Data
Dr. Roger D. Dainer is affiliated with 4 sites of care and 2 medical groups
Dr. Dainer's primary practice is Hacienda Surgery Center in Pleasanton, California. Dr. Dainer is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is BASS Medical Group. Dmand AI also links Dr. Dainer to 2 more group practices and clinics and 1 medical group, each named with a free account.
Hacienda Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roger D. Dainer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dainer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hacienda Surgery Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Roger D. Dainer is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Dainer's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Dainer is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Dainer is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, bursitis, hand joint or tendon inflammation, joint arthropathy, joint pain, knee arthroscopy, knee injury and lower back pain among the conditions Dr. Dainer treats.
Orthopedic surgeons near Dr. Dainer
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,056orthopedic surgeons in California
3orthopedic surgeons in Pleasanton
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Roger D. Dainer billed Medicare for 1,112 services in 2024
CMS data shows 1,112 Medicare services from Dr. Dainer across 15 procedure codes in 2024, for 197 Medicare patients. Medicare paid $81,288 for them. Every service was in an office.
Medicare services, 20241,112
Medicare patients197
Paid by Medicare$81,288
Procedure codes15
Dr. Dainer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4702024: 4812%
- Other services
- 2023: 02024: 284
- Imaging
- 2023: 1772024: 21421%
- Drugs given in the office
- 2023: 1542024: 8147%
- Surgery
- 2023: 452024: 5216%
Dr. Dainer compared with the California median for orthopedic surgeons, 2024
- Dr. Dainer
- California median
- Medicare services
- 1,112vs 68363% above
- Medicare patients
- 197vs 2158% below
- Part D claims
- 219vs 703.1 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Dainer'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. Dainer and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roger D. Dainer treated 197 Medicare patients in 2024, average age 75
CMS counts 197 Medicare patients who saw Dr. Dainer in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dainer's median patient age at 58, with 44% women.
Medicare patients, 2024197
Average age75
Average risk score1.00
Also on Medicaid7%
Dr. Dainer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dainer's Medicare patients by sex, 2024
- Women12161%
- Men7639%
Chronic conditions among Dr. Dainer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Diabetes30%
- Ischemic heart disease26%
- Chronic kidney disease24%
- Osteoporosis22%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dainer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roger D. Dainer wrote 238 Medicare Part D claims in 2024
In 2024, Dr. Dainer wrote 238 Medicare Part D claims for 95 patients. 100% of them were for generic drugs. CMS names the drug for 219 of them, across 5 drugs with 11 or more claims each, at $1,478 in total drug cost. In 2023, CMS named 185 claims across 5 drugs.
Part D claims, 2024238
Drugs named by CMS5
Total drug cost$1,478
Part D patients95
Dr. Dainer'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. Dainer's Part D claims, 2024
- Opioids9%21 of 238 claims
- Antibiotics5%13 of 238 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: 1852024: 21918%
Drugs named by CMS: 5 in 2024, 5 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
How Dr. Roger D. Dainer takes part in Medicare
Dr. Dainer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 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. Roger D. Dainer has 2 publications on record
Dmand AI links 2 papers to Dr. Dainer.
Papers2
Recent publications by Dr. Dainer
ArthroscopyJoint DislocationsPatella
See who Dr. Dainer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dainer works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Roger D. Dainer received $480 in industry payments from 2016 to 2019
CMS Open Payments shows 5 general payments to Dr. Dainer from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $215.
General payments to Dr. Dainer by program year, 2016 to 2019
Companies that paid Dr. Dainer the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roger D. Dainer graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. Dainer graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1981. Dr. Dainer is a member of AOA.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Roger D. Dainer accepts plans from 15 insurance carriers
Dr. Dainer is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Dainer accepts, by number of carriers
- Medicare10
- PPO10
- HMO7
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Roger D. Dainer'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (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. Roger D. Dainer
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. Roger D. Dainer's NPI number?
Dr. Roger D. Dainer's NPI number is 1427053560. It was assigned on June 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Roger D. Dainer?
Dr. Roger D. Dainer is an orthopedic surgeon in Pleasanton, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Roger D. Dainer practice?
Dr. Dainer practices at 4626 Willow Road, Suite 100, Pleasanton, CA 94588. Dr. Dainer's primary practice is Hacienda Surgery Center in Pleasanton, California. Dmand AI also links Dr. Dainer to 2 group practices and clinics and 1 medical group.
What is Dr. Roger D. Dainer's office phone number?
The practice phone on file for Dr. Dainer is (925) 227-1315.
What is Dr. Roger D. Dainer's medical license number?
Dr. Dainer holds California license 20A4823.
Which hospitals is Dr. Roger D. Dainer affiliated with?
Dr. Dainer is affiliated with Stanford Health Care Tri-Valley.
What medical group is Dr. Roger D. Dainer part of?
Dr. Dainer is linked to BASS Medical Group. Dmand AI links Dr. Dainer to 1 more medical group.
Does Dr. Roger D. Dainer accept Medicare?
Yes. CMS data shows Dr. Dainer billed Medicare for 1,112 services in 2024, and Dr. Dainer accepts Medicare assignment.
How many Medicare patients does Dr. Roger D. Dainer see?
CMS counts 197 Medicare patients who saw Dr. Dainer in 2024, with an average age of 75.
Is Dr. Roger D. Dainer board certified?
Yes. Dr. Dainer is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 7 more questionsShow fewer questions
What services does Dr. Roger D. Dainer bill to Medicare?
In 2024, Dr. Dainer's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Roger D. Dainer go to medical school?
Dr. Dainer graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 1981.
What drugs does Dr. Roger D. Dainer prescribe most?
In 2024 Medicare Part D data, Dr. Dainer's most prescribed drugs by claims were Meloxicam, Etodolac and Hydrocodone-Acetaminophen.
Has Dr. Roger D. Dainer received payments from drug or device companies?
CMS Open Payments shows $480 in general payments to Dr. Dainer from 3 companies from 2016 to 2019. The largest total came from Smith & Nephew, Inc.
How long has Dr. Roger D. Dainer been practicing?
Dr. Dainer graduated from medical school in 1981, 45 years ago.
Does Dr. Roger D. Dainer do research?
Dmand AI links 2 publications to Dr. Dainer.
What insurance does Dr. Roger D. Dainer accept?
Dr. Dainer is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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