Dr. Douglas A. Dennis Jr., MD
- Medicare services, 2024
- 11,576
- Medicare patients, 2024
- 629
- Part D claims, 2024
- 1,035
- Hospital affiliations
- 3
- Industry payments
- $1,866
- Practice address
- 2702 Low Ct, Fairfield, CA 94534
- Practice phone
- Call (707) 428-2731
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sutter Regional Medical Foundation
Fairfield, California
Find Dr. Dennis' 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. Douglas A. Dennis Jr. is an orthopedic surgeon in Fairfield, California
Dr. Dennis practices at Sutter Regional Medical Foundation in Fairfield, California.
Dr. Dennis' NPI, 1760473052, was assigned on November 4, 2005. Dr. Dennis graduated from UCSF School of Medicine in 2003. Dr. Dennis' California license number on file is A88265.
- NPI
- 1760473052NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769419266
- NPI enumeration date
- November 4, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 428-2731
- 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. Douglas A. Dennis Jr. practices at Sutter Regional Medical Foundation in Fairfield, California
Dr. Dennis' primary practice is Sutter Regional Medical Foundation, at 2702 Low Ct, Fairfield, CA 94534 in Solano County. The practice phone is (707) 428-2731.
- Sutter Regional Medical Foundation2702 Low Ct, Fairfield, CA 94534 · Solano CountyPhone(707) 428-2731
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Douglas A. Dennis Jr. is affiliated with 8 sites of care and 1 medical group
Dr. Dennis' primary practice is Sutter Regional Medical Foundation in Fairfield, California. Dr. Dennis is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Dennis to 2 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas A. Dennis Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dennis practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Regional Medical Foundation | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas A. Dennis Jr. is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Dennis' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Dennis is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Dennis has a license on file in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, enthesopathy in arms, hand joint or tendon inflammation and hip replacement among the conditions Dr. Dennis treats.
Orthopedic surgeons near Dr. Dennis
Counts of orthopedic 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. Douglas A. Dennis Jr. billed Medicare for 11,576 services in 2024
CMS data shows 11,576 Medicare services from Dr. Dennis across 17 procedure codes in 2024, for 629 Medicare patients. Medicare paid $237,926 for them.
Dr. Dennis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,9132024: 9,870416%
- Office and hospital visits
- 2023: 8312024: 7925%
- Surgery
- 2023: 3712024: 756104%
- Other services
- 2023: 02024: 158
Where Dr. Dennis' Medicare services took place, 2024
- In an office11,46399%
- In a facility1131%
Dr. Dennis compared with the California median for orthopedic surgeons, 2024
- Dr. Dennis
- California median
- Medicare services
- 11,576vs 68316.9 times
- Medicare patients
- 629vs 2152.9 times
- Part D claims
- 976vs 7013.9 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Dennis' 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. Dennis and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas A. Dennis Jr. treated 629 Medicare patients in 2024, average age 74
CMS counts 629 Medicare patients who saw Dr. Dennis in 2024. The largest group is 65 to 74, with 292 patients. 75% of them have arthritis, and 72% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dennis' median patient age at 63, with 60% women.
Dr. Dennis' Medicare patients by age, 2024
Dr. Dennis' Medicare patients by sex, 2024
- Women38661%
- Men24339%
Chronic conditions among Dr. Dennis' Medicare patients, 2024
- Arthritis75%
- High blood pressure72%
- High cholesterol68%
- Diabetes32%
- Mood disorders25%
- Chronic kidney disease22%
- Depression22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dennis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas A. Dennis Jr. wrote 1,035 Medicare Part D claims in 2024
In 2024, Dr. Dennis wrote 1,035 Medicare Part D claims for 274 patients. 99% of them were for generic drugs. CMS names the drug for 976 of them, across 14 drugs with 11 or more claims each, at $8,592 in total drug cost. In 2023, CMS named 479 claims across 10 drugs.
Dr. Dennis' Part D claims by kind of drug, 2024
- Generic1,029 claims99%
- Brand-name and other6 claims1%
Dr. Dennis' 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. Dennis' Part D claims, 2024
- Opioids18%190 of 1,035 claims
- Antibiotics5%50 of 1,035 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: 4792024: 976104%
Drugs named by CMS: 14 in 2024, 10 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. Douglas A. Dennis Jr. ranks in the 92nd percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Dennis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 72 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Dennis, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dennis ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 92nd percentile72 procedures
- Knee replacement
- 73rd percentile41 procedures
- Hip replacement
- 65th percentile19 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 88th percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Douglas A. Dennis Jr. received $1,866 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. Dennis from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 55% of the total. Zimmer Biomet Holdings, Inc. paid the most, $954.
General payments to Dr. Dennis by program year, 2016 to 2025
General payments to Dr. Dennis by kind, 2016 to 2025
- Travel and lodging$1,01755%
- Food and beverage$81344%
- Education$352%
Companies that paid Dr. Dennis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas A. Dennis Jr. graduated from UCSF School of Medicine
Dr. Dennis graduated from UCSF School of Medicine in 2003.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Douglas A. Dennis Jr. accepts plans from 13 insurance carriers
Dr. Dennis is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO 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
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Dennis accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Douglas A. Dennis Jr.'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 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) |
| 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. Douglas A. Dennis Jr.
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. Douglas A. Dennis Jr.'s NPI number?
Dr. Douglas A. Dennis Jr.'s NPI number is 1760473052. It was assigned on November 4, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas A. Dennis Jr.?
Dr. Douglas A. Dennis Jr. is an orthopedic surgeon in Fairfield, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Douglas A. Dennis Jr. practice?
Dr. Dennis practices at 2702 Low Ct, Fairfield, CA 94534. Dr. Dennis' primary practice is Sutter Regional Medical Foundation in Fairfield, California. Dmand AI also links Dr. Dennis to 2 hospitals, 3 home health agencies and 1 group practice or clinic.
What is Dr. Douglas A. Dennis Jr.'s office phone number?
The practice phone on file for Dr. Dennis is (707) 428-2731.
What is Dr. Douglas A. Dennis Jr.'s medical license number?
Dr. Dennis' California license number on file is A88265.
Which hospitals is Dr. Douglas A. Dennis Jr. affiliated with?
Dr. Dennis is affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Dennis to 2 more hospitals.
What medical group is Dr. Douglas A. Dennis Jr. part of?
Dr. Dennis is linked to SGMF Radiology.
Does Dr. Douglas A. Dennis Jr. accept Medicare?
Yes. CMS data shows Dr. Dennis billed Medicare for 11,576 services in 2024, and Dr. Dennis accepts Medicare assignment.
How many Medicare patients does Dr. Douglas A. Dennis Jr. see?
CMS counts 629 Medicare patients who saw Dr. Dennis in 2024, with an average age of 74.
Is Dr. Douglas A. Dennis Jr. board certified?
Yes. Dr. Dennis is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Douglas A. Dennis Jr. bill to Medicare?
In 2024, Dr. Dennis' most billed Medicare services were injected or infused drug (J7328), injected or infused drug (J3301) and surgery: bones and joints (20610).
Where did Dr. Douglas A. Dennis Jr. go to medical school?
Dr. Dennis graduated from UCSF School of Medicine in 2003.
What drugs does Dr. Douglas A. Dennis Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Dennis' most prescribed drugs by claims were Meloxicam, Celecoxib and Oxycodone-Acetaminophen.
Has Dr. Douglas A. Dennis Jr. received payments from drug or device companies?
CMS Open Payments shows $1,866 in general payments to Dr. Dennis from 4 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Douglas A. Dennis Jr. been practicing?
Dr. Dennis graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Douglas A. Dennis Jr. accept?
Dr. Dennis is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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