Dr. David A. Louis, MD
- Medicare services, 2024
- 1,391
- Medicare patients, 2024
- 215
- Part D claims, 2024
- 4,678
- Hospital affiliations
- 3
- Industry payments
- $3,295
- Practice address
- 3300 Webster St, Oakland, CA 94609
- Practice phone
- Call (925) 327-6964
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hill Health' & 'Hill Health Medical Group
Oakland, California
Find Dr. Louis' 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. David A. Louis is a family medicine physician in Oakland, California
Dr. Louis practices at Hill Health' & 'Hill Health Medical Group in Oakland, California.
Dr. Louis' NPI, 1417042953, was assigned on October 3, 2006. Dr. Louis graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1976. Dr. Louis holds California license G39231.
- NPI
- 1417042953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244361293
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 327-6964
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David A. Louis practices at Hill Health' & 'Hill Health Medical Group in Oakland, California
Dr. Louis' primary practice is Hill Health' & 'Hill Health Medical Group, at 3300 Webster St, Oakland, CA 94609 in Alameda County. The practice phone is (925) 327-6964.
- Hill Health' & 'Hill Health Medical Group3300 Webster St, Oakland, CA 94609 · Alameda CountyPhone(925) 327-6964
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David A. Louis is affiliated with 8 sites of care and 1 medical group
Dr. Louis' primary practice is Hill Health' & 'Hill Health Medical Group in Oakland, California. Dr. Louis is also affiliated with Alta Bates Summit Medical Center. The medical group on file is Hill Health. Dmand AI also links Dr. Louis to 2 more hospitals, 2 home health agencies, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David A. Louis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Louis practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hill Health' & 'Hill Health Medical Group | 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. David A. Louis is one of 15,680 family medicine physicians in California
Family medicine is Dr. Louis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Louis is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Louis
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. David A. Louis billed Medicare for 1,391 services in 2024
CMS data shows 1,391 Medicare services from Dr. Louis across 15 procedure codes in 2024, for 215 Medicare patients. Medicare paid $84,179 for them. Every service was in an office.
Dr. Louis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8072024: 54932%
- Drugs given in the office
- 2023: 262024: 2951035%
- Other services
- 2023: 2862024: 20030%
- Lab and pathology
- 2023: 2472024: 17330%
- Tests and treatments
- 2023: 2312024: 14637%
- Surgery
- 2023: 342024: 2818%
Dr. Louis compared with the California median for family medicine physicians, 2024
- Dr. Louis
- California median
- Medicare services
- 1,391vs 2465.7 times
- Medicare patients
- 215vs 11882% above
- Part D claims
- 4,014vs 8334.8 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Louis' 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. Louis 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. David A. Louis treated 215 Medicare patients in 2024, average age 78
CMS counts 215 Medicare patients who saw Dr. Louis in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Louis' median patient age at 72, with 52% women.
Dr. Louis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Louis' Medicare patients by sex, 2024
- Women11453%
- Men10147%
Chronic conditions among Dr. Louis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis33%
- Diabetes30%
- Cancer16%
- Ischemic heart disease14%
- Atrial fibrillation12%
- Chronic kidney disease12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Louis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women52%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David A. Louis wrote 4,678 Medicare Part D claims in 2024
In 2024, Dr. Louis wrote 4,678 Medicare Part D claims for 393 patients. 90% of them were for generic drugs. CMS names the drug for 4,014 of them, across 81 drugs with 11 or more claims each, at $219,818 in total drug cost. In 2023, CMS named 4,508 claims across 97 drugs.
Dr. Louis' Part D claims by kind of drug, 2024
- Generic4,225 claims90%
- Brand-name423 claims9%
- Other30 claims1%
Dr. Louis' 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. Louis' Part D claims, 2024
- Opioids0%17 of 4,678 claims
- Antibiotics2%103 of 4,678 claims
- Antipsychotics, patients 65 and over0%17 of 4,678 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: 4,5082024: 4,01411%
Drugs named by CMS: 81 in 2024, 97 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. David A. Louis offers telehealth to Medicare patients
Dr. Louis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Louis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. David A. Louis received $3,295 in industry payments from 2016 to 2025
CMS Open Payments shows 146 general payments to Dr. Louis from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $644.
General payments to Dr. Louis by program year, 2016 to 2025
Companies that paid Dr. Louis 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. David A. Louis graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Dr. Louis graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. Louis'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 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 |
| 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. David A. Louis
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. David A. Louis' NPI number?
Dr. David A. Louis' NPI number is 1417042953. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Louis?
Dr. David A. Louis is a family medicine physician in Oakland, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David A. Louis practice?
Dr. Louis practices at 3300 Webster St, Oakland, CA 94609. Dr. Louis' primary practice is Hill Health' & 'Hill Health Medical Group in Oakland, California. Dmand AI also links Dr. Louis to 2 hospitals, 2 home health agencies, 1 physician office and 1 group practice or clinic.
What is Dr. David A. Louis' office phone number?
The practice phone on file for Dr. Louis is (925) 327-6964.
What is Dr. David A. Louis' medical license number?
Dr. Louis holds California license G39231.
Which hospitals is Dr. David A. Louis affiliated with?
Dr. Louis is affiliated with Alta Bates Summit Medical Center. Dmand AI links Dr. Louis to 2 more hospitals.
What medical group is Dr. David A. Louis part of?
Dr. Louis is linked to Hill Health.
Does Dr. David A. Louis accept Medicare?
Yes. CMS data shows Dr. Louis billed Medicare for 1,391 services in 2024, and Dr. Louis accepts Medicare assignment.
Does Dr. David A. Louis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Louis as offering telehealth services.
How many Medicare patients does Dr. David A. Louis see?
CMS counts 215 Medicare patients who saw Dr. Louis in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. David A. Louis bill to Medicare?
In 2024, Dr. Louis' most billed Medicare services were office visit, established patient (99214), injected or infused drug (J1010) and medicare service (G0439).
Where did Dr. David A. Louis go to medical school?
Dr. Louis graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 1976.
What drugs does Dr. David A. Louis prescribe most?
In 2024 Medicare Part D data, Dr. Louis' most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.
Has Dr. David A. Louis received payments from drug or device companies?
CMS Open Payments shows $3,295 in general payments to Dr. Louis from 29 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. David A. Louis been practicing?
Dr. Louis graduated from medical school in 1976, 50 years ago.
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