David A. Knowles, PA-C
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 1,026
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 671185 A Mamalahoa Hwy, Kamuela, HI 96743
- Practice phone
- Call (808) 432-5312
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan
Kamuela, Hawaii
Find David Knowles' 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.
David A. Knowles is a physician assistant in Kamuela, Hawaii
David Knowles practices at Kaiser Foundation Health Plan in Kamuela, Hawaii.
David Knowles' NPI, 1649560517, was assigned on April 13, 2011. David Knowles holds Hawaii license AMD-424.
- NPI
- 1649560517NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547431884
- NPI enumeration date
- April 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 432-5312
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David A. Knowles practices at Kaiser Foundation Health Plan in Kamuela, Hawaii
David Knowles' primary practice is Kaiser Foundation Health Plan, at 671185 A Mamalahoa Hwy, Kamuela, HI 96743 in Hawaii County. The practice phone is (808) 432-5312.
- Kaiser Foundation Health Plan671185 A Mamalahoa Hwy, Kamuela, HI 96743 · Hawaii CountyPhone(808) 432-5312
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David A. Knowles is affiliated with 2 sites of care and 1 medical group
David Knowles' primary practice is Kaiser Foundation Health Plan in Kamuela, Hawaii. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links David Knowles to 1 more group practice or clinic, 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 David A. Knowles' practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Knowles practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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David A. Knowles is one of 344 physician assistants in Hawaii
Physician assistant is David Knowles' primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Knowles is licensed in Hawaii.
Specialties and state licenses
- Physician assistant, HawaiiPrimary
Physician assistants near David Knowles
Counts of physician assistants 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
David A. Knowles treated 17 Medicare patients in 2024, average age 70
CMS counts 17 Medicare patients who saw David Knowles in 2024. 71% of them have high blood pressure. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Knowles' median patient age at 67, with 57% women.
Chronic conditions among David Knowles' Medicare patients, 2024
- High blood pressure71%
Share of Medicare patients with each condition. A patient can have several.
David Knowles' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David A. Knowles wrote 1,026 Medicare Part D claims in 2024
In 2024, David Knowles wrote 1,026 Medicare Part D claims for 327 patients. 90% of them were for generic drugs.
David Knowles' Part D claims by kind of drug, 2024
- Generic923 claims90%
- Brand-name and other103 claims10%
Drug classes CMS tracks in David Knowles' Part D claims, 2024
- Opioids4%44 of 1,026 claims
- Antibiotics18%184 of 1,026 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How David A. Knowles takes part in Medicare
David Knowles accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for David A. Knowles'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 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 (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) |
| 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 David A. Knowles
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David A. Knowles' NPI number?
David A. Knowles' NPI number is 1649560517. It was assigned on April 13, 2011, and it is active in the NPI Registry.
What does David A. Knowles specialize in?
David A. Knowles is a physician assistant in Kamuela, Hawaii. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does David A. Knowles practice?
David Knowles practices at 671185 A Mamalahoa Hwy, Kamuela, HI 96743. David Knowles' primary practice is Kaiser Foundation Health Plan in Kamuela, Hawaii. Dmand AI also links David Knowles to 1 group practice or clinic.
What is David A. Knowles' office phone number?
The practice phone on file for David Knowles is (808) 432-5312.
What is David A. Knowles' medical license number?
David Knowles holds Hawaii license AMD-424, one of 2 state licenses on file.
What medical group is David A. Knowles part of?
David Knowles is linked to Hawaii Permanente Medical Group (HPMG).
Does David A. Knowles accept Medicare?
Yes. CMS lists David Knowles as accepting Medicare assignment.
How many Medicare patients does David A. Knowles see?
CMS counts 17 Medicare patients who saw David Knowles in 2024, with an average age of 70.
How long has David A. Knowles been practicing?
David Knowles graduated from medical school in 2010, 16 years ago.
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