David Nicholas Siemann, DO
Family Medicine Physician · Aiea, HI
David Nicholas Siemann, DO is a family medicine physician with a practice address in Aiea, Hawaii, and NPI 1417693441, issued on May 11, 2022. Check the license (Hawaii DOSR-561-0, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Nicholas Siemann
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DOSR-561-0 HI
Self-reported in NPPES; status is on the state search - Practice location
- 98-1005 Moanalua RD Spc 3030, Aiea, HI 96701
- Phone
- (808) 627-3235
- Enumerated
- May 11, 2022
- Record last updated
- May 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20250818003727); accepts Medicare assignment
- Medical or professional school
- Rocky Vista University College Of Osteopathic Med, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 98-1005 Moanalua RD Spc 3030
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Cabusog-Sirois, DOStudent in an Organized Health Care Education/Training Program1942056825
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Verify David Nicholas Siemann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOSR-561-0Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
120 Medicare Part D claims for 28 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $27.23
1 payment: food and beverage; the largest payer was SK Life Science, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Castle Medical CenterKaneohe, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Nicholas Siemann among 730 family medicine physician records in Hawaii
David Nicholas Siemann, DO is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2022 · median 2006 among the 383 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 family medicine physician records list a practice address in Aiea
They are 55 of the 1,481 NPPES records with a practice address in Aiea, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Aiea → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- January May Andaya, MDAiea, HI 967011922455054
- Reyn Higa, MDAiea, HI 967011578067971
- Nina Kayo, MDAiea, HI 967011093241218
- Lloyd Kobayashi, MDAiea, HI 967011477555449
- Paul Lin, MDAiea, HI 967011407944523
- Randall Nitta, M.D.Aiea, HI 967011588757066
- Dean Otaka, MDAiea, HI 967011528079134
- Kathleen Ranola, MDAiea, HI 967011629567490
Common questions
What is David Nicholas Siemann, DO's NPI number?
David Nicholas Siemann, DO's National Provider Identifier (NPI) is 1417693441, issued on May 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is David Nicholas Siemann, DO located?
The NPPES record lists a practice address at 98-1005 Moanalua RD Spc 3030, Aiea, HI, 96701. Phone: (808) 627-3235. Providers update this record themselves, so call before visiting.
How can I verify David Nicholas Siemann, DO's license?
NPPES lists Hawaii license number DOSR-561-0, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Nicholas Siemann, DO prescribe under Medicare Part D?
In 2024, David Nicholas Siemann, DO had 120 Medicare Part D claims for 28 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.