Nathan P. Kerestes, DO
Family Medicine Physician · Poulsbo, WA
Nathan P. Kerestes, DO is a family medicine physician with a practice address in Poulsbo, Washington, and NPI 1023458676, issued on Jun 27, 2013. Check the license (Washington OP61486367, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Nathan P. Kerestes
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- OP61486367 WA
DOS-2207 HI
Self-reported in NPPES; status is on the state search - Practice location
- 21800 Market PL NW Ste 104, Poulsbo, WA 98370
- Phone
- (833) 411-5469
- Enumerated
- Jun 27, 2013
- Record last updated
- Apr 2, 2025
- Fax
- (855) 459-3020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 21800 Market PL NW Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Szatkowski, D.O.Family Medicine Physician1073953964
Verify Nathan P. Kerestes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61486367Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
316 Medicare Part D claims for 85 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium40 claims
- Amlodipine Besylate21 claims
- Losartan Potassium13 claims
- Lisinopril11 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.
Nathan P. Kerestes among 5,534 family medicine physician records in Washington
Nathan P. Kerestes, DO is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2025 · 57% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 family medicine physician records list a practice address in Poulsbo
They are 42 of the 622 NPPES records with a practice address in Poulsbo, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Poulsbo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Teresa Andersen, MDPoulsbo, WA 983701790861706
- Arthur Felts, MDPoulsbo, WA 983701861483109
- Karl Hadley, M.D.Poulsbo, WA 983701831140185
- George Kina, M.D.Poulsbo, WA 983701619924230
- Douglas Kurata, M.D.Poulsbo, WA 983701902842867
- Andrea Legge, M.D.Poulsbo, WA 983701871543900
- Peter Lehmann, MDPoulsbo, WA 983701407899362
- Marie Matty, M.D.Poulsbo, WA 983701740224880
Common questions
What is Nathan P. Kerestes, DO's NPI number?
Nathan P. Kerestes, DO's National Provider Identifier (NPI) is 1023458676, issued on Jun 27, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathan P. Kerestes, DO located?
The NPPES record lists a practice address at 21800 Market PL NW Ste 104, Poulsbo, WA, 98370. Phone: (833) 411-5469. Providers update this record themselves, so call before visiting.
How can I verify Nathan P. Kerestes, DO's license?
NPPES lists Washington license number OP61486367, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan P. Kerestes, DO prescribe under Medicare Part D?
In 2024, Nathan P. Kerestes, DO had 316 Medicare Part D claims for 85 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.