James Jacowski, ARNP
NPI 1730942103 · Family Nurse Practitioner · Oak Harbor, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Jacowski, ARNP is a Family Nurse Practitioner provider in Oak Harbor, WA (NPI 1730942103).
Provider details
- NPI number
- 1730942103
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Male
- Sole proprietor
- No
- License
- AP61506523 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 23 | 11 |
| Metoprolol Succinate | 21 | — |
| Lisinopril | 20 | — |
| Levothyroxine Sodium | 19 | — |
| Amlodipine Besylate | 18 | — |
| Rivaroxabanbrand: Xarelto | 16 | — |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-01-30
- Last updated
- 2024-01-30
- Certified
- 2023-12-08
Frequently asked questions
- What is James Jacowski's NPI number?
- James Jacowski's National Provider Identifier (NPI) is 1730942103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Jacowski's specialty?
- James Jacowski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Jacowski located?
- James Jacowski's practice location on file with NPPES is 275 Se Cabot Dr Ste B101, Oak Harbor, WA 98277-3740.
- What is James Jacowski's phone number?
- The practice phone number listed in the NPPES registry for James Jacowski is (360) 675-6648.
- Does James Jacowski accept Medicare?
- James Jacowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Jacowski's NPI active?
- Yes — James Jacowski's NPI (1730942103) is active in the NPPES registry as of the last update on 2024-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.