Carolyn Nowosielski, FNP
NPI 1477645281 · Family Nurse Practitioner · Portland, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Nowosielski, FNP is a Family Nurse Practitioner provider in Portland, OR (NPI 1477645281).
Provider details
- NPI number
- 1477645281
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 206650011NPFNPPP (OR)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
276 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 113 | $85 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 90 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $58 |
Typical Medicare-allowed amounts for these services range $15–$85 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 219 | 76 |
| Lisinopril | 133 | 50 |
| Levothyroxine Sodium | 101 | 32 |
| Gabapentin | 97 | 23 |
| Amlodipine Besylate | 95 | 31 |
| Oxycodone Hcl | 89 | 15 |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (2)
- 3231 Se 59th AvePortland, OR 97206Phone: (503) 775-4931
- 10201 Se Main St Ste 10Portland, OR 97216-2937Phone: (503) 255-2186
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2018-06-22
Frequently asked questions
- What is Carolyn Nowosielski's NPI number?
- Carolyn Nowosielski's National Provider Identifier (NPI) is 1477645281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Nowosielski's specialty?
- Carolyn Nowosielski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carolyn Nowosielski located?
- Carolyn Nowosielski's practice location on file with NPPES is 3231 Se 59th Ave, Portland, OR 97206.
- What is Carolyn Nowosielski's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Nowosielski is (503) 775-4931.
- Does Carolyn Nowosielski accept Medicare?
- Carolyn Nowosielski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Nowosielski's NPI active?
- Yes — Carolyn Nowosielski's NPI (1477645281) is active in the NPPES registry as of the last update on 2018-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.