Karsi Grego, ARNP, RN
NPI 1699428326 · Nurse Practitioner · Port Angeles, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karsi Grego, ARNP, RN is a Nurse Practitioner provider in Port Angeles, WA (NPI 1699428326).
Provider details
- NPI number
- 1699428326
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP, RN
- Sex
- Female
- Sole proprietor
- No
- License
- AP61225701 (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 tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,051 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) |
|---|---|---|
| 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 | 425 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 413 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $55 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 44 | $120 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 13 | $81 |
Typical Medicare-allowed amounts for these services range $14–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 290 | 91 |
| Amlodipine Besylate | 194 | 50 |
| Levothyroxine Sodium | 136 | 36 |
| Losartan Potassium | 128 | 41 |
| Lisinopril | 123 | 38 |
| Omeprazole | 110 | 29 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-02-02
- Last updated
- 2022-02-02
- Certified
- 2022-02-02
Frequently asked questions
- What is Karsi Grego's NPI number?
- Karsi Grego's National Provider Identifier (NPI) is 1699428326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karsi Grego's specialty?
- Karsi Grego is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karsi Grego located?
- Karsi Grego's practice location on file with NPPES is 907 Georgiana St, Port Angeles, WA 98362-3911.
- What is Karsi Grego's phone number?
- The practice phone number listed in the NPPES registry for Karsi Grego is (360) 565-0999.
- Does Karsi Grego accept Medicare?
- Karsi Grego is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karsi Grego's NPI active?
- Yes — Karsi Grego's NPI (1699428326) is active in the NPPES registry as of the last update on 2022-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.