Karissa Fox Koscheski, PA-C
NPI 1518460229 · Physician Assistant · Merrimack, NH
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karissa Fox Koscheski, PA-C is a Physician Assistant provider in Merrimack, NH (NPI 1518460229).
Provider details
- NPI number
- 1518460229
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 2018004207 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 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
355 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) |
|---|---|---|
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 91 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 76 | $142 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $107 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 41 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 37 | $95 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 31 | 15 |
| Carvedilol | 25 | 13 |
| Prednisone | 20 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 18 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 15 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-09
- Last updated
- 2023-11-15
- Certified
- 2023-11-15
Frequently asked questions
- What is Karissa Fox Koscheski's NPI number?
- Karissa Fox Koscheski's National Provider Identifier (NPI) is 1518460229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karissa Fox Koscheski's specialty?
- Karissa Fox Koscheski is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karissa Fox Koscheski located?
- Karissa Fox Koscheski's practice location on file with NPPES is 2 Dobson Way, Merrimack, NH 03054-4340.
- What is Karissa Fox Koscheski's phone number?
- The practice phone number listed in the NPPES registry for Karissa Fox Koscheski is (603) 471-6069.
- Does Karissa Fox Koscheski accept Medicare?
- Karissa Fox Koscheski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karissa Fox Koscheski's NPI active?
- Yes — Karissa Fox Koscheski's NPI (1518460229) is active in the NPPES registry as of the last update on 2023-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.