Provider Profile
Karissa N. Fox Koscheski, PA-C
Unclaimed ProfileAbout Karissa Fox Koscheski
Karissa N. Fox Koscheski, PA-C is a physician assistant based in Merrimack, NH. Medicare claims data shows Karissa provided 355 services to 333 patients. The services billed most often include exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1518460229.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (603) 471-6069
- Email not available
Practice Locations
2 DOBSON WAY
Merrimack, NH 03054
Procedures Most Often Billed to Medicare
355 services · 333 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
91 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
76 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
48 | As often as other peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
41 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
37 | As often as other peers in Physician Assistant |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
28 | As often as other peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
22 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other physician assistants in Merrimack 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 8
Providers in NH who bill this service to Medicare most often.
Common questions
What kind of doctor is Karissa N. Fox Koscheski?
Karissa N. Fox Koscheski is a physician assistant in Merrimack, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Karissa N. Fox Koscheski's address?
Karissa N. Fox Koscheski is listed at 2 Dobson Way, Merrimack, NH 03054. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Karissa N. Fox Koscheski?
The number on file is (603) 471-6069. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Karissa N. Fox Koscheski?
Karissa N. Fox Koscheski's National Provider Identifier is 1518460229. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Karissa N. Fox Koscheski train?
Karissa N. Fox Koscheski attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Karissa N. Fox Koscheski have?
Karissa N. Fox Koscheski has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Karissa N. Fox Koscheski perform?
According to Medicare billing data, Karissa N. Fox Koscheski provides treatments such as exercise or drug-induced heart stress test with electrocardiogram with supervision by physician, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Karissa N. Fox Koscheski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Karissa N. Fox Koscheski. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.