Katie Karsos, PA-C
NPI 1598475931 · Physician Assistant · Jersey City, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Karsos, PA-C is a Physician Assistant provider in Jersey City, NJ (NPI 1598475931).
Provider details
- NPI number
- 1598475931
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 25MP00750300 (NJ)
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
3 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
52 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 23 | $156 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 18 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 11 | $142 |
Typical Medicare-allowed amounts for these services range $108–$156 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-11-28
- Last updated
- 2025-11-03
- Certified
- 2025-11-03
Frequently asked questions
- What is Katie Karsos's NPI number?
- Katie Karsos's National Provider Identifier (NPI) is 1598475931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Karsos's specialty?
- Katie Karsos is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Karsos located?
- Katie Karsos's practice location on file with NPPES is 355 Grand St, Jersey City, NJ 07302-4321.
- What is Katie Karsos's phone number?
- The practice phone number listed in the NPPES registry for Katie Karsos is (201) 915-2200.
- Does Katie Karsos accept Medicare?
- Katie Karsos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Karsos's NPI active?
- Yes — Katie Karsos's NPI (1598475931) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.