Karen Castoro, FNP
NPI 1306807896 · Family Nurse Practitioner · Johnson City, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Castoro, FNP is a Family Nurse Practitioner provider in Johnson City, NY (NPI 1306807896).
Provider details
- NPI number
- 1306807896
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F332763-1 (NY)
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
20 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
137 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $54 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 29 | $22 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 18 | $14 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 17 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 12 | $80 |
Typical Medicare-allowed amounts for these services range $14–$80 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 48 | 24 |
| Zolpidem Tartrate | 23 | — |
| Alendronate Sodium | 23 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 18 | — |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 17 | 13 |
| Clobetasol Propionate | 16 | 15 |
| Oxybutynin Chloride | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-01
- Last updated
- 2020-01-17
- Certified
- 2020-01-17
Frequently asked questions
- What is Karen Castoro's NPI number?
- Karen Castoro's National Provider Identifier (NPI) is 1306807896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Castoro's specialty?
- Karen Castoro is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Castoro located?
- Karen Castoro's practice location on file with NPPES is 401 Main St Ste 1, Johnson City, NY 13790-2065.
- What is Karen Castoro's phone number?
- The practice phone number listed in the NPPES registry for Karen Castoro is (607) 754-9870.
- Does Karen Castoro accept Medicare?
- Karen Castoro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Castoro's NPI active?
- Yes — Karen Castoro's NPI (1306807896) is active in the NPPES registry as of the last update on 2020-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.