Karen Castoro, FNP
Family Nurse Practitioner · Johnson City, NY
Karen Castoro, FNP is a family nurse practitioner with a practice address in Johnson City, New York, and NPI 1306807896, issued on Apr 1, 2006. Check the license (New York F332763-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Castoro
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F332763-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 401 Main St Ste 1, Johnson City, NY 13790
- Phone
- (607) 754-9870
- Enumerated
- Apr 1, 2006
- Record last updated
- Jan 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (607) 785-9862
- Medicaid ID
- 2110772 NY
- Medicare enrollment
- Enrolled (PECOS I20071128000219); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 401 Main St Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Castoro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F332763-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family nurse practitioner in 2024
331 Medicare Part D claims for 114 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol48 claims
- Alendronate Sodium23 claims
- Zolpidem Tartrate23 claims
- Estradiol (Twice Weekly)18 claims
- Clotrimazole-Betamethasone17 claims
- Clobetasol Propionate16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Our Lady OF Lourdes Memorial Hospital IncVestal, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Castoro among 14,805 family nurse practitioner records in New York
Karen Castoro, FNP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1999 · median 2019 among the 7,239 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 family nurse practitioner records list a practice address in Johnson City
They are 73 of the 949 NPPES records with a practice address in Johnson City, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Johnson City → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cathleen Baynar, FNPJohnson City, NY 137901336378835
- Barbara Brozovic, FNPJohnson City, NY 137901881793529
- Stacy Congdon, FNPJohnson City, NY 137901265661490
- Sandra Coughlin, NNPJohnson City, NY 137901083822027
- Brett Dietzman, FNPJohnson City, NY 137901255561825
- Maureen McPhee, FNPJohnson City, NY 137901659470326
- David Robinson, FNPJohnson City, NY 137901225363450
- Carol Rogers, CONPJohnson City, NY 137901790774354
Common questions
What is Karen Castoro, FNP's NPI number?
Karen Castoro, FNP's National Provider Identifier (NPI) is 1306807896, issued on Apr 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Castoro, FNP located?
The NPPES record lists a practice address at 401 Main St Ste 1, Johnson City, NY, 13790. Phone: (607) 754-9870. Providers update this record themselves, so call before visiting.
How can I verify Karen Castoro, FNP's license?
NPPES lists New York license number F332763-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Castoro, FNP prescribe under Medicare Part D?
In 2024, Karen Castoro, FNP had 331 Medicare Part D claims for 114 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Karen Castoro, FNP's MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.