Karen Sleeman, N.P.
NPI 1275532228 · Adult Health Nurse Practitioner · Jamestown, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Sleeman, N.P. is a Adult Health Nurse Practitioner provider in Jamestown, NY (NPI 1275532228).
Provider details
- NPI number
- 1275532228
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- F303471 (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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 85 | 24 |
| Rivaroxabanbrand: Xarelto | 46 | — |
| Letrozole | 37 | — |
| Levothyroxine Sodium | 30 | — |
| Gabapentin | 26 | — |
| Hydroxyurea | 25 | — |
| Ondansetronbrand: Ondansetron Odt | 23 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$453 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-20
- Last updated
- 2014-05-05
Frequently asked questions
- What is Karen Sleeman's NPI number?
- Karen Sleeman's National Provider Identifier (NPI) is 1275532228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Sleeman's specialty?
- Karen Sleeman is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Sleeman located?
- Karen Sleeman's practice location on file with NPPES is 21 Porter Avenue, Jamestown, NY 14701.
- What is Karen Sleeman's phone number?
- The practice phone number listed in the NPPES registry for Karen Sleeman is (716) 664-1909.
- Does Karen Sleeman accept Medicare?
- Karen Sleeman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Sleeman's NPI active?
- Yes — Karen Sleeman's NPI (1275532228) is active in the NPPES registry as of the last update on 2014-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.