John Jansen, M.D.
NPI 1336148782 · Anatomic Pathology & Clinical Pathology Physician · Lexington, KY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Jansen, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Lexington, KY (NPI 1336148782).
Provider details
- NPI number
- 1336148782
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26685 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2005-07-19
- Last updated
- 2007-11-01
Frequently asked questions
- What is John Jansen's NPI number?
- John Jansen's National Provider Identifier (NPI) is 1336148782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Jansen's specialty?
- John Jansen is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is John Jansen located?
- John Jansen's practice location on file with NPPES is 290 Big Run Rd, Lexington, KY 40503-2903.
- What is John Jansen's phone number?
- The practice phone number listed in the NPPES registry for John Jansen is (859) 278-9513.
- Does John Jansen accept Medicare?
- John Jansen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Jansen's NPI active?
- Yes — John Jansen's NPI (1336148782) is active in the NPPES registry as of the last update on 2007-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.