MR. JOHN R. LEOPOLD APRN
NPI 1891880803
Nurse Practitioner - Family in Danbury, CT
About Mr. John R. Leopold Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN R. LEOPOLD APRN (NPI 1891880803) is an individual family provider in Danbury, Connecticut, licensed in Connecticut (003045) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. John R. Leopold Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Leopold reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DANBURY, CT 06810
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Leopold's NPI number?
The NPI number for John Leopold is 1891880803. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is John Leopold located?
John Leopold practices at 24 Hospital Ave, Danbury, CT 06810. The listed phone number is (203) 885-3051.
What is John Leopold's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is John Leopold enrolled in Medicare?
Yes. John Leopold is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Leopold's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Leopold reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Leopold's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Leopold was last updated on December 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. John R. Leopold, APRN · NPI 1891880803
Family physician in Danbury, Connecticut. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1891880803 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 003045 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 24 HOSPITAL AVE, Danbury, CT 06810-6099
- **Phone:** (203) 885-3051
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** December 6, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1891880803) · Data from the CMS NPPES public registry.