John R. Leopold, APRN
- Medicare patients, 2024
- 29
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 100 Reserve Rd, Danbury, CT 06810
- Practice phone
- Call (203) 739-7742
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nuvance Health Medical Practice CT, Inc.
Danbury, Connecticut
Find John Leopold's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John R. Leopold is a family nurse practitioner in Danbury, Connecticut
John Leopold practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.
John Leopold's NPI, 1891880803, was assigned on October 4, 2006. John Leopold holds Connecticut license 003045.
- NPI
- 1891880803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325049471
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 739-7742
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John R. Leopold practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut
John Leopold's primary practice is Nuvance Health Medical Practice CT, Inc., at 100 Reserve Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7742.
- Nuvance Health Medical Practice CT, Inc.100 Reserve Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7742
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John R. Leopold is affiliated with 2 sites of care and 1 medical group
John Leopold's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. John Leopold is also affiliated with Northwell Danbury Hospital. The medical group on file is Danbury Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John R. Leopold's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Leopold practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nuvance Health Medical Practice CT, Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
John R. Leopold is one of 2,105 family nurse practitioners in Connecticut
Family is John Leopold's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. John Leopold is licensed in Connecticut.
Specialties and state licenses
- Family nurse practitioner, ConnecticutPrimary
Family nurse practitioners near John Leopold
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John R. Leopold treated 29 Medicare patients in 2024, average age 77
CMS counts 29 Medicare patients who saw John Leopold in 2024. The largest group is 75 to 84, with 13 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts John Leopold's median patient age at 79, with 40% women.
John Leopold's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Leopold's Medicare patients by sex, 2024
- Women1138%
- Men1862%
Chronic conditions among John Leopold's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Stroke or TIA59%
- Arthritis55%
- Atrial fibrillation55%
- Depression48%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
John Leopold's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women40%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John R. Leopold takes part in Medicare
John Leopold accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for John R. Leopold's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John R. Leopold
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John R. Leopold's NPI number?
John R. Leopold's NPI number is 1891880803. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What does John R. Leopold specialize in?
John R. Leopold is a family nurse practitioner in Danbury, Connecticut. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does John R. Leopold practice?
John Leopold practices at 100 Reserve Rd, Danbury, CT 06810. John Leopold's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.
What is John R. Leopold's office phone number?
The practice phone on file for John Leopold is (203) 739-7742.
What is John R. Leopold's medical license number?
John Leopold holds Connecticut license 003045.
Which hospitals is John R. Leopold affiliated with?
John Leopold is affiliated with Northwell Danbury Hospital.
What medical group is John R. Leopold part of?
John Leopold is linked to Danbury Medical Group.
Does John R. Leopold accept Medicare?
Yes. CMS lists John Leopold as accepting Medicare assignment.
How many Medicare patients does John R. Leopold see?
CMS counts 29 Medicare patients who saw John Leopold in 2024, with an average age of 77.
How long has John R. Leopold been practicing?
John Leopold graduated from medical school in 2002, 24 years ago.
Selling to family practices?
See family nurse practitioners in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card