Dr. Leonard E. Grauer, MD
- Part D claims, 2024
- 17
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 1952 Whitney Ave, Hamden, CT 06517-1209
- Practice phone
- Call (203) 773-3055
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cardiology Group
Medical specialty practice · Hamden, Connecticut
Find Dr. Grauer'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.
Dr. Leonard E. Grauer is a cardiologist in Connecticut
Dr. Grauer practices at Cardiology Group in Hamden, Connecticut.
Dr. Grauer's NPI, 1023019726, was assigned on August 3, 2005. Dr. Grauer holds Connecticut license 13960.
- NPI
- 1023019726NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2005
- NPI status
- Active
- Practice phone
- (203) 773-3055
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard E. Grauer practices at Cardiology Group in Hamden, Connecticut
Dr. Grauer's primary practice is Cardiology Group, at 1952 Whitney Ave, Hamden, CT 06517-1209. The practice phone is (203) 773-3055.
- Cardiology Group1952 Whitney Ave, Hamden, CT 06517-1209Phone(203) 773-3055
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard E. Grauer is affiliated with 1 site of care and 1 medical group
Dr. Grauer's primary practice is Cardiology Group in Hamden, Connecticut. Dmand AI also links Dr. Grauer to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Leonard E. Grauer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grauer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cardiology Group | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard E. Grauer is one of 423 cardiologists in Connecticut
Cardiovascular disease is Dr. Grauer's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Grauer is licensed in Connecticut.
Specialties and state licenses
- Cardiovascular disease, ConnecticutPrimary
Cardiologists near Dr. Grauer
Counts of cardiologists 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
Dr. Leonard E. Grauer's patients have a median age of 85
Across all payers, Dmand AI patient panel data puts Dr. Grauer's median patient age at 85, with 100% women.
Dr. Grauer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 85
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Leonard E. Grauer wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Grauer wrote 17 Medicare Part D claims. 88% of them were for generic drugs.
Dr. Grauer's Part D claims by kind of drug, 2024
- Generic15 claims88%
- Brand-name and other2 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. Leonard E. Grauer'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Dr. Leonard E. Grauer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leonard E. Grauer's NPI number?
Dr. Leonard E. Grauer's NPI number is 1023019726. It was assigned on August 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard E. Grauer?
Dr. Leonard E. Grauer is a cardiologist in Connecticut. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Leonard E. Grauer practice?
Dr. Grauer practices at 1952 Whitney Ave, Hamden, CT 06517-1209. Dr. Grauer's primary practice is Cardiology Group in Hamden, Connecticut. Dmand AI also links Dr. Grauer to 1 medical group.
What is Dr. Leonard E. Grauer's office phone number?
The practice phone on file for Dr. Grauer is (203) 773-3055.
What is Dr. Leonard E. Grauer's medical license number?
Dr. Grauer holds Connecticut license 13960.
How long has Dr. Leonard E. Grauer been practicing?
Dr. Grauer's NPI was assigned in 2005.
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