Dr. Lauretta Grzegorczyk, MD
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 2015 Bath Ave, Brooklyn, NY 11214-4857
- Practice phone
- Call (718) 266-3399
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rainbow Medical
Multi-specialty group site · Brooklyn, New York
Find Dr. Grzegorczyk'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. Lauretta Grzegorczyk is an internist in Brooklyn, New York
Dr. Grzegorczyk practices at Rainbow Medical in Brooklyn, New York.
Dr. Grzegorczyk's NPI, 1346385424, was assigned on February 20, 2007. Dr. Grzegorczyk holds New York license 172740.
- NPI
- 1346385424NPI Registry (opens in a new tab)
- NPI enumeration date
- February 20, 2007
- NPI status
- Active
- Practice phone
- (718) 266-3399
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lauretta Grzegorczyk practices at Rainbow Medical in Brooklyn, New York
Dr. Grzegorczyk's primary practice is Rainbow Medical, at 2015 Bath Ave, Brooklyn, NY 11214-4857. The practice phone is (718) 266-3399.
- Rainbow Medical2015 Bath Ave, Brooklyn, NY 11214-4857Phone(718) 266-3399
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lauretta Grzegorczyk is affiliated with 2 sites of care and 1 medical group
Dr. Grzegorczyk's primary practice is Rainbow Medical in Brooklyn, New York. Dmand AI also links Dr. Grzegorczyk to 1 physician office and 1 medical group, each 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. Lauretta Grzegorczyk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grzegorczyk practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rainbow Medical | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lauretta Grzegorczyk is one of 9,643 internists in New York
Internal medicine is Dr. Grzegorczyk's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grzegorczyk is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Grzegorczyk
Counts of internists 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
Sources for Dr. Lauretta Grzegorczyk'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) |
| 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. Lauretta Grzegorczyk
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. Lauretta Grzegorczyk's NPI number?
Dr. Lauretta Grzegorczyk's NPI number is 1346385424. It was assigned on February 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Lauretta Grzegorczyk?
Dr. Lauretta Grzegorczyk is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lauretta Grzegorczyk practice?
Dr. Grzegorczyk practices at 2015 Bath Ave, Brooklyn, NY 11214-4857. Dr. Grzegorczyk's primary practice is Rainbow Medical in Brooklyn, New York. Dmand AI also links Dr. Grzegorczyk to 1 physician office and 1 medical group.
What is Dr. Lauretta Grzegorczyk's office phone number?
The practice phone on file for Dr. Grzegorczyk is (718) 266-3399.
What is Dr. Lauretta Grzegorczyk's medical license number?
Dr. Grzegorczyk holds New York license 172740.
How long has Dr. Lauretta Grzegorczyk been practicing?
Dr. Grzegorczyk's NPI was assigned in 2007.
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