Physician Profile
Jeffrey R. Gruen, MD
Unclaimed ProfileAbout Dr. Gruen
Jeffrey R. Gruen, MD is a healthcare provider in New Haven, CT specializing in pediatric neonatal-perinatal medicine. Jeffrey trained at Tulane University School of Medicine, graduating in 1981.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 688-2320
- Email not available
Practice Locations
20 YORK ST YNHH (CHILDREN'S) WEST PAVILION - 2ND FLOOR
New Haven, CT 06504
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pediatric neonatals at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pediatric neonatals in New Haven 7
Same specialty, same city.
More connections — 12 related providers in 2 groups
Trained at Tulane University School of Medicine 4
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Tulane University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Gruen specialize in?
Dr. Gruen is a pediatric neonatal in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatric Neonatal-Perinatal Medicine”.
NPI registry
Where is Dr. Gruen located?
Dr. Gruen is listed at 20 York St Ynhh (Children's) West Pavilion - 2Nd Floor, New Haven, CT 06504. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gruen's phone number?
The number on file is (203) 688-2320. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gruen?
Dr. Gruen's National Provider Identifier is 1598748709. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Gruen go to medical school?
Dr. Gruen attended Tulane University School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gruen have?
Dr. Gruen has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Gruen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gruen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.