STEVEN JAMES HATTEN JR. MD
NPI 1619672391
Internal Medicine in New Haven, CT
About Steven James Hatten Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN JAMES HATTEN JR. MD (NPI 1619672391) is an individual internal medicine provider in New Haven, Connecticut, licensed in Pennsylvania (MD493866) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wynnewood, and is a graduate of Pennsylvania State University College Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Steven James Hatten Jr. Md 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 Steven Hatten reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06510 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
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 Steven Hatten's NPI number?
The NPI number for Steven Hatten is 1619672391. It was assigned to this individual provider in the NPPES registry on April 3, 2023.
Where is Steven Hatten located?
Steven Hatten practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.
What is Steven Hatten's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Hatten enrolled in Medicare?
Yes. Steven Hatten 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 Steven Hatten's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Hatten reassigns Medicare benefits to Main Line Healthcare (Newtown Square, PA). 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 Steven Hatten'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 Steven Hatten was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Steven James Hatten Jr., MD · NPI 1619672391
Internal Medicine physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since April 3, 2023.
## Identity
- **NPI:** 1619672391 (Entity type: Individual)
- **Enumerated:** April 3, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD493866 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 YORK ST, New Haven, CT 06510-3220
- **Phone:** (203) 688-4242
## 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:** Main Line Healthcare (NPI 1922077643, Newtown Square, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2023
## Record status
- **NPPES last updated:** June 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619672391) · Data from the CMS NPPES public registry.