DR. SAMUEL LIVINGSTON SEWARD JR. M.D.
NPI 1215090469
Internal Medicine in New York, NY
About Dr. Samuel Livingston Seward Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL LIVINGSTON SEWARD JR. M.D. (NPI 1215090469) is an individual internal medicine provider in New York, New York, licensed in New York (206332) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Dr. Samuel Livingston Seward Jr. M.d. 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 Samuel Seward reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 769 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 10019 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 YORK, NY 10019
NEW YORK, NY 10019
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 Samuel Seward's NPI number?
The NPI number for Samuel Seward is 1215090469. It was assigned to this individual provider in the NPPES registry on December 19, 2006.
Where is Samuel Seward located?
Samuel Seward practices at 425 W 59th St Health Services At Columbia University, New York, NY 10019. The listed phone number is (212) 492-5500.
What is Samuel Seward's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Samuel Seward enrolled in Medicare?
Yes. Samuel Seward 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 Samuel Seward's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Seward reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Samuel Seward'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 Samuel Seward was last updated on May 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.
# Dr. Samuel Livingston Seward Jr., M.D. · NPI 1215090469
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since December 19, 2006.
## Identity
- **NPI:** 1215090469 (Entity type: Individual)
- **Enumerated:** December 19, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 206332 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 425 W 59TH ST, HEALTH SERVICES AT COLUMBIA UNIVERSITY, New York, NY 10019-8022
- **Phone:** (212) 492-5500 · **Fax:** (212) 492-5505
## 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:** Icahn School Of Medicine At Mount Sinai (NPI 1124550280, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1994
## Record status
- **NPPES last updated:** May 23, 2016
- **Other identifiers:** Medicare UPIN G88885 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1215090469) · Data from the CMS NPPES public registry.