SEAMUS PAUL WHELTON MD
NPI 1093982639
Internal Medicine in Baltimore, MD
About Seamus Paul Whelton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAMUS PAUL WHELTON MD (NPI 1093982639) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D73427) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Tulane University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Seamus Paul Whelton Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Seamus Whelton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 39 clinicians in this Medicare group
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 444 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDGreater Baltimore Medical Center
Acute Care Hospitals · Baltimore, MDJohns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDUniversity Of MD St Joseph Medical Center
Acute Care Hospitals · Towson, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Seamus Whelton's NPI number?
The NPI number for Seamus Whelton is 1093982639. It was assigned to this individual provider in the NPPES registry on May 13, 2008.
Where is Seamus Whelton located?
Seamus Whelton practices at 2024 E Monument St Suite 2-622, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Seamus Whelton's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Seamus Whelton enrolled in Medicare?
Yes. Seamus Whelton is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Seamus Whelton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seamus Whelton reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Greater Baltimore Medical Center, Inc. (Baltimore, MD). Each 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 Seamus Whelton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Seamus Whelton affiliated with any hospitals?
According to CMS data, Seamus Whelton is affiliated with Johns Hopkins Hospital, The, Johns Hopkins Bayview Medical Center, Greater Baltimore Medical Center, Johns Hopkins Howard County Medical Center and University Of MD St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Seamus Whelton was last updated on March 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Seamus Paul Whelton, MD · NPI 1093982639
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 13, 2008.
## Identity
- **NPI:** 1093982639 (Entity type: Individual)
- **Enumerated:** May 13, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D73427 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2024 E MONUMENT ST, SUITE 2-622, Baltimore, MD 21287-0007
- **Phone:** (410) 955-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1023018413, Baltimore, MD); Johns Hopkins University (NPI 1801891080, Baltimore, MD); Greater Baltimore Medical Center, Inc. (NPI 1013739382, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 1, 2013
- **Other identifiers:** Medicare PIN 238823Y82 (MD); Medicaid 053141300 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1093982639) · Data from the CMS NPPES public registry.