SAMANTHA NEALON M.D.
NPI 1053775171
Urology in Largo, MD
About Samantha Nealon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMANTHA NEALON M.D. (NPI 1053775171) is an individual urology provider in Largo, Maryland, licensed in Maryland (D0093542) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
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
Samantha Nealon 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 Samantha Nealon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Largo, MD 20774
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1730200965 (District of Columbia), NPI 1578638425 (District of Columbia), NPI 1285752121 (Maryland), NPI 1073678637 (District of Columbia), NPI 1942546486 (Maryland), NPI 1497023188 (District of Columbia)
- 752 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20774 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.
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
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 Samantha Nealon's NPI number?
The NPI number for Samantha Nealon is 1053775171. It was assigned to this individual provider in the NPPES registry on April 6, 2016. The provider is also known as Samantha Caroline Ward Nealon MD.
Where is Samantha Nealon located?
Samantha Nealon practices at 1221 Mercantile Ln, Largo, MD 20774. The listed phone number is (301) 618-5500.
What is Samantha Nealon's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Samantha Nealon enrolled in Medicare?
Yes. Samantha Nealon 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 Samantha Nealon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Nealon reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Largo, MD). 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 Samantha Nealon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Samantha Nealon affiliated with any hospitals?
According to CMS data, Samantha Nealon is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Samantha Nealon was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Samantha Nealon, M.D. · NPI 1053775171
Urology physician in Largo, Maryland. Individual provider, active in the CMS NPPES registry since April 6, 2016.
## Identity
- **NPI:** 1053775171 (Entity type: Individual)
- **Enumerated:** April 6, 2016
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** D0093542 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 MERCANTILE LN, Largo, MD 20774-5374
- **Phone:** (301) 618-5500
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1366781700, Largo, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Carolina School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** February 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1053775171) · Data from the CMS NPPES public registry.