SPYRIDON MARINOPOULOS M.D.
NPI 1538101803
Internal Medicine in Lutherville, MD
About Spyridon Marinopoulos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SPYRIDON MARINOPOULOS M.D. (NPI 1538101803) is an individual internal medicine provider in Lutherville, Maryland, licensed in Maryland (D57757) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Spyridon Marinopoulos M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Spyridon Marinopoulos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lutherville, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 21093 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.
LUTHERVILLE TIMONIUM, MD 21093
LUTHERVILLE, MD 21093
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 Spyridon Marinopoulos's NPI number?
The NPI number for Spyridon Marinopoulos is 1538101803. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is Spyridon Marinopoulos located?
Spyridon Marinopoulos practices at 10755 Falls Rd, Lutherville, MD 21093. The listed phone number is (410) 583-2883.
What is Spyridon Marinopoulos's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Spyridon Marinopoulos enrolled in Medicare?
Yes. Spyridon Marinopoulos is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Spyridon Marinopoulos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Spyridon Marinopoulos reassigns Medicare benefits to Johns Hopkins University (Lutherville, 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 Spyridon Marinopoulos'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 Spyridon Marinopoulos was last updated on February 12, 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.
# Spyridon Marinopoulos, M.D. · NPI 1538101803
Internal Medicine physician in Lutherville, Maryland. Individual provider, active in the CMS NPPES registry since June 12, 2006.
## Identity
- **NPI:** 1538101803 (Entity type: Individual)
- **Enumerated:** June 12, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D57757 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 10755 FALLS RD, Lutherville, MD 21093-4515
- **Phone:** (410) 583-2883
## 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:** Johns Hopkins University (NPI 1255315339, Lutherville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 12, 2013
- **Other identifiers:** Medicaid 696601200 (MD); Medicare PIN KR65B655 (MD); Medicare UPIN H11353 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1538101803) · Data from the CMS NPPES public registry.