MS. LORRAINE R. DIANA NP
NPI 1144208711
Nurse Practitioner - Obstetrics & Gynecology in Leonardtown, MD
About Ms. Lorraine R. Diana Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LORRAINE R. DIANA NP (NPI 1144208711) is an individual obstetrics & gynecology provider in Leonardtown, Maryland, licensed in Maryland (R069788) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 (PECOS)
Ms. Lorraine R. Diana Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lorraine Diana reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brandywine, MD 20613
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Mgmc LLC
- 116 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 20650 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
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 Lorraine Diana's NPI number?
The NPI number for Lorraine Diana is 1144208711. It was assigned to this individual provider in the NPPES registry on January 4, 2006. The provider is also known as Lorraine R. Merranko.
Where is Lorraine Diana located?
Lorraine Diana practices at 40900 Merchants Ln, Leonardtown, MD 20650. The listed phone number is (301) 997-1315.
What is Lorraine Diana's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Lorraine Diana enrolled in Medicare?
Yes. Lorraine Diana is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lorraine Diana's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lorraine Diana reassigns Medicare benefits to Medstar Medical Group II LLC (Brandywine, 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 Lorraine Diana'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 Lorraine Diana was last updated on May 2, 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.
# Ms. Lorraine R. Diana, NP · NPI 1144208711
Obstetrics & Gynecology physician in Leonardtown, Maryland. Individual provider, active in the CMS NPPES registry since January 4, 2006.
## Identity
- **NPI:** 1144208711 (Entity type: Individual)
- **Enumerated:** January 4, 2006
- **Primary specialty:** Nurse Practitioner - Obstetrics & Gynecology · taxonomy 363LX0001X
- **State license:** R069788 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 40900 MERCHANTS LN, Leonardtown, MD 20650-3795
- **Phone:** (301) 997-1315 · **Fax:** (301) 997-1110
## 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:** Medstar Medical Group II LLC (NPI 1285064550, Brandywine, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 2, 2016
- **Other identifiers:** Medicare UPIN VAD000
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Source: [NPI Profile](https://npiprofile.com/npi/1144208711) · Data from the CMS NPPES public registry.