DIANNE ANNETTE LONDON CRNP
NPI 1942518824
Nurse Practitioner - Acute Care in Columbia, MD
About Dianne Annette London Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNE ANNETTE LONDON CRNP (NPI 1942518824) is an individual acute care provider in Columbia, Maryland, licensed in Maryland (R153852) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS, is affiliated with University Of Md Capital Region Medical Center, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
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
Dianne Annette London Crnp 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 Reassignments
4Medicare enrollment records show Dianne London reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia enrollment
- 328 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 966 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 57 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 67 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD Capital Region Medical Center
Acute Care Hospitals · Upper Marlboro, MDUniversity Of MD Baltimore Washington Medical Center
Acute Care Hospitals · Glen Burnie, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21044 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.
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 Dianne London's NPI number?
The NPI number for Dianne London is 1942518824. It was assigned to this individual provider in the NPPES registry on September 14, 2010.
Where is Dianne London located?
Dianne London practices at 5755 Cedar Ln, Columbia, MD 21044. The listed phone number is (410) 740-7838.
What is Dianne London's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Dianne London enrolled in Medicare?
Yes. Dianne London 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 organizations bill Medicare for Dianne London's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianne London reassigns Medicare benefits to 4 organizations: Dimensions Healthcare Associates Inc (Laurel, MD), University Of Maryland Community Medical Group, Inc. (Baltimore, MD), Baltimore Washington Medical Center Inc. (Glen Burnie, MD) and Mdics At Bwmc LLC (Glen Burnie, 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 Dianne London's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dianne London affiliated with any hospitals?
According to CMS data, Dianne London is affiliated with University Of MD Capital Region Medical Center and University Of MD Baltimore Washington Medical Center.
When was this NPI record last updated?
The NPPES record for Dianne London was last updated on September 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dianne Annette London, CRNP · NPI 1942518824
Acute Care physician in Columbia, Maryland. Individual provider, active in the CMS NPPES registry since September 14, 2010.
## Identity
- **NPI:** 1942518824 (Entity type: Individual)
- **Enumerated:** September 14, 2010
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** R153852 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5755 CEDAR LN, Columbia, MD 21044-2912
- **Phone:** (410) 740-7838 · **Fax:** (410) 740-7685
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Dimensions Healthcare Associates Inc (NPI 1487714168, Laurel, MD); University Of Maryland Community Medical Group, Inc. (NPI 1477530624, Baltimore, MD); Baltimore Washington Medical Center Inc. (NPI 1831378868, Glen Burnie, MD); Mdics At Bwmc LLC (NPI 1306131578, Glen Burnie, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** September 14, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1942518824) · Data from the CMS NPPES public registry.