Provider Profile
Dianne A. London, CRNP
Unclaimed ProfileAbout Dianne London
Dianne A. London, CRNP is a nurse practitioner based in Columbia, MD. Dianne is also listed as specializing in nurse practitioner — acute care. According to Medicare claims data, Dianne cared for 32 Medicare patients across 32 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. The provider's National Provider Identifier (NPI) is 1942518824.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 740-7838
- Email not available
Practice Locations
5755 CEDAR LN
Columbia, MD 21044
Procedures Most Often Billed to Medicare
32 services · 32 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
19 | Less often than most peers in Nurse Practitioner |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Columbia 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dianne A. London?
Dianne A. London is a nurse practitioner in Columbia, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dianne A. London's address?
Dianne A. London is listed at 5755 Cedar Ln, Columbia, MD 21044. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dianne A. London?
The number on file is (410) 740-7838. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dianne A. London's NPI number?
Dianne A. London's National Provider Identifier is 1942518824. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dianne A. London train?
Dianne A. London attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dianne A. London been practicing?
Dianne A. London has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dianne A. London perform?
According to Medicare billing data, Dianne A. London the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dianne A. London confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dianne A. London. If this is you, claiming it is free.
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