Provider Profile
Diana Pieterson is a nurse practitioner based in Randallstown, MD. Diana is also listed as specializing in nurse practitioner — psychiatric/mental health. According to Medicare claims data, the services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1558930073.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5310 OLD COURT RD
Randallstown, MD 21133
94 services · 16 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
94 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Diana Pieterson is a nurse practitioner in Randallstown, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Diana Pieterson is listed at 5310 Old Court Rd, Randallstown, MD 21133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (443) 960-8216. Contact the office directly to confirm availability and scheduling.
NPI registry
Diana Pieterson's National Provider Identifier is 1558930073. 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
Diana Pieterson attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Diana Pieterson has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Diana Pieterson 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
Not yet. This profile is built from public federal data and has not been confirmed by Diana Pieterson. If this is you, claiming it is free.
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