Diana Pieterson
Psychiatric/Mental Health Nurse Practitioner · Randallstown, MD
Diana Pieterson is a psychiatric/mental health nurse practitioner with a practice address in Randallstown, Maryland, and NPI 1558930073, issued on Jun 19, 2021. Check the license (Maryland R187593, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Pieterson
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- R187593 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5310 Old Court RD, Randallstown, MD 21133
- Phone
- (443) 960-8216
- Enumerated
- Jun 19, 2021
- Record last updated
- Sep 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211012001475); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,373 in Maryland → Look up another NPI →
Also registered at 5310 Old Court RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raymonda Adams, LCSW-CClinical Social Worker1023445103
- Dennis Addison, MSW, LGSWClinical Social Worker1679715619
- Allan Chircus, MDGeneral Practice Physician1093708810
- Avverahalli Harish, M.D.Internal Medicine Physician1295796316
- Kingston Holcomb, LMTMassage Therapist1487937736
- Manisha Hussman, MSNPsychiatric/Mental Health Nurse Practitioner1154211316
Verify Diana Pieterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R187593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,028 Medicare Part D claims for 57 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Quetiapine Fumarate86 claims
- Sertraline Hcl69 claims
- Hydroxyzine Hcl57 claims
- Olanzapine56 claims
- Mirtazapine55 claims
- Clozapine48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Diana Pieterson among 2,373 psychiatric/mental health nurse practitioner records in Maryland
Diana Pieterson is one of 2,373 psychiatric/mental health nurse practitioner records with a practice address in Maryland. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 47% of them.
- NPI issued2021 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2021 among the 1,409 with a school on file
- Record last updated2021 · 19% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 psychiatric/mental health nurse practitioner records list a practice address in Randallstown
They are 27 of the 557 NPPES records with a practice address in Randallstown, and 2,373 psychiatric/mental health nurse practitioner records in Maryland.
All 2,373 in Maryland → Every provider in Randallstown → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Oluremi Adedapo, NPRandallstown, MD 211331548770720
- Jylla Artis, APRN-PSYCHIATRYRandallstown, MD 211331720389158
- Dana Boone, RNRandallstown, MD 211331427418631
- Sunny Diffang, CRNPRandallstown, MD 211331407480817
- Ifeoma Dunn, DNPRandallstown, MD 211331811527278
- Gideon FonRandallstown, MD 211331891304887
- Lerin Jackson, PMHNP-BCRandallstown, MD 211331336779578
- Morgan Murray, CRNPRandallstown, MD 211331316571722
Common questions
What is Diana Pieterson's NPI number?
Diana Pieterson's National Provider Identifier (NPI) is 1558930073, issued on Jun 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Diana Pieterson located?
The NPPES record lists a practice address at 5310 Old Court RD, Randallstown, MD, 21133. Phone: (443) 960-8216. Providers update this record themselves, so call before visiting.
How can I verify Diana Pieterson's license?
NPPES lists Maryland license number R187593, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Pieterson prescribe under Medicare Part D?
In 2024, Diana Pieterson had 1,028 Medicare Part D claims for 57 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.