DIANA PIETERSON
NPI 1558930073
Nurse Practitioner - Psychiatric/Mental Health in Randallstown, MD

Active since June 19, 2021PECOS EnrolledAccepts Medicare Assignment
5310 OLD COURT RD, RANDALLSTOWN, MD 21133(443) 960-8216 Get Directions Write a Review

NPPES record last updated: September 22, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 22, 2021, Jun 19, 2021 (2 updates tracked since 2021).

About Diana Pieterson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA PIETERSON (NPI 1558930073) is an individual psychiatric/mental health provider in Randallstown, Maryland, licensed in Maryland (R187593) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1558930073
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDIANA PIETERSON
Location Address5310 OLD COURT RDRandallstown, MD 21133-5243
Mailing Address1035 Marshane RdReisterstown, MD 21136-5861 · (443) 850-5679
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 19, 2021
Last NPPES UpdateSeptember 22, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2021
NPI 1558930073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in MD · R187593
5310 OLD COURT RD, Randallstown, MD 21133

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Diana Pieterson 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.

PECOS PAC ID5698173243
PECOS Enrollment IDI20211012001475
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
94 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21133 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Social Worker (Clinical)
5310 OLD COURT RD, SUITE 308 OFFICE 1
RANDALLSTOWN, MD 21133
General Practice
5310 OLD COURT RD, STE 201
RANDALLSTOWN, MD 21133
Clinic/Center (Primary Care)
5310 OLD COURT RD, SUITE 305
RANDALLSTOWN, MD 21133
Nurse Practitioner (Psychiatric/Mental Health)
5310 OLD COURT RD
RANDALLSTOWN, MD 21133
Social Worker (Clinical)
5310 OLD COURT RD
RANDALLSTOWN, MD 21133
Psychologist (Clinical)
5310 OLD COURT RD
RANDALLSTOWN, MD 21133
Internal Medicine
5310 OLD COURT RD, SUITE 303
RANDALLSTOWN, MD 21133
Durable Medical Equipment & Medical Supplies
5310 OLD COURT RD, SUITE 102
RANDALLSTOWN, MD 21133

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 Diana Pieterson's NPI number?

The NPI number for Diana Pieterson is 1558930073. It was assigned to this individual provider in the NPPES registry on June 19, 2021.

Where is Diana Pieterson located?

Diana Pieterson practices at 5310 Old Court Rd, Randallstown, MD 21133. The listed phone number is (443) 960-8216.

What is Diana Pieterson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Diana Pieterson enrolled in Medicare?

Yes. Diana Pieterson 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.

What insurance does Diana Pieterson accept?

Health plans from Providence Health Plan list Diana Pieterson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diana Pieterson was last updated on September 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.