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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ASHLEY MARIE ADDONISIO
NPI 1538929104
Psychologist - Clinical in Baltimore, MD

Active since March 20, 2024PECOS Enrolled
3901 GREENSPRING AVE, BALTIMORE, MD 21211(443) 923-7630 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Ashley Marie Addonisio NPPES

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

ASHLEY MARIE ADDONISIO (NPI 1538929104) is an individual clinical provider in Baltimore, Maryland, licensed in Maryland (07533) and active in the NPI registry since March 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538929104
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameASHLEY MARIE ADDONISIO
Location Address3901 GREENSPRING AVEBaltimore, MD 21211-1353
Mailing Address3901 Greenspring AveBaltimore, MD 21211-1353
Phone(443) 923-7630
Sole ProprietorYes
Enumeration DateMarch 20, 2024
Last NPPES UpdateOctober 8, 2026
NPPES CertifiedOctober 8, 2026
✔ NPI 1538929104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MD · 07533
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
3901 GREENSPRING AVE, Baltimore, MD 21211
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ashley Marie Addonisio is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21211 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
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.

DR. ERICKA LISLE WODKA PH.D.
Clinical Neuropsychologist
3901 GREENSPRING AVE
BALTIMORE, MD 21211
Baltimore City (443) 923-7717
RACHEL REETZKE CCC-SLP
Speech-Language Pathologist
3901 GREENSPRING AVE
BALTIMORE, MD 21211
Baltimore City (443) 923-1871
DR. LESIA MALKO TRICKETT M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3901 GREENSPRING AVE
BALTIMORE, MD 21211
Baltimore City (443) 923-5932
DR. PAMELA ANNE MATHY PHD CCC SLP
Speech-Language Pathologist
3901 GREENSPRING AVE
BALTIMORE, MD 21211
Baltimore City (443) 923-7880
NA YOUNG JI M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3901 GREENSPRING AVE, PSYCHIATRY MAIL ROOM, KENNEDY KRIEGER INSTITUTE
BALTIMORE, MD 21211
Baltimore City (433) 923-7793
ROMA VASA M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3901 GREENSPRING AVE, KENNEDY KRIEGER INSTITUTE, DEPTARTMENT OF PSYCHIATRY
BALTIMORE, MD 21211
Baltimore City (443) 923-2643
MRS. ERIN MOXEY SLP
Speech-Language Pathologist
3901 GREENSPRING AVE
BALTIMORE, MD 21211
Baltimore City (574) 298-0395
SARAH BARNES LCSW-C
Social Worker (Clinical)
3901 GREENSPRING AVE
BALTIMORE, MD 21211
Baltimore City (443) 974-2345

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 Ashley Addonisio's NPI number?

The NPI number for Ashley Addonisio is 1538929104. It was assigned to this individual provider in the NPPES registry on March 20, 2024.

Where is Ashley Addonisio located?

Ashley Addonisio practices at 3901 Greenspring Ave, Baltimore, MD 21211. The listed phone number is (443) 923-7630.

What is Ashley Addonisio's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Ashley Addonisio enrolled in Medicare?

Yes. Ashley Addonisio is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ashley Addonisio was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.