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Deactivated NPI 1720007578 Deactivated / Inactive NPI Female Practitioner

Dr. Maria Josefina Alonso , MD

Pediatrics • Baltimore, MD

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Maria Alonso has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 19, 2006
NPI Deactivation Date May 22, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Maria Alonso, MD was a registered Pediatrics practicing in Baltimore, MD. Throughout an active medical career spanning 19 years, Dr. Alonso provided care at the practice location at 3449 WILKENS AVE until profile deactivation on 2025-05-22.

Practice Location & Contact Primary Location

Practice Address

3449 Wilkens Ave
Suite 208

Baltimore, MD 212295281

Telephone 4106445400
Fax 4106448862
Associated Practice Facility / Clinic
🏢 Antoniades Orthopaedics, Llc Facility NPI 1710913934

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Baltimore, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 15.5 Yrs
State Avg: 25.7 Yrs
Regional Practice Density
540 Specialists

Practicing in Baltimore, MD (1907 Statewide)

Telehealth Adoption Rate
0.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License MD D15297

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
Tracey Worsley , FNP

Nurse Practitioner - Family

NPI 1063165728

Family Nurse Practitioner

NPI 1144269713

Doctor of Medicine (M.D.)

Rachel Heibein , NP-C

Nurse Practitioner - Family

NPI 1225481245

Nurse Practitioner (Certified)

Dr. Paul Apostolo , MD

Orthopaedic Surgery

NPI 1295776730

Doctor of Medicine (M.D.)

Dr. Edward Layne , MD

Neurological Surgery

NPI 1417925264

Doctor of Medicine (M.D.)

NPI 1578522165

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated May 22, 2025

Record deactivated on May 22, 2025

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 3449 WILKENS AVE, SUITE 208, BALTIMORE, MD 212295281 (Tel: 4106445400)

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Updated Business Mailing Address July 08, 2007

Registered at 3130 EDGEWOOD RD, ELLICOTT CITY, MD 210433420

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Provider Name / Credentials Updated July 08, 2007

Recorded as MARIA ALONSO, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Pediatrics (License #D15297 in MD)

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Initial NPI Registration & Enumeration July 19, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1720007578
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 19, 2006
Last Update: July 08, 2007
Deactivation Date: May 22, 2025

Mailing Address

3130 Edgewood Rd

Ellicott City, MD 210433420

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.