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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.

JOHN IRWIN JR.
NPI 1710949219
Pediatrics in Baltimore, MD

Active since April 03, 2006PECOS Enrolled
80.17/100
CMS Quality Rating
3001 S HANOVER ST, SUITE 211, BALTIMORE, MD 21225(410) 350-2173 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Irwin Jr. NPPES

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

JOHN IRWIN JR. (NPI 1710949219) is an individual pediatrics provider in Baltimore, Maryland, licensed in Maryland (D0056211) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710949219
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameJOHN IRWIN JR.
Location Address3001 S HANOVER ST, SUITE 211Baltimore, MD 21225-1233
Mailing Address3001 S Hanover St, Suite 211Baltimore, MD 21225-1233 · (410) 350-2173
Phone(410) 350-2173
Sole ProprietorNo
Enumeration DateApril 3, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1710949219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MD · D0056211
Definition
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.
3001 S HANOVER ST, Baltimore, MD 21225
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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)

John Irwin Jr. 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 21225 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

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. BARUN ARYAL M.D.
Radiology (Diagnostic Radiology)
3001 S HANOVER ST, DEPT OF INTERNAL MEDICINE
BALTIMORE, MD 21225
Baltimore City (410) 350-3565
DR. MAHESWORA BAIDYA M.D.
Internal Medicine (Cardiovascular Disease)
3001 S HANOVER ST
BALTIMORE, MD 21225
Baltimore City (410) 350-3200
DR. JAMES BRUCE STRAIT III MD, PH.D.
Internal Medicine (Cardiovascular Disease)
3001 S HANOVER ST, NATIONAL INSTITUTE ON AGING, 5TH FLOOR OF HARBOR HOSP.
BALTIMORE, MD 21225
Baltimore City (202) 821-7271
HARBOR EYES OPTICAL INC
Durable Medical Equipment & Medical Supplies (Customized Equipment)
3001 S HANOVER ST, GRUEHN BUILDING SUITE 100
BALTIMORE, MD 21225
Baltimore City (410) 354-6401
ROLANDO B. ALEGADO MD PA
Specialist
3001 S HANOVER ST
BALTIMORE, MD 21225
Baltimore City (410) 354-2233
FATEH HRAKY SR.
Obstetrics & Gynecology
3001 S HANOVER ST, SUITE 301
BALTIMORE, MD 21225
Baltimore City (410) 350-0800
DR. MICHAEL ADAM SILVERMAN MD
Emergency Medicine
3001 S HANOVER ST
BALTIMORE, MD 21225
Baltimore City (410) 350-3575
JOHN J CARBONE M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3001 S HANOVER ST, GRUEHN BLDG, STE 502
BALTIMORE, MD 21225
Baltimore City (410) 350-8300

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 John Irwin's NPI number?

The NPI number for John Irwin is 1710949219. It was assigned to this individual provider in the NPPES registry on April 3, 2006.

Where is John Irwin located?

John Irwin practices at 3001 S Hanover St Suite 211, Baltimore, MD 21225. The listed phone number is (410) 350-2173.

What is John Irwin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is John Irwin enrolled in Medicare?

Yes. John Irwin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Irwin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.