1. Home
  2. Directory
  3. Maryland
  4. Baltimore
  5. Pediatrics
  6. NPI Profile

MARILEE ALLEN M.D.
NPI 1861457350
Pediatrics in Baltimore, MD

Active since April 19, 2006PECOS Enrolled
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-5259 Get Directions Write a Review

NPPES record last updated: January 24, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marilee Allen M.d. NPPES

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

MARILEE ALLEN M.D. (NPI 1861457350) is an individual pediatrics provider in Baltimore, Maryland, licensed in Maryland (520595110) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861457350
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARILEE ALLENCredential: M.D.
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing AddressPo Box 64316Baltimore, MD 21264-4316
Phone(410) 955-5259
Sole ProprietorNo
Enumeration DateApril 19, 2006
Last NPPES UpdateJanuary 24, 2014
✔ NPI 1861457350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MD · 520595110
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.
600 N WOLFE ST, Baltimore, MD 21287
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedKR48MD07MD
Medicare UPIND78006MD
Medicaid316631700MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marilee Allen M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Marilee Allen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
Same address
Pediatric Allergy/Immunology
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1023018413 (410) 933-1182

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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.

PAMELA KIMZEY DONOHUE SCD, PA-C
Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Baltimore City (410) 955-5232
MR. CHRISTOPHER DAVID SCHRIEBER M.S., PA-C
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Baltimore City (410) 955-8708
DR. SABRINA CHRISTINE SOPHA M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-3580
SANDRA KING D.H.
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Baltimore City (410) 955-6662
THERESA J RUDDY C.P.N.P., CRNP
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5260
DR. SUMAN PAUL M.B.B.S, PHD
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MS. SARAH CATHERINE COLLICA
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (443) 287-4701
JEFF S EHRESMAN
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000

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 Marilee Allen's NPI number?

The NPI number for Marilee Allen is 1861457350. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Marilee Allen located?

Marilee Allen practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5259.

What is Marilee Allen's specialty?

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

Is Marilee Allen enrolled in Medicare?

Yes. Marilee Allen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marilee Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilee Allen reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilee Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marilee Allen was last updated on January 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.