NICHOLAS MICHAEL DALESIO M.D.
NPI 1871739862
Anesthesiology in Baltimore, MD

Active since December 23, 2008PECOS Enrolled
600 N WOLFE ST, BLALOCK 904, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: July 5, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nicholas Michael Dalesio M.d. NPPES

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

NICHOLAS MICHAEL DALESIO M.D. (NPI 1871739862) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D72190) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871739862
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameNICHOLAS MICHAEL DALESIOCredential: M.D.
Location Address600 N WOLFE ST, BLALOCK 904Baltimore, MD 21287-0005
Mailing AddressPo Box 64382Baltimore, MD 21264-4382
Sole ProprietorNo
Enumeration DateDecember 23, 2008
Last NPPES UpdateJuly 5, 2012
✔ NPI 1871739862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MD · D72190
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
600 N WOLFE ST, Baltimore, MD 21287

Other Identifiers 2

Medicare PIN224466YUWMD
Medicaid045282300MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Michael Dalesio 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 Nicholas Dalesio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Allergy/Immunology
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group

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

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.

Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287

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 Nicholas Dalesio's NPI number?

The NPI number for Nicholas Dalesio is 1871739862. It was assigned to this individual provider in the NPPES registry on December 23, 2008.

Where is Nicholas Dalesio located?

Nicholas Dalesio practices at 600 N Wolfe St Blalock 904, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Nicholas Dalesio's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Nicholas Dalesio enrolled in Medicare?

Yes. Nicholas Dalesio is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicholas Dalesio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Dalesio 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 Nicholas Dalesio'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 Nicholas Dalesio was last updated on July 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.