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

DR. NICOLAS ALEJANDRO GIRALDO CASTILLO MD, PHD
NPI 1740717396
Pathology - Clinical Pathology/Laboratory Medicine in Baltimore, MD

Active since May 15, 2017PECOS Enrolled
600 N WOLFE ST RM 401, BALTIMORE, MD 21287(410) 955-3980(410) 614-9011 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2022, May 15, 2017 (2 updates tracked since 2017).

About Dr. Nicolas Alejandro Giraldo Castillo Md, Phd NPPES

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

DR. NICOLAS ALEJANDRO GIRALDO CASTILLO MD, PHD (NPI 1740717396) is an individual clinical pathology/laboratory medicine provider in Baltimore, Maryland, licensed in Maryland (5056) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740717396
Entity TypeIndividualMale
Primary Taxonomy207ZP0105X
Provider Legal NameDR. NICOLAS ALEJANDRO GIRALDO CASTILLOCredential: MD, PHD
Location Address600 N WOLFE ST RM 401Baltimore, MD 21287-0005
Mailing Address600 N Wolfe St Rm 401Baltimore, MD 21287-0005 · (410) 955-3980 · Fax (410) 614-9011
Phone(410) 955-3980
Fax(410) 614-9011
Sole ProprietorNo
Enumeration DateMay 15, 2017
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1740717396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
License✔ Licensed in MD · 5056
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
600 N WOLFE ST RM 401, Baltimore, MD 21287
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nicolas Alejandro Giraldo Castillo Md, Phd 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 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KELLY CRAVEN MD, PHD
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST RM 401
BALTIMORE, MD 21287
Baltimore City (410) 955-3439
ALEXANDRA MICHELLE VLK MD, PHD
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST RM 401
BALTIMORE, MD 21287
Baltimore City (410) 955-9790
DR. YOSEPH SAYEGH
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST RM 401
BALTIMORE, MD 21287
Baltimore City (410) 955-3980
YEH WANG
Pathology (Clinical Pathology)
600 N WOLFE ST RM 401
BALTIMORE, MD 21287
Baltimore City (773) 703-2411
DR. LAETITIA DAOU MD
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST RM 401
BALTIMORE, MD 21287
Baltimore City (410) 955-3980

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 Nicolas Giraldo Castillo's NPI number?

The NPI number for Nicolas Giraldo Castillo is 1740717396. It was assigned to this individual provider in the NPPES registry on May 15, 2017.

Where is Nicolas Giraldo Castillo located?

Nicolas Giraldo Castillo practices at 600 N Wolfe St Rm 401, Baltimore, MD 21287. The listed phone number is (410) 955-3980.

What is Nicolas Giraldo Castillo's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Nicolas Giraldo Castillo enrolled in Medicare?

Yes. Nicolas Giraldo Castillo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nicolas Giraldo Castillo was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.