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MR. GREGORY J. CALLAHAN BOCO
NPI 1497944946
Technician, Other in Baltimore, MD

Active since October 22, 2007
3900 LOCH RAVEN BLVD, BALTIMORE, MD 21218(410) 605-7000(410) 605-7677 Get Directions Write a Review

NPPES record last updated: October 22, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Gregory J. Callahan Boco NPPES

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

MR. GREGORY J. CALLAHAN BOCO (NPI 1497944946) is an individual technician, other provider in Baltimore, Maryland, licensed in Maryland (C21679) and active in the NPI registry since October 2007.

NPPES Registry Identity

NPI1497944946
Entity TypeIndividualMale
Primary Taxonomy247200000X
Provider Legal NameMR. GREGORY J. CALLAHANCredential: BOCO
Location Address3900 LOCH RAVEN BLVDBaltimore, MD 21218-2108
Mailing Address3900 Loch Raven BlvdBaltimore, MD 21218-2108 · (410) 605-7000 · Fax (410) 605-7677
Phone(410) 605-7000
Fax(410) 605-7677
Sole ProprietorNo
Enumeration DateOctober 22, 2007
✔ NPI 1497944946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTechnician, OtherTechnologists, Technicians & Other Technical Service Providers
Taxonomy Code247200000X
License✔ Licensed in MD · C21679
Definition
A collective term for persons with specialized training in various narrow fields of expertise whose occupations require training and skills in specific technical processes and procedures; and where further classification is deemed unnecessary by the user.
3900 LOCH RAVEN BLVD, Baltimore, MD 21218
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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.

MS. CARLA JANITA CARMICHAEL CTRS
Recreation Therapist
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (410) 605-7550
INDIRA KARIYAPPA DEVADAS MS., RD., LD.
Dietitian, Registered
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (410) 605-7502
MISS KEBA MARIA ARMSTRONG CRNP
Nurse Practitioner (Family)
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (410) 605-7620
JEROME FOOTMAN PTA
Physical Therapy Assistant
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (410) 605-7000
DORETTA COLEY
Social Worker (Clinical)
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (410) 605-7000
MRS. NICOLE JEAN KAISER LCSW
Social Worker
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (410) 605-7633
DR. SAIAH YATES MS, DPT
Physical Therapist
3900 LOCH RAVEN BLVD
BALTIMORE, MD 21218
Baltimore City (301) 938-6425
MRS. DEBORAH SKOOTSKY LUBOW R.N. , CRNP,
Nurse Practitioner (Gerontology)
3900 LOCH RAVEN BLVD, BLDG 2
BALTIMORE, MD 21218
Baltimore City (410) 605-7630

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 Gregory Callahan's NPI number?

The NPI number for Gregory Callahan is 1497944946. It was assigned to this individual provider in the NPPES registry on October 22, 2007.

Where is Gregory Callahan located?

Gregory Callahan practices at 3900 Loch Raven Blvd, Baltimore, MD 21218. The listed phone number is (410) 605-7000.

What is Gregory Callahan's specialty?

The primary specialty registered for this NPI is Technician, Other with taxonomy code 247200000X.

When was this NPI record last updated?

The NPPES record for Gregory Callahan was last updated on October 22, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.