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DR. MARTIN JOSEPH GRENNAN JR. M.D.
NPI 1861560039
Anesthesiology - Pain Medicine in Youngstown, OH

Active since December 04, 2006
1044 BELMONT AVE, YOUNGSTOWN, OH 44504(330) 480-3296(330) 480-2926 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Martin Joseph Grennan Jr. M.d. NPPES

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

DR. MARTIN JOSEPH GRENNAN JR. M.D. (NPI 1861560039) is an individual pain medicine provider in Youngstown, Ohio, licensed in Ohio (35073744) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1861560039
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameDR. MARTIN JOSEPH GRENNAN JR.Credential: M.D.
Location Address1044 BELMONT AVEYoungstown, OH 44504-1006
Mailing Address2601 Fountain Hills DrWexford, PA 15090-7815 · (724) 934-5736 · Fax (724) 934-5971
Phone(330) 480-3296
Fax(330) 480-2926
Sole ProprietorNo
Enumeration DateDecember 4, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1861560039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in OH · 35073744
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
1044 BELMONT AVE, Youngstown, OH 44504
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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.

DR. MICHAEL ALLEN VAN WINKLE D.O
Internal Medicine
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 480-3676
DANIEL PAUL SABO
Orthopaedic Surgery
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 480-7142
JANELLE RHODES
Pharmacist
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 480-3868
DONALD HUFF RD,LD
Dietitian, Registered
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-7211
AUSTIN CAMPBELL SRNA
Registered Nurse (Critical Care Medicine)
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 746-7211
SHANNA MICHELE WIRTZ AG-ACNP
Student in an Organized Health Care Education/Training Program
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (000) 000-0000
MAHONING VALLEY EMERGENCY SPECIALISTS LLC
Emergency Medicine
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (844) 474-4019
DR. JOHN K SONTICH MD
Orthopaedic Surgery
1044 BELMONT AVE
YOUNGSTOWN, OH 44504
Mahoning County (330) 480-3990

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 Martin Grennan's NPI number?

The NPI number for Martin Grennan is 1861560039. It was assigned to this individual provider in the NPPES registry on December 4, 2006.

Where is Martin Grennan located?

Martin Grennan practices at 1044 Belmont Ave, Youngstown, OH 44504. The listed phone number is (330) 480-3296.

What is Martin Grennan's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

When was this NPI record last updated?

The NPPES record for Martin Grennan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.