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MICHAEL A. GRASSO MD, PHD
NPI 1407990823
Internal Medicine in Baltimore, MD

Active since February 18, 2007
22 S GREENE ST, MEDICINE, N3E09, BALTIMORE, MD 21201(410) 328-6110 Get Directions Write a Review

NPPES record last updated: September 10, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 10, 2020, Mar 17, 2018 (2 updates tracked since 2018).

About Michael A. Grasso Md, Phd NPPES

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

MICHAEL A. GRASSO MD, PHD (NPI 1407990823) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0067245) and active in the NPI registry since February 2007. He maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1407990823
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL A. GRASSOCredential: MD, PHD
Location Address22 S GREENE ST, MEDICINE, N3E09Baltimore, MD 21201-1544
Mailing Address110 S Paca St, 6th Floor, Suite 200, Department Of Emergency MedicineBaltimore, MD 21201 · (410) 328-8025
Phone(410) 328-6110
Sole ProprietorNo
Enumeration DateFebruary 18, 2007
Last NPPES UpdateSeptember 10, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2020
✔ NPI 1407990823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0067245
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedEmergency MedicineTaxonomy 207P00000X · License D0067245 (MD)
Also ListedPreventive Medicine · Clinical InformaticsTaxonomy 2083C0008X · License D0067245 (MD)
22 S GREENE ST, Baltimore, MD 21201
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Secondary Practice Location 1

Location 110 N Green StreetBaltimore, MD 20723 · Phone (410) 605-7000

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. LEONARD ANANG SOWAH M.D.
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 706-4619
VISHAL BHATNAGAR MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NANCE J FOX P.A.-C
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Baltimore City (410) 328-1170
HILARY TAMARA WOLF MD
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 328-7373
MS. LINDSAY BREAM O'MEARA CRNP
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Baltimore City (410) 328-3365
NORA T OLIVER M.D., M.P.H.
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756
SHOSHANA JO WEINER
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (617) 214-1332
JENNA VANLIERE CANZONIERO M.D.
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756

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 Michael Grasso's NPI number?

The NPI number for Michael Grasso is 1407990823. It was assigned to this individual provider in the NPPES registry on February 18, 2007.

Where is Michael Grasso located?

Michael Grasso practices at 22 S Greene St Medicine, N3e09, Baltimore, MD 21201. The listed phone number is (410) 328-6110.

What is Michael Grasso's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Michael Grasso was last updated on September 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.