1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Psychiatry Neurology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DANIEL M GRIMES M.D.
NPI 1043267420
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since May 30, 2006
221 LONGWOOD AVE, BOSTON, MA 02115(617) 667-2300 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Daniel M Grimes M.d. NPPES

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

DANIEL M GRIMES M.D. (NPI 1043267420) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (227985) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1043267420
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDANIEL M GRIMESCredential: M.D.
Location Address221 LONGWOOD AVEBoston, MA 02115-5804
Mailing Address1600 Massachusetts Ave, Apt 806Cambridge, MA 02138-2915 · (617) 667-2300
Phone(617) 667-2300
Sole ProprietorNo
Enumeration DateMay 30, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1043267420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 227985
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

221 LONGWOOD AVE, Boston, MA 02115
Open in Google Maps ↗

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. RANDALL H PAULSEN MD
Psychiatry & Neurology (Psychiatry)
221 LONGWOOD AVE, MEZZANINE DEPT OF PSYCHIATRY
BOSTON, MA 02115
Suffolk County (617) 732-6753
JEREMIAH M SCHARF MD PHD
Psychiatry & Neurology (Neurology)
221 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 732-8060
DR. KIRK R DAFFNER MD
Psychiatry & Neurology (Neurology)
221 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 732-8060
JEAN E MULDER MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
221 LONGWOOD AVE, RFB2, ENDOCRINOLOGY DIABETES AND HYPERTENSION
BOSTON, MA 02115
Suffolk County (617) 632-5100
DR. AARON PHILIP NELSON PH.D.
Clinical Neuropsychologist
221 LONGWOOD AVE, BRIGHAM BEHAVIORAL NEUROLOGY GROUP
BOSTON, MA 02115
Suffolk County (617) 732-8060
MEGHAN M SEARL PHD
Psychologist
221 LONGWOOD AVE, BRIGHAM BEHAVIROAL NEUROLOGY
BOSTON, MA 02115
Suffolk County (617) 732-8060
DR. JOHN ANDREW RAINIER GRIMALDI JR. M.D.
Psychiatry & Neurology (Psychiatry)
221 LONGWOOD AVE, RF-M56
BOSTON, MA 02115
Suffolk County (617) 732-6753
DANIEL WILLIAM CRAMER MD SCD
Obstetrics & Gynecology (Gynecology)
221 LONGWOOD AVE, BRIGHAM AND WOMENS HOSP DEPT OF OBSTETRICS AND GYNECOLO
BOSTON, MA 02115
Suffolk County (617) 732-4895

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 Daniel Grimes's NPI number?

The NPI number for Daniel Grimes is 1043267420. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Daniel Grimes located?

Daniel Grimes practices at 221 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 667-2300.

What is Daniel Grimes's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Daniel Grimes was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.