Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JONATHAN D BOOK M.D.
NPI 1093796799
Psychiatry & Neurology - Psychiatry in Sykesville, MD

Q: What is Jonathan Book's NPI number?

The NPI number for Jonathan Book is 1093796799. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Q: What is Jonathan Book's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jonathan Book was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.

Active since November 09, 2005

SPRINGFIELD HOSPITAL CENTER, 6655 SYKESVILLE RD., SYKESVILLE, MD 21784(410) 970-7006(410) 970-7005 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Jonathan D Book M.d. NPPES

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

DR. JONATHAN D BOOK M.D. (NPI 1093796799) is an individual psychiatry provider in Sykesville, Maryland, licensed in Maryland (D0018281) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1093796799

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. JONATHAN D BOOKCredential: M.D.

Location AddressSPRINGFIELD HOSPITAL CENTER, 6655 SYKESVILLE RD.Sykesville, MD 21784

Mailing Address10 Chellis CtOwings Mills, MD 21117-1634 · (410) 998-3552

Phone(410) 970-7006

Fax(410) 970-7005

Sole ProprietorNo

Enumeration DateNovember 9, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1093796799 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 MD · D0018281

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.

SPRINGFIELD HOSPITAL CENTER, Sykesville, MD 21784

Open in Google Maps ↗

Other Providers at the Same Location NPPES 2

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

DR. KUMARASWAMY S KUMARACHANDRAN MD

Psychiatry & Neurology (Psychiatry)

SPRINGFIELD HOSPITAL CENTER, 6655 SYKESVILLE RD
SYKESVILLE, MD 21784

Carroll County (410) 970-7277

DR. LILY IKEMDI NWAKA-ORAEGBU MD

General Practice

SPRINGFIELD HOSPITAL CENTER, 6655 SYKESVILLE ROAD
SYKESVILLE, MD 21784

Carroll County (410) 970-7000

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 Jonathan Book's NPI number?

The NPI number for Jonathan Book is 1093796799. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is Jonathan Book located?

Jonathan Book practices at Springfield Hospital Center 6655 Sykesville Rd., Sykesville, MD 21784. The listed phone number is (410) 970-7006.

What is Jonathan Book'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 Jonathan Book was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.