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

DR. ROSEMARY ANDRIES HORSTMANN M.D.
NPI 1982603460
Psychiatry & Neurology - Psychiatry in Allentown, PA

Active since July 18, 2005
1251 S CEDAR CREST BLVD, SUITE 301 C, ALLENTOWN, PA 18103(610) 776-0211 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Rosemary Andries Horstmann M.d. NPPES

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

DR. ROSEMARY ANDRIES HORSTMANN M.D. (NPI 1982603460) is an individual psychiatry provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD-015524-E) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1982603460
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ROSEMARY ANDRIES HORSTMANNCredential: M.D.
Location Address1251 S CEDAR CREST BLVD, SUITE 301 CAllentown, PA 18103-6205
Mailing Address1251 S Cedar Crest Blvd, Suite 301 CAllentown, PA 18103-6205 · (610) 776-0211
Sole ProprietorNo
Enumeration DateJuly 18, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1982603460 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 PA · MD-015524-E
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.
1251 S CEDAR CREST BLVD, Allentown, PA 18103

Other Identifiers 2

OtherHO034745PA · Highmark Blue Shield Insu
Other01428101PA · Capital Blue Cross Insura

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.

Oral & Maxillofacial Surgery
1251 S CEDAR CREST BLVD, SUITE 311
ALLENTOWN, PA 18103
Family Medicine
1251 S CEDAR CREST BLVD, SUITE 102A
ALLENTOWN, PA 18103
Family Medicine
1251 S CEDAR CREST BLVD, SUITE 102 A
ALLENTOWN, PA 18103
Dentist (Endodontics)
1251 S CEDAR CREST BLVD, STE 111C
ALLENTOWN, PA 18103
Otolaryngology (Plastic Surgery within the Head & Neck)
1251 S CEDAR CREST BLVD, SUITE 100
ALLENTOWN, PA 18103
Allergy & Immunology
1251 S CEDAR CREST BLVD, SUITE 107C
ALLENTOWN, PA 18103
Ophthalmology
1251 S CEDAR CREST BLVD, SUITE 307
ALLENTOWN, PA 18103
Dentist (Oral and Maxillofacial Surgery)
1251 S CEDAR CREST BLVD, SUITE 311
ALLENTOWN, PA 18103

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 Rosemary Horstmann's NPI number?

The NPI number for Rosemary Horstmann is 1982603460. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Where is Rosemary Horstmann located?

Rosemary Horstmann practices at 1251 S Cedar Crest Blvd Suite 301 C, Allentown, PA 18103. The listed phone number is (610) 776-0211.

What is Rosemary Horstmann'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 Rosemary Horstmann 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 49 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.