DR. BRENNAN WILLIAM ESSEX PHARMD, MD
NPI 1508239112
General Practice in Royal Oak, MI

Active since November 04, 2015PECOS Enrolled
3601 W 13 MILE RD, ROYAL OAK, MI 48073(248) 898-5000 Get Directions Write a Review

NPPES record last updated: June 15, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Brennan William Essex Pharmd, Md NPPES

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

DR. BRENNAN WILLIAM ESSEX PHARMD, MD (NPI 1508239112) is an individual general practice provider in Royal Oak, Michigan, licensed in Michigan (4351048582) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Toledo.

NPPES Registry Identity

NPI1508239112
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. BRENNAN WILLIAM ESSEXCredential: PHARMD, MD
Location Address3601 W 13 MILE RDRoyal Oak, MI 48073-6712
Mailing Address3601 W 13 Mile RdRoyal Oak, MI 48073-6712 · (248) 898-5000
Sole ProprietorNo
Enumeration DateNovember 4, 2015
Last NPPES UpdateJune 15, 2021
NPPES CertifiedJune 15, 2021
NPI 1508239112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License Licensed in MI · 4351048582
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedPharmacistTaxonomy 183500000X · License 5302045831 (MI), 03334968 (OH)
Also ListedEmergency MedicineTaxonomy 207P00000X · License 4351048582 (MI)
3601 W 13 MILE RD, Royal Oak, MI 48073

Secondary Practice Location 1

Location 11525 Cherry StToledo, OH 43608-2911 · Phone (419) 255-9524 ext. 3

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Brennan William Essex Pharmd, Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
88 services83 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
81 services79 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
23 services23 patients

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.

Emergency Medicine
3601 W 13 MILE RD, WILLIAM BEAUMONT HOSPITAL
ROYAL OAK, MI 48073
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Pathology (Anatomic Pathology & Clinical Pathology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Radiology (Diagnostic Radiology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Internal Medicine
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Internal Medicine (Gastroenterology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Surgery
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Pediatrics
3601 W 13 MILE RD
ROYAL OAK, MI 48073

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 Brennan Essex's NPI number?

The NPI number for Brennan Essex is 1508239112. It was assigned to this individual provider in the NPPES registry on November 4, 2015.

Where is Brennan Essex located?

Brennan Essex practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-5000.

What is Brennan Essex's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Brennan Essex enrolled in Medicare?

Yes. Brennan Essex is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brennan Essex was last updated on June 15, 2021. 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.