Brennan Essex, PHARMD, MD
NPI 1508239112 · General Practice Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brennan Essex, PHARMD, MD is a General Practice Physician provider in Royal Oak, MI (NPI 1508239112).
Provider details
- NPI number
- 1508239112
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- PHARMD, MD
- Sex
- Male
- Sole proprietor
- No
- License
- 03334968 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Pharmacy Service Providers
Pharmacy Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
192 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 88 | $114 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 81 | $166 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 23 | $67 |
Typical Medicare-allowed amounts for these services range $67–$166 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methocarbamol | 44 | 43 |
| Ibuprofen | 41 | 39 |
| Meloxicam | 32 | 32 |
| Ondansetronbrand: Ondansetron Odt | 32 | 30 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 29 | 29 |
| Prednisone | 28 | 28 |
| Cephalexin | 27 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1525 Cherry StToledo, OH 43608-2911Phone: (419) 255-9524
Registry dates
- Enumerated
- 2015-11-04
- Last updated
- 2021-06-15
- Certified
- 2021-06-15
Frequently asked questions
- What is Brennan Essex's NPI number?
- Brennan Essex's National Provider Identifier (NPI) is 1508239112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brennan Essex's specialty?
- Brennan Essex is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Brennan Essex located?
- Brennan Essex's practice location on file with NPPES is 3601 W 13 Mile Rd, Royal Oak, MI 48073-6712.
- What is Brennan Essex's phone number?
- The practice phone number listed in the NPPES registry for Brennan Essex is (248) 898-5000.
- Does Brennan Essex accept Medicare?
- Brennan Essex is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brennan Essex's NPI active?
- Yes — Brennan Essex's NPI (1508239112) is active in the NPPES registry as of the last update on 2021-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.