Ryan Brennessel, D.O.
NPI 1639516701 · Emergency Medicine Physician · Holmdel, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Brennessel, D.O. is a Emergency Medicine Physician provider in Holmdel, NJ (NPI 1639516701).
Provider details
- NPI number
- 1639516701
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB10104900 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
803 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 High Level of Medical Decision Making99285 | 433 | $187 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 108 | $128 |
| Critical Care, First 30-74 Minutes99291 | 100 | $228 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 80 | $9 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 56 | $187 |
| X-Ray of Chest, 1 View71045 | 26 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 22 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 20 | 18 |
| Naproxen | 20 | 20 |
| Cyclobenzaprine Hcl | 16 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 14 |
| Cefuroxime Axetilbrand: Cefuroxime | 12 | 12 |
| Doxycycline Hyclate | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 4 records (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
Registry dates
- Enumerated
- 2013-05-30
- Last updated
- 2017-09-27
Frequently asked questions
- What is Ryan Brennessel's NPI number?
- Ryan Brennessel's National Provider Identifier (NPI) is 1639516701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Brennessel's specialty?
- Ryan Brennessel is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Brennessel located?
- Ryan Brennessel's practice location on file with NPPES is 727 N Beers St, Holmdel, NJ 07733-1514.
- What is Ryan Brennessel's phone number?
- The practice phone number listed in the NPPES registry for Ryan Brennessel is (732) 739-5900.
- Does Ryan Brennessel accept Medicare?
- Ryan Brennessel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Brennessel's NPI active?
- Yes — Ryan Brennessel's NPI (1639516701) is active in the NPPES registry as of the last update on 2017-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.