Nathanael Marsan
NPI 1619331469 · Emergency Medicine Physician · Live Oak, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathanael Marsan is a Emergency Medicine Physician provider in Live Oak, TX (NPI 1619331469).
Provider details
- NPI number
- 1619331469
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- S3236 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
437 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 199 | $182 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 157 | $126 |
| Critical Care, First 30-74 Minutes99291 | 51 | $221 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 30 | $74 |
Typical Medicare-allowed amounts for these services range $74–$221 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 44 | 44 |
| Cephalexin | 31 | 31 |
| Oxycodone Hcl | 21 | 21 |
| Famotidine | 20 | 20 |
| Methocarbamol | 18 | 17 |
| Dicyclomine Hcl | 18 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-07
- Last updated
- 2022-03-15
- Certified
- 2022-03-15
Frequently asked questions
- What is Nathanael Marsan's NPI number?
- Nathanael Marsan's National Provider Identifier (NPI) is 1619331469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathanael Marsan's specialty?
- Nathanael Marsan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathanael Marsan located?
- Nathanael Marsan's practice location on file with NPPES is 12412 Judson Rd, Live Oak, TX 78233-3272.
- What is Nathanael Marsan's phone number?
- The practice phone number listed in the NPPES registry for Nathanael Marsan is (718) 283-6000.
- Does Nathanael Marsan accept Medicare?
- Nathanael Marsan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathanael Marsan's NPI active?
- Yes — Nathanael Marsan's NPI (1619331469) is active in the NPPES registry as of the last update on 2022-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.