Randolph Nelson, M.D.
NPI 1508846742 · Emergency Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randolph Nelson, M.D. is a Emergency Medicine Physician provider in Houston, TX (NPI 1508846742).
Provider details
- NPI number
- 1508846742
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L1949 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
381 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 | 261 | $172 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 82 | $119 |
| Critical Care, First 30-74 Minutes99291 | 25 | $209 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 13 | $82 |
Typical Medicare-allowed amounts for these services range $82–$209 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 147 | 143 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 118 | 107 |
| Ondansetronbrand: Ondansetron Odt | 67 | 66 |
| Pantoprazole Sodium | 65 | 64 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 61 | 61 |
| Methocarbamol | 53 | 52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-21
- Last updated
- 2010-09-21
Frequently asked questions
- What is Randolph Nelson's NPI number?
- Randolph Nelson's National Provider Identifier (NPI) is 1508846742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randolph Nelson's specialty?
- Randolph Nelson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Randolph Nelson located?
- Randolph Nelson's practice location on file with NPPES is 1401 St Joseph Pkwy, Houston, TX 77002-8301.
- What is Randolph Nelson's phone number?
- The practice phone number listed in the NPPES registry for Randolph Nelson is (713) 757-7557.
- Does Randolph Nelson accept Medicare?
- Randolph Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randolph Nelson's NPI active?
- Yes — Randolph Nelson's NPI (1508846742) is active in the NPPES registry as of the last update on 2010-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.