RANDOLPH ALVIN NELSON M.D.
NPI 1508846742
Emergency Medicine in Houston, TX
About Randolph Alvin Nelson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RANDOLPH ALVIN NELSON M.D. (NPI 1508846742) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (L1949) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Randolph Alvin Nelson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Randolph Nelson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 clinicians in this Medicare group
Lake Jackson, TX 77566
- Reassigned Medicare billing, Texas enrollment
- 40 clinicians in this Medicare group
Orange, TX 77630
- Reassigned Medicare billing, Texas enrollment
- 205 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77002 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HOUSTON, TX 77002
HOUSTON, TX 77002
HOUSTON, TX 77002
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 Randolph Nelson's NPI number?
The NPI number for Randolph Nelson is 1508846742. It was assigned to this individual provider in the NPPES registry on January 21, 2006.
Where is Randolph Nelson located?
Randolph Nelson practices at 1401 St Joseph Pkwy, Houston, TX 77002. The listed phone number is (713) 757-7557.
What is Randolph Nelson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Randolph Nelson enrolled in Medicare?
Yes. Randolph Nelson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Randolph Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Randolph Nelson reassigns Medicare benefits to 5 organizations: Integrative Emergency Services Physician Group-Houston PLLC (Pasadena, TX), Bay Area Emergency Partners (Lake Jackson, TX), Emergency Services Of Texas PA (Orange, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Randolph Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Randolph Nelson accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Health Advantage, Octave and Oscar Insurance Company and 1 other insurer list Randolph Nelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Randolph Nelson was last updated on September 21, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Randolph Alvin Nelson, M.D. · NPI 1508846742
Emergency Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since January 21, 2006.
## Identity
- **NPI:** 1508846742 (Entity type: Individual)
- **Enumerated:** January 21, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** L1949 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1401 ST JOSEPH PKWY, Houston, TX 77002-8301
- **Phone:** (713) 757-7557 · **Fax:** (713) 756-5922
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Integrative Emergency Services Physician Group-Houston PLLC (NPI 1801458708, Pasadena, TX); Bay Area Emergency Partners (NPI 1093032963, Lake Jackson, TX); Emergency Services Of Texas PA (NPI 1174932131, Orange, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 21, 2010
- **Other identifiers:** Other 1508846742 (TX); Medicare UPIN H48563; Other 930117290 (TX); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1508846742) · Data from the CMS NPPES public registry.