NPPES file of Aug 9, 2026

Randolph Alvin Nelson, M.D.

Emergency Medicine Physician · Houston, TX

Randolph Alvin Nelson, M.D. is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1508846742, issued on Jan 21, 2006. Check the license (Texas L1949, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508846742
Name
Randolph Alvin Nelson
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
L1949 TX
Self-reported in NPPES; status is on the state search
Practice location
1401 St Joseph Pkwy, Houston, TX 77002
Phone
(713) 757-7557
Enumerated
Jan 21, 2006
Record last updated
Sep 21, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(713) 756-5922
Medicaid ID
1462699-02 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1401 St Joseph Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Andreina AhrensStudent in an Organized Health Care Education/Training Program1790480523
  2. Medina Barnes, MDEmergency Medicine Physician1740443373
  3. Senny BetancourtPhysical Therapy Assistant1467246033
  4. Capucine BuzziniNeonatal Nurse Practitioner1649867680
  5. Megan Cannon, M.D.Obstetrics & Gynecology Physician1326459470
  6. Micana Carrenard, NPFamily Nurse Practitioner1508405507

Verify Randolph Alvin Nelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L1949
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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5.1 times the Medicare Part D claims of the average emergency medicine physician in 2024

1,158 Medicare Part D claims for 546 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 280 claims were for opioids.

  1. Randolph Nelson1,158
  2. Specialty average226

Most prescribed

  1. Tramadol Hcl147 claims
  2. Hydrocodone-Acetaminophen118 claims
  3. Ondansetron Odt67 claims
  4. Pantoprazole Sodium65 claims
  5. Nitrofurantoin Mono-Macro61 claims
  6. Methocarbamol53 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Randolph Alvin Nelson among 4,885 emergency medicine physician records in Texas

Randolph Alvin Nelson, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2010 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

818 emergency medicine physician records list a practice address in Houston

They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Medina Barnes, MDHouston, TX 770021740443373
  2. Mark Im, MDHouston, TX 770021457572679
  3. Barrington Iruke, MDHouston, TX 770021861607962
  4. Anju Kuruvilla, MDHouston, TX 770021548476997
  5. Heather Renfro, MDHouston, TX 770021932729886
  6. Christopher Souders, M.D.Houston, TX 770021487679874
  7. David Wong, M.D.Houston, TX 770021366423857
  8. Troy SonHouston, TX 770031245541986

Common questions

What is Randolph Alvin Nelson, M.D.'s NPI number?

Randolph Alvin Nelson, M.D.'s National Provider Identifier (NPI) is 1508846742, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randolph Alvin Nelson, M.D. located?

The NPPES record lists a practice address at 1401 St Joseph Pkwy, Houston, TX, 77002. Phone: (713) 757-7557. Providers update this record themselves, so call before visiting.

How can I verify Randolph Alvin Nelson, M.D.'s license?

NPPES lists Texas license number L1949, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Randolph Alvin Nelson, M.D. prescribe under Medicare Part D?

In 2024, Randolph Alvin Nelson, M.D. had 1,158 Medicare Part D claims for 546 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.