NPPES file of Aug 9, 2026

Nathan Ryan Box, MD

Critical Care Medicine (Internal Medicine) Physician · Houston, TX

Nathan Ryan Box, MD is a critical care medicine (internal medicine) physician with a practice address in Houston, Texas, and NPI 1174152284, issued on Apr 2, 2020. Check the license (Texas T6839, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1174152284
Name
Nathan Ryan Box
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
T6839 TX
Self-reported in NPPES; status is on the state search
Practice location
1515 Holcombe Blvd, Houston, TX 77030
Phone
(713) 792-6161
Enumerated
Apr 2, 2020
Record last updated
Jul 17, 2026
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.
Download card Updates feed

8 nearest critical care medicine (internal medicine) physician records → All 413 in Texas → Look up another NPI →

Also registered at 1515 Holcombe Blvd

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

  1. Ashley Aaroe, MDNeurology Physician1902295793
  2. Linda Abad, PA-CPhysician Assistant1063928240
  3. Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
  4. Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
  5. James Abbruzzese, M.D.Medical Oncology Physician1134233224
  6. Karim Abdeldaem, MDEmergency Medicine Physician1558056200

Verify Nathan Ryan Box in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T6839    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Nathan Ryan Box among 413 critical care medicine (internal medicine) physician records in Texas

Nathan Ryan Box, MD is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 94% of them.

  • NPI issued2020 · 94% of these records are older, 3% newer
  • In a Medicare fileNo · 90% of these records are
  • In the CMS Doctors and Clinicians fileNo · 84% of these records are
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Texas

There are 413 critical care medicine (internal medicine) physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 413 in Texas → Every provider in Houston → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Bindu Akkanti, M.DHouston, TX 770301982663514
  2. Donna Calabrese, M.D.Houston, TX 770301538144845
  3. Christopher Cortes, M.D.Houston, TX 770301447258959
  4. John Crommett, M.D.Houston, TX 770301932141892
  5. Javier Finkielman, M.D.Houston, TX 770301083651962
  6. James Herlihy, M.D.Houston, TX 770301972555449
  7. David Powner, M.D.Houston, TX 770301417996356
  8. Iqbal Ratnani, M.D.Houston, TX 770301861440190

Common questions

What is Nathan Ryan Box, MD's NPI number?

Nathan Ryan Box, MD's National Provider Identifier (NPI) is 1174152284, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Ryan Box, MD located?

The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.

How can I verify Nathan Ryan Box, MD's license?

NPPES lists Texas license number T6839, 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.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.