Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ronald J Blumenfeld, M.D.
Specialist in El Paso, TX · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477550861
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Registry record
Entity type Individual (Type 1)
Name Dr. Ronald J Blumenfeld
Credential M.D.
Sex Male
Practice address 4305 N Mesa St Ste B, El Paso, TX, 79902
Phone (915) 779-7378
Fax (915) 779-2822
Enumeration date Jun 30, 2005
Last updated in NPPES Jan 28, 2020
Taxonomy & licenses
207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License D4715 (TX) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 114996504 | Medicaid | TX | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Ronald Blumenfeld practice?
The practice location on file with NPPES is in El Paso, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ronald Blumenfeld?
The National Provider Identifier (NPI) for Ronald Blumenfeld is 1477550861, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-28.