DR. JOSEPH DAVID DIAZ M.D.
NPI 1417948241
Allergy & Immunology in San Antonio, TX

Q: What is Joseph Diaz's NPI number?

The NPI number for Joseph Diaz is 1417948241. It was assigned to this individual provider in the NPPES registry on November 1, 2005.

Q: What is Joseph Diaz's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Diaz was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since November 01, 2005PECOS EnrolledAccepts Medicare Assignment

2414 BABCOCK RD, SUITE 109, SAN ANTONIO, TX 78229(210) 616-0882(210) 692-7833 Get Directions Write a Review

NPPES record last updated: October 16, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Joseph David Diaz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOSEPH DAVID DIAZ M.D. (NPI 1417948241) is an individual allergy & immunology provider in San Antonio, Texas, licensed in Texas (G4980) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1417948241

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDR. JOSEPH DAVID DIAZCredential: M.D.

Location Address2414 BABCOCK RD, SUITE 109San Antonio, TX 78229-4870

Mailing Address2414 Babcock Rd, Suite 109San Antonio, TX 78229-4870 · (210) 616-0882 · Fax (210) 692-7833

Phone(210) 616-0882

Fax(210) 692-7833

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateNovember 1, 2005

Last NPPES UpdateOctober 16, 2007

✔ NPI 1417948241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in TX · G4980

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

2414 BABCOCK RD, San Antonio, TX 78229

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Other Identifiers 2

Medicare PIN81T251TX

Medicare UPINC15224TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joseph David Diaz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587846746

PECOS Enrollment IDI20250829002113

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

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.

Injection, omalizumab, 5 mg J2357

Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.

1,653 services17 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

340 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

152 services73 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

89 services45 patients

Test to measure the level of nitric oxide gas 95012

A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.

71 services34 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

60 services33 patients

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BEXAR COUNTY HEALTHCARE SYSTEMS

Social Worker

2414 BABCOCK RD
SAN ANTONIO, TX 78229

Bexar County (210) 940-1525

EXPECARE, LP

Clinic/Center (Urgent Care)

2414 BABCOCK RD
SAN ANTONIO, TX 78229

Bexar County (817) 472-7601

DR. LUKENA ULHAS KARKHANIS M.D.

Allergy & Immunology

2414 BABCOCK RD, #109
SAN ANTONIO, TX 78229

Bexar County (210) 616-0882

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 Joseph Diaz's NPI number?

The NPI number for Joseph Diaz is 1417948241. It was assigned to this individual provider in the NPPES registry on November 1, 2005.

Where is Joseph Diaz located?

Joseph Diaz practices at 2414 Babcock Rd Suite 109, San Antonio, TX 78229. The listed phone number is (210) 616-0882.

What is Joseph Diaz's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Joseph Diaz enrolled in Medicare?

Yes. Joseph Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joseph Diaz accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Joseph Diaz 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 Joseph Diaz was last updated on October 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.