Allergy & Asthma Center-Katz, M.D., Ltd.
NPI 1285807537 · Allergy & Immunology Physician · Las Vegas, NV
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allergy & Asthma Center-Katz, M.D., Ltd. is a Allergy & Immunology Physician organization in Las Vegas, NV (NPI 1285807537).
Provider details
- NPI number
- 1285807537
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jason Bellak, Owner(702) 360-6100
- License
- 8163 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Joel L Katz
Registry dates
- Enumerated
- 2008-04-08
- Last updated
- 2025-09-02
- Certified
- 2024-04-08
Frequently asked questions
- What is Allergy & Asthma Center-Katz, M.D., Ltd.'s NPI number?
- Allergy & Asthma Center-Katz, M.D., Ltd.'s National Provider Identifier (NPI) is 1285807537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Allergy & Asthma Center-Katz, M.D., Ltd.?
- Allergy & Asthma Center-Katz, M.D., Ltd. is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Allergy & Asthma Center-Katz, M.D., Ltd. located?
- Allergy & Asthma Center-Katz, M.D., Ltd.'s practice location on file with NPPES is 2625 Box Canyon Dr, Las Vegas, NV 89128-0450.
- What is Allergy & Asthma Center-Katz, M.D., Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Allergy & Asthma Center-Katz, M.D., Ltd. is (702) 360-6100.
- Does Allergy & Asthma Center-Katz, M.D., Ltd. accept Medicare?
- Allergy & Asthma Center-Katz, M.D., Ltd. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Allergy & Asthma Center-Katz, M.D., Ltd.?
- The authorized official listed on Allergy & Asthma Center-Katz, M.D., Ltd.'s NPPES record is Jason Bellak, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Allergy & Asthma Center-Katz, M.D., Ltd.'s NPI active?
- Yes — Allergy & Asthma Center-Katz, M.D., Ltd.'s NPI (1285807537) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.