Bethesda Allergy & Asthma Clinic, LLC
NPI 1639334865 · Allergy & Immunology Physician · Bethesda, MD
Bethesda Allergy & Asthma Clinic, LLC is a Allergy & Immunology Physician organization in Bethesda, MD (NPI 1639334865).
Provider details
- NPI number
- 1639334865
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Irons, Sole Member(301) 564-4090
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Registry dates
- Enumerated
- 2008-07-28
- Last updated
- 2009-04-29
Frequently asked questions
- What is Bethesda Allergy & Asthma Clinic, LLC's NPI number?
- Bethesda Allergy & Asthma Clinic, LLC's National Provider Identifier (NPI) is 1639334865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Bethesda Allergy & Asthma Clinic, LLC?
- Bethesda Allergy & Asthma Clinic, LLC is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Bethesda Allergy & Asthma Clinic, LLC located?
- Bethesda Allergy & Asthma Clinic, LLC's practice location on file with NPPES is 10401 Old Georgetown Rd, Bethesda, MD 20814-1911.
- What is Bethesda Allergy & Asthma Clinic, LLC's phone number?
- The practice phone number listed in the NPPES registry for Bethesda Allergy & Asthma Clinic, LLC is (301) 564-4090.
- Who is the authorized official for Bethesda Allergy & Asthma Clinic, LLC?
- The authorized official listed on Bethesda Allergy & Asthma Clinic, LLC's NPPES record is John Irons, Sole Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Bethesda Allergy & Asthma Clinic, LLC's NPI active?
- Yes — Bethesda Allergy & Asthma Clinic, LLC's NPI (1639334865) is active in the NPPES registry as of the last update on 2009-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.