Potomac Family Allergy and Asthma, LLC
NPI 1578601795 · Allergy Physician · Rockville, MD
Potomac Family Allergy and Asthma, LLC is a Allergy Physician organization in Rockville, MD (NPI 1578601795).
Provider details
- NPI number
- 1578601795
- Entity type
- Organization
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Heidi Isenberg-Feig, Owner(301) 770-7007
- License
- D0056547 (MD)
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
19 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
- 2007-02-01
- Last updated
- 2020-08-22
Frequently asked questions
- What is Potomac Family Allergy and Asthma, LLC's NPI number?
- Potomac Family Allergy and Asthma, LLC's National Provider Identifier (NPI) is 1578601795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Potomac Family Allergy and Asthma, LLC?
- Potomac Family Allergy and Asthma, LLC is classified in the NPPES registry as Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Potomac Family Allergy and Asthma, LLC located?
- Potomac Family Allergy and Asthma, LLC's practice location on file with NPPES is 11119 Rockville Pike, Rockville, MD 20852-3143.
- What is Potomac Family Allergy and Asthma, LLC's phone number?
- The practice phone number listed in the NPPES registry for Potomac Family Allergy and Asthma, LLC is (301) 770-7007.
- Who is the authorized official for Potomac Family Allergy and Asthma, LLC?
- The authorized official listed on Potomac Family Allergy and Asthma, LLC's NPPES record is Heidi Isenberg-Feig, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Potomac Family Allergy and Asthma, LLC's NPI active?
- Yes — Potomac Family Allergy and Asthma, LLC's NPI (1578601795) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.