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Heidi Isenberg-Feig, M.D.
NPI 1790783470 · Allergy Physician · Rockville, MD
Heidi Isenberg-Feig, M.D. is a Allergy Physician provider in Rockville, MD (NPI 1790783470).
Provider details
- NPI number
- 1790783470
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0056547 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
6000 Executive Blvd
Suite 625
Rockville, MD 20852-3803
Phone: (240) 314-7080
Fax: (240) 314-7082
Street-level locationGet directions
Mailing address
3100 Wyman Park Dr
Baltimore, MD 21211-2803
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2012-10-11
Frequently asked questions
- What is Heidi Isenberg-Feig's NPI number?
- Heidi Isenberg-Feig's National Provider Identifier (NPI) is 1790783470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Isenberg-Feig's specialty?
- Heidi Isenberg-Feig is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Heidi Isenberg-Feig located?
- Heidi Isenberg-Feig's practice location on file with NPPES is 6000 Executive Blvd, Rockville, MD 20852-3803.
- What is Heidi Isenberg-Feig's phone number?
- The practice phone number listed in the NPPES registry for Heidi Isenberg-Feig is (240) 314-7080.
- Is Heidi Isenberg-Feig's NPI active?
- Yes — Heidi Isenberg-Feig's NPI (1790783470) is active in the NPPES registry as of the last update on 2012-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.