Barbara Karpel, MD
NPI 1033111729 · Allergy & Immunology Physician · Walnut Creek, CA
Barbara Karpel, MD is a Allergy & Immunology Physician provider in Walnut Creek, CA (NPI 1033111729).
Provider details
- NPI number
- 1033111729
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G30056 (CA)
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
20 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
- 2005-08-11
- Last updated
- 2011-11-22
Frequently asked questions
- What is Barbara Karpel's NPI number?
- Barbara Karpel's National Provider Identifier (NPI) is 1033111729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Karpel's specialty?
- Barbara Karpel is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Karpel located?
- Barbara Karpel's practice location on file with NPPES is 130 La Casa Via, Walnut Creek, CA 94598-3045.
- What is Barbara Karpel's phone number?
- The practice phone number listed in the NPPES registry for Barbara Karpel is (925) 930-6252.
- Is Barbara Karpel's NPI active?
- Yes — Barbara Karpel's NPI (1033111729) is active in the NPPES registry as of the last update on 2011-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.