Karen Mestan, MD
NPI 1942253356 · Neonatal-Perinatal Medicine Physician · San Diego, CA
Karen Mestan, MD is a Neonatal-Perinatal Medicine Physician provider in San Diego, CA (NPI 1942253356).
Provider details
- NPI number
- 1942253356
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036099977 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3 documented practice locations
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
Additional practice locations (2)
- 9300 Campus Point DrLa Jolla, CA 92037-1300Phone: (858) 249-5800
- 225 E Chicago AveChicago, IL 60611-2991Phone: (312) 227-4000
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2021-08-04
- Certified
- 2021-08-04
Frequently asked questions
- What is Karen Mestan's NPI number?
- Karen Mestan's National Provider Identifier (NPI) is 1942253356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mestan's specialty?
- Karen Mestan is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Mestan located?
- Karen Mestan's practice location on file with NPPES is 3010 Childrens Way, San Diego, CA 92123-4223.
- What is Karen Mestan's phone number?
- The practice phone number listed in the NPPES registry for Karen Mestan is (858) 966-5818.
- Is Karen Mestan's NPI active?
- Yes — Karen Mestan's NPI (1942253356) is active in the NPPES registry as of the last update on 2021-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.