IndividualActive
Gretchen Sumortin
NPI 1518520691 · Registered Dietitian · Newport Beach, CA
Gretchen Sumortin is a Registered Dietitian provider in Newport Beach, CA (NPI 1518520691).
Provider details
- NPI number
- 1518520691
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4060 Campus Dr Ste 110
Newport Beach, CA 92660-2205
Phone: (562) 412-1767
Street-level locationGet directions
Mailing address
6303 Seaborn Street
Lakewood, CA 90713
Registry dates
- Enumerated
- 2019-04-15
- Last updated
- 2019-04-15
Frequently asked questions
- What is Gretchen Sumortin's NPI number?
- Gretchen Sumortin's National Provider Identifier (NPI) is 1518520691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Sumortin's specialty?
- Gretchen Sumortin is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Gretchen Sumortin located?
- Gretchen Sumortin's practice location on file with NPPES is 4060 Campus Dr Ste 110, Newport Beach, CA 92660-2205.
- What is Gretchen Sumortin's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Sumortin is (562) 412-1767.
- Is Gretchen Sumortin's NPI active?
- Yes — Gretchen Sumortin's NPI (1518520691) is active in the NPPES registry as of the last update on 2019-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.