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Ivy Marx, R.D.
NPI 1588056774 · Registered Dietitian · Los Angeles, CA
Ivy Marx, R.D. is a Registered Dietitian provider in Los Angeles, CA (NPI 1588056774).
Provider details
- NPI number
- 1588056774
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 714127 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
808 W 58th St
Los Angeles, CA 90037-3632
Phone: (323) 541-1600
Street-level locationGet directions
Mailing address
222 S Figueroa St
Los Angeles, CA 90012-2542
Registry dates
- Enumerated
- 2015-02-24
- Last updated
- 2015-02-24
Frequently asked questions
- What is Ivy Marx's NPI number?
- Ivy Marx's National Provider Identifier (NPI) is 1588056774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivy Marx's specialty?
- Ivy Marx is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Ivy Marx located?
- Ivy Marx's practice location on file with NPPES is 808 W 58th St, Los Angeles, CA 90037-3632.
- What is Ivy Marx's phone number?
- The practice phone number listed in the NPPES registry for Ivy Marx is (323) 541-1600.
- Is Ivy Marx's NPI active?
- Yes — Ivy Marx's NPI (1588056774) is active in the NPPES registry as of the last update on 2015-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.