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Helena Marshall Grillo, RD

  • Coronado, CA
  • Registered dietitian
NPI1427939206
Medical group
1
State license
1
Year NPI issued
2025
Practice address
269 D Ave, Coronado, CA 92118
Professional email
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Personal email
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Mobile number
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Social profiles

Medical group

Fay Nutrition

San Francisco, California

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Helena Marshall Grillo is a registered dietitian in Coronado, California

Helena Grillo practices with Fay Nutrition, a medical group.

Helena Grillo's NPI, 1427939206, was assigned on September 9, 2025. Helena Grillo holds California license 86392301.

NPI and contact details
NPI
1427939206NPI Registry (opens in a new tab)
NPI enumeration date
September 9, 2025
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Helena Marshall Grillo's practice address is in Coronado, California

Helena Grillo's practice address in the NPI Registry is 269 D Ave, Coronado, CA 92118.

  • NPI Registry address
    269 D Ave, Coronado, CA 92118

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Helena Marshall Grillo is affiliated with 1 medical group

Helena Grillo is part of Fay Nutrition, a medical group in San Francisco, California.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Helena Marshall Grillo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Helena Grillo practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fay NutritionAvailable with a free account

Source: Dmand AI Technology Install Data

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Helena Marshall Grillo is one of 1,141 registered dietitians in California

Dietitian, registered is Helena Grillo's primary specialty in the NPI Registry, under taxonomy code 133V00000X. Helena Grillo is licensed in California.

Specialties and state licenses

  • Registered dietitian, CaliforniaPrimaryLicense 86392301 · taxonomy 133V00000X

Registered dietitians near Helena Grillo

Counts of registered dietitians with a Dmand AI profile, by place and practice. Each opens the list.

1,141registered dietitians in California2,018registered dietitians at Fay Nutrition

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Helena Marshall Grillo's patients have a median age of 48

Across all payers, Dmand AI patient panel data puts Helena Grillo's median patient age at 48, with 100% women.

Helena Grillo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Sources for Helena Marshall Grillo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Helena Marshall Grillo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Helena Marshall Grillo's NPI number?

Helena Marshall Grillo's NPI number is 1427939206. It was assigned on September 9, 2025, and it is active in the NPI Registry.

What does Helena Marshall Grillo specialize in?

Helena Marshall Grillo is a registered dietitian in Coronado, California. The primary specialty in the NPI Registry is Registered Dietitian (taxonomy code 133V00000X).

Where does Helena Marshall Grillo practice?

Helena Grillo practices at 269 D Ave, Coronado, CA 92118. Helena Grillo's primary practice is Fay Nutrition, a medical group.

What is Helena Marshall Grillo's medical license number?

Helena Grillo holds California license 86392301.

What medical group is Helena Marshall Grillo part of?

Helena Grillo is part of Fay Nutrition in San Francisco, California.

How long has Helena Marshall Grillo been practicing?

Helena Grillo's NPI was assigned in 2025.

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