Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Natalya Ruben Grigoryan, MD

Individual provider Emergency Medicine Physician · NPI 1811485394

Natalya Ruben Grigoryan, MD is an Emergency Medicine in West Hills, California. Qualified in 2016, 10 years ago. Practices with Emergency Services of Iowa LLC, a 10-clinician group and accepts Medicare assignment. Licensed in California and Iowa.

Years since qualifying
10
Licensed in
CA, IA
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7300 Medical Center Dr
West Hills, CA 91307-1902
Phone: (818) 676-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A174112 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD-54985 (IA)

Record details

NPI number1811485394
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 30, 2018
Last updated in NPPESJuly 2, 2025
Certification dateJuly 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Emergency Services Of Iowa Llc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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