Dr. Ellen Masako Aoki, MD

  • Redwood City, CA
  • Pediatrician
NPI1801923719
Affiliated sites
1
Medical groups
2
Insurance carriers
4
State licenses
2
Year NPI issued
2007
Practice address
1190 Veterans Blvd, Redwood City, CA 94063
Practice phone
Call (650) 299-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Redwood City, California

See all 4 affiliations

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Dr. Ellen Masako Aoki is a pediatrician in Redwood City, California

Dr. Aoki practices at Permanente Medical Group Inc in Redwood City, California.

Dr. Aoki's NPI, 1801923719, was assigned on February 27, 2007. Dr. Aoki graduated from McGill University Faculty of Medicine in 1991. Dr. Aoki holds California license A63333.

NPI and contact details
NPI enumeration date
February 27, 2007
NPI status
Active
Practice phone
(650) 299-2000
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
1991

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

Dr. Ellen Masako Aoki practices at Permanente Medical Group Inc in Redwood City, California

Dr. Aoki's primary practice is Permanente Medical Group Inc, at 1190 Veterans Blvd, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.

  • Permanente Medical Group Inc
    1190 Veterans Blvd, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000

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

Dr. Ellen Masako Aoki is affiliated with 2 sites of care and 2 medical groups

Dr. Aoki's primary practice is Permanente Medical Group Inc in Redwood City, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Aoki to 1 more community health center and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Aoki

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

Dmand AI tracks the EHR system at Dr. Ellen Masako Aoki's practice

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

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ellen Masako Aoki is one of 8,236 pediatricians in California

Pediatrics is Dr. Aoki's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Aoki is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Aoki's licenses on file in 2 states: California and New Mexico.

Specialties and state licenses

  • Pediatrics, CaliforniaPrimaryLicense A63333 · 1997 to 2026 · taxonomy 208000000X
  • New Mexico license1991 to 1998

Pediatricians near Dr. Aoki

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

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

Dr. Ellen Masako Aoki's patients have a median age of 8

Across all payers, Dmand AI patient panel data puts Dr. Aoki's median patient age at 8, with 58% women.

Dr. Aoki's patients across all payers

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

Patient panel by age, all payers

Median age 8

Patient panel by sex, all payers

  • Women58%
  • Men41%

Source: Dmand AI Patient Panel Data

Dr. Ellen Masako Aoki has 1 award and honors on record

Dmand AI lists 1 award for Dr. Aoki.

Awards and honors for Dr. Aoki

  1. Undated
    • AAP Fellow

Source: Dmand AI Professional Profile Data

Dr. Ellen Masako Aoki graduated from McGill University Faculty of Medicine

Dr. Aoki graduated from McGill University Faculty of Medicine in 1991. Dr. Aoki is a member of AAP.

  1. Medical schoolMcGill University Faculty of Medicine
  2. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Ellen Masako Aoki accepts plans from 4 insurance carriers

Dr. Aoki is in network with 4 carriers, including Elevance, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Elevance
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC

Plan types Dr. Aoki accepts, by number of carriers

  1. Medicare3
  2. PPO3
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ellen Masako Aoki'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 systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Ellen Masako Aoki

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

What is Dr. Ellen Masako Aoki's NPI number?

Dr. Ellen Masako Aoki's NPI number is 1801923719. It was assigned on February 27, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ellen Masako Aoki?

Dr. Ellen Masako Aoki is a pediatrician in Redwood City, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Ellen Masako Aoki practice?

Dr. Aoki practices at 1190 Veterans Blvd, Redwood City, CA 94063. Dr. Aoki's primary practice is Permanente Medical Group Inc in Redwood City, California. Dmand AI also links Dr. Aoki to 1 community health center and 1 medical group.

What is Dr. Ellen Masako Aoki's office phone number?

The practice phone on file for Dr. Aoki is (650) 299-2000.

What is Dr. Ellen Masako Aoki's medical license number?

Dr. Aoki holds California license A63333, one of the licenses on file in 2 states.

Which states has Dr. Ellen Masako Aoki been licensed in?

Dmand AI has state licenses on file for Dr. Aoki in California (1997 to 2026) and New Mexico (1991 to 1998).

What medical group is Dr. Ellen Masako Aoki part of?

Dr. Aoki is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Aoki to 1 more medical group.

Is Dr. Ellen Masako Aoki board certified?

Yes. Dr. Aoki is board certified in pediatrics by the American Board of Pediatrics.

Where did Dr. Ellen Masako Aoki go to medical school?

Dr. Aoki graduated from McGill University Faculty of Medicine in 1991.

How long has Dr. Ellen Masako Aoki been practicing?

Dr. Aoki graduated from medical school in 1991, 35 years ago.

What insurance does Dr. Ellen Masako Aoki accept?

Dr. Aoki is in network with 4 carriers, including Elevance, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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