Dr. Aaron James Simko, MD

  • Agua Dulce, CA
  • Neonatologist
NPI1548209240
Publications
4
Industry payments
$196
Affiliated sites
1
Insurance carriers
3
State licenses
3
Practice address
32237 Agua Dulce Canyon Rd, Agua Dulce, CA 91390
Practice phone
Call (818) 571-9841
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Valley Recovery Center of Agua Dulce

Agua Dulce, California

See all 2 affiliations

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Dr. Aaron James Simko is a neonatologist in Agua Dulce, California

Dr. Simko practices at Valley Recovery Center of Agua Dulce in Agua Dulce, California.

Dr. Simko's NPI, 1548209240, was assigned on June 6, 2006. Dr. Simko graduated from University of Illinois College of Medicine - Chicago in 1984. Dr. Simko's California license number on file is G627350.

NPI and contact details
NPI enumeration date
June 6, 2006
NPI status
Active
Practice phone
(818) 571-9841
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1984

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

Dr. Aaron James Simko practices at Valley Recovery Center of Agua Dulce in Agua Dulce, California

Dr. Simko's primary practice is Valley Recovery Center of Agua Dulce, at 32237 Agua Dulce Canyon Rd, Agua Dulce, CA 91390 in Los Angeles County. The practice phone is (818) 571-9841.

  • Valley Recovery Center of Agua Dulce
    32237 Agua Dulce Canyon Rd, Agua Dulce, CA 91390 · Los Angeles CountyPhone(818) 571-9841

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

Dr. Aaron James Simko is affiliated with 2 sites of care

Dr. Simko's primary practice is Valley Recovery Center of Agua Dulce in Agua Dulce, California. Dmand AI also links Dr. Simko to 1 physician office, named with a free account.

Valley Recovery Center of Agua DulceAgua Dulce, CaliforniaPrimary
1 physician officeName with a free account
See all 2 affiliations for Dr. Simko

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

Dmand AI tracks the EHR system at Dr. Aaron James Simko's practice

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

EHR by site
SiteEHR vendor and product
Valley Recovery Center of Agua DulceAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aaron James Simko is one of 780 neonatologists in California

Neonatal-perinatal medicine is Dr. Simko's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Simko is board certified in neonatal-perinatal medicine by the American Board of Pediatrics. Dmand AI has Dr. Simko's licenses on file in 3 states: California, Nevada and Ohio.

Specialties and state licenses

  • Neonatal-perinatal medicine, CaliforniaPrimaryLicense G627350 · 1988 to 2025 · taxonomy 2080N0001X
  • Nevada license2017 to 2021
  • Ohio license1986 to 1988

Neonatologists near Dr. Simko

Counts of neonatologists 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. Aaron James Simko's patients have a median age of 2

Across all payers, Dmand AI patient panel data puts Dr. Simko's median patient age at 2, with 36% women.

Dr. Simko's patients across all payers

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

Patient panel by age, all payers

Median age 2

Patient panel by sex, all payers

  • Women36%
  • Men64%

Source: Dmand AI Patient Panel Data

Dr. Aaron James Simko has 4 publications on record

Dmand AI links 4 papers to Dr. Simko. The most frequent topics are Blood Flow Velocity, Cerebrovascular Circulation and Extracorporeal Membrane Oxygenation. Dr. Simko's most frequent co-authors are Henry Franklin Krous, MD and Riad Mardoum, MD.

Papers4

Topics Dr. Simko writes about most

  • Blood Flow Velocity
  • Cerebrovascular Circulation
  • Extracorporeal Membrane Oxygenation
  • Ultrasonography

Dr. Simko's most frequent co-authors

Recent publications by Dr. Simko

See all 4 publications and co-authors

See who Dr. Simko researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Simko works with, so you can find a warm path to the right neonatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Aaron James Simko received $196 in industry payments from 2016 to 2019

CMS Open Payments shows 2 general payments to Dr. Simko from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Enterprises LLC paid the most, $103.

General payments to Dr. Simko by program year, 2016 to 2019

Companies that paid Dr. Simko the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Simko

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Aaron James Simko graduated from University of Illinois College of Medicine - Chicago

Dr. Simko graduated from University of Illinois College of Medicine - Chicago in 1984.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in neonatal-perinatal medicineAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Aaron James Simko accepts plans from 3 insurance carriers

Dr. Simko is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and NV State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • NV State Medicaid

Plan types Dr. Simko accepts, by number of carriers

  1. Medicare2
  2. PPO2
  3. EPO1
  4. HMO1
  5. Medicaid1
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Aaron James Simko'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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Aaron James Simko

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. Aaron James Simko's NPI number?

Dr. Aaron James Simko's NPI number is 1548209240. It was assigned on June 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Aaron James Simko?

Dr. Aaron James Simko is a neonatologist in Agua Dulce, California. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).

Where does Dr. Aaron James Simko practice?

Dr. Simko practices at 32237 Agua Dulce Canyon Rd, Agua Dulce, CA 91390. Dr. Simko's primary practice is Valley Recovery Center of Agua Dulce in Agua Dulce, California. Dmand AI also links Dr. Simko to 1 physician office.

What is Dr. Aaron James Simko's office phone number?

The practice phone on file for Dr. Simko is (818) 571-9841.

What is Dr. Aaron James Simko's medical license number?

Dr. Simko's California license number on file is G627350, one of the licenses on file in 3 states.

Which states has Dr. Aaron James Simko been licensed in?

Dmand AI has state licenses on file for Dr. Simko in California (1988 to 2025), Nevada (2017 to 2021) and Ohio (1986 to 1988).

Is Dr. Aaron James Simko board certified?

Yes. Dr. Simko is board certified in neonatal-perinatal medicine by the American Board of Pediatrics.

Where did Dr. Aaron James Simko go to medical school?

Dr. Simko graduated from University of Illinois College of Medicine - Chicago in 1984.

Has Dr. Aaron James Simko received payments from drug or device companies?

CMS Open Payments shows $196 in general payments to Dr. Simko from 2 companies from 2016 to 2019. The largest total came from Mallinckrodt Enterprises LLC.

How long has Dr. Aaron James Simko been practicing?

Dr. Simko graduated from medical school in 1984, 42 years ago.

Show 3 more questionsShow fewer questions

Does Dr. Aaron James Simko do research?

Dmand AI links 4 publications to Dr. Simko.

Who does Dr. Aaron James Simko publish with?

Dr. Simko's most frequent co-authors are Henry Franklin Krous, MD (1 shared paper) and Riad Mardoum, MD (1 shared paper).

What insurance does Dr. Aaron James Simko accept?

Dr. Simko is in network with 3 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and NV State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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