Dr. Karen Heather Koser, MD
- Hospital affiliations
- 1
- Industry payments
- $83
- Medical groups
- 3
- Insurance carriers
- 12
- State licenses
- 2
- Practice address
- 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027
- Practice phone
- Call (323) 669-2164
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koser's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Karen Heather Koser is a developmental - behavioral pediatrics physician in Los Angeles, California
Dr. Koser practices at Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles.
Dr. Koser's NPI, 1861703787, was assigned on June 24, 2010. Dr. Koser graduated from SUNY Downstate Health Sciences University in 2010. Dr. Koser holds California license C162529.
- NPI
- 1861703787NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2010
- NPI status
- Active
- Practice phone
- (323) 669-2164
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Karen Heather Koser practices at Children's Hospital Los Angeles in Los Angeles, California
Dr. Koser's primary practice is Children's Hospital Los Angeles, at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 669-2164.
- Children's Hospital Los Angeles4650 Sunset Blvd, MS 108, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 669-2164
Source: Dmand AI Affiliation Data
Dr. Karen Heather Koser is affiliated with 2 sites of care and 3 medical groups
Dr. Koser's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Koser to 2 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen Heather Koser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital Los Angeles | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Children's Hospital Los Angeles and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karen Heather Koser is one of 128 developmental - behavioral pediatrics physicians in California
Developmental - behavioral pediatrics is Dr. Koser's primary specialty in the NPI Registry, under taxonomy code 2080P0006X. Dr. Koser is board certified in developmental-behavioral pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Koser's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Developmental - behavioral pediatrics, CaliforniaPrimary
- Pediatrics, New York
Clinical focus
Dmand AI lists diabetic emergency among the conditions Dr. Koser treats.
Developmental - behavioral pediatrics physicians near Dr. Koser
Counts of developmental - behavioral pediatrics physicians 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. Karen Heather Koser's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Koser's median patient age at 9, with 33% women.
Dr. Koser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Karen Heather Koser received $83 in industry payments from 2016 to 2017
CMS Open Payments shows 5 general payments to Dr. Koser from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $66.
General payments to Dr. Koser by program year, 2016 to 2017
Companies that paid Dr. Koser the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen Heather Koser graduated from SUNY Downstate Health Sciences University
Dr. Koser graduated from SUNY Downstate Health Sciences University in 2010. Dr. Koser is a member of AAP and Society for Developmental & Behavioral Pediatrics.
- Medical school
- Board certified in developmental-behavioral pediatrics
- Board certified in pediatrics
- Board certified in bls
- Board certified in reiki 1 certified
Source: Dmand AI Professional Profile Data
Dr. Karen Heather Koser accepts plans from 12 insurance carriers
Dr. Koser is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Molina
- Regence Health Plans
- +4 more carriersWith a free account
Plan types Dr. Koser accepts, by number of carriers
- Medicare7
- PPO7
- HMO5
- POS4
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Karen Heather Koser's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karen Heather Koser
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. Karen Heather Koser's NPI number?
Dr. Karen Heather Koser's NPI number is 1861703787. It was assigned on June 24, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Heather Koser?
Dr. Karen Heather Koser is a developmental - behavioral pediatrics physician in Los Angeles, California. The primary specialty in the NPI Registry is Developmental - Behavioral Pediatrics Physician (taxonomy code 2080P0006X).
Where does Dr. Karen Heather Koser practice?
Dr. Koser practices at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027. Dr. Koser's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles. Dmand AI also links Dr. Koser to 2 medical groups and 1 community health center.
What is Dr. Karen Heather Koser's office phone number?
The practice phone on file for Dr. Koser is (323) 669-2164.
What is Dr. Karen Heather Koser's medical license number?
Dr. Koser holds California license C162529, one of the licenses on file in 2 states.
Which states has Dr. Karen Heather Koser been licensed in?
Dmand AI has state licenses on file for Dr. Koser in California (2019 to 2027) and New York (2012 to 2026).
Which hospitals is Dr. Karen Heather Koser affiliated with?
Dr. Koser practices at Children's Hospital Los Angeles in Los Angeles, California.
What medical group is Dr. Karen Heather Koser part of?
Dr. Koser is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Koser to 2 more medical groups.
Is Dr. Karen Heather Koser board certified?
Yes. Dr. Koser is board certified in developmental-behavioral pediatrics by the American Board of Pediatrics.
Where did Dr. Karen Heather Koser go to medical school?
Dr. Koser graduated from SUNY Downstate Health Sciences University in 2010.
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Has Dr. Karen Heather Koser received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Dr. Koser from 2 companies from 2016 to 2017. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Karen Heather Koser been practicing?
Dr. Koser graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Karen Heather Koser accept?
Dr. Koser is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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