Dr. Gary Mark Smithson, MBA, MD
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 15
- State license
- 1
- Year NPI issued
- 2006
- 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. Smithson'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. Gary Mark Smithson is a pediatrician in Los Angeles, California
Dr. Smithson practices at Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles.
Dr. Smithson's NPI, 1235235508, was assigned on September 15, 2006. Dr. Smithson graduated from University Of Cincinnati College Of Medicine in 1975. Dr. Smithson holds California license G32388.
- NPI
- 1235235508NPI Registry (opens in a new tab)
- NPI enumeration date
- September 15, 2006
- NPI status
- Active
- Practice phone
- (323) 669-2164
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary Mark Smithson practices at Children's Hospital Los Angeles in Los Angeles, California
Dr. Smithson'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. Gary Mark Smithson is affiliated with 1 site of care and 1 medical group
Dr. Smithson'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 Children's Hospital Los Angeles Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary Mark Smithson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Smithson practices. 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 |
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. Gary Mark Smithson is one of 8,236 pediatricians in California
Pediatrics is Dr. Smithson's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Smithson is board certified in pediatrics by the American Board of Pediatrics. Dr. Smithson is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Smithson
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. Gary Mark Smithson's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Smithson's median patient age at 9, with 48% women.
Dr. Smithson'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
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Gary Mark Smithson graduated from University Of Cincinnati College Of Medicine
Dr. Smithson graduated from University Of Cincinnati College Of Medicine in 1975.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Gary Mark Smithson accepts plans from 15 insurance carriers
Dr. Smithson is in network with 15 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- LA Care
- Molina
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Smithson accepts, by number of carriers
- HMO8
- PPO8
- POS5
- EPO4
- Medicare4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary Mark Smithson'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 |
| 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. Gary Mark Smithson
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. Gary Mark Smithson's NPI number?
Dr. Gary Mark Smithson's NPI number is 1235235508. It was assigned on September 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary Mark Smithson?
Dr. Gary Mark Smithson is a pediatrician in Los Angeles, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gary Mark Smithson practice?
Dr. Smithson practices at 4650 Sunset Blvd, MS 108, Los Angeles, CA 90027. Dr. Smithson's primary practice is Children's Hospital Los Angeles in Los Angeles, California, part of Children's Hospital Los Angeles.
What is Dr. Gary Mark Smithson's office phone number?
The practice phone on file for Dr. Smithson is (323) 669-2164.
What is Dr. Gary Mark Smithson's medical license number?
Dr. Smithson holds California license G32388.
Which hospitals is Dr. Gary Mark Smithson affiliated with?
Dr. Smithson practices at Children's Hospital Los Angeles in Los Angeles, California.
What medical group is Dr. Gary Mark Smithson part of?
Dr. Smithson is linked to Children's Hospital Los Angeles Medical Group.
Is Dr. Gary Mark Smithson board certified?
Yes. Dr. Smithson is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Gary Mark Smithson go to medical school?
Dr. Smithson graduated from University Of Cincinnati College Of Medicine in 1975.
How long has Dr. Gary Mark Smithson been practicing?
Dr. Smithson graduated from medical school in 1975, 51 years ago.
What insurance does Dr. Gary Mark Smithson accept?
Dr. Smithson is in network with 15 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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