Dr. Gary Posner, MD
- Part D claims, 2019
- 18
- Industry payments
- $44
- Affiliated sites
- 2
- Medical groups
- 2
- Insurance carriers
- 3
- Practice address
- 1600 San Fernando Road Building C, San Fernando, CA 91340
- Practice phone
- Call (818) 365-8086
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Fernando Health Center
FQHC - Main Site · San Fernando, California
Find Dr. Posner'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 Posner is a pediatrician in San Fernando, California
Dr. Posner practices at San Fernando Health Center in San Fernando, California.
Dr. Posner's NPI, 1154322949, was assigned on August 3, 2005. Dr. Posner graduated from SUNY Downstate Health Sciences University in 1976. Dr. Posner holds California license G36851.
- NPI
- 1154322949NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2005
- NPI status
- Active
- Practice phone
- (818) 365-8086
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary Posner practices at San Fernando Health Center in San Fernando, California
Dr. Posner's primary practice is San Fernando Health Center, at 1600 San Fernando Road Building C, San Fernando, CA 91340 in Los Angeles County. The practice phone is (818) 365-8086.
- San Fernando Health Center1600 San Fernando Road Building C, San Fernando, CA 91340 · Los Angeles CountyPhone(818) 365-8086
Source: Dmand AI Affiliation Data
Dr. Gary Posner is affiliated with 2 sites of care and 2 medical groups
Dr. Posner's primary practice is San Fernando Health Center in San Fernando, California. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Posner to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Posner's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary Posner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Posner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Fernando Health Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary Posner is one of 8,236 pediatricians in California
Pediatrics is Dr. Posner's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Posner is board certified in pediatrics by the American Board of Pediatrics. Dr. Posner is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Posner
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 Posner's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Posner's median patient age at 12, with 34% women.
Dr. Posner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women34%
- Men66%
Source: Dmand AI Patient Panel Data
Dr. Gary Posner wrote 18 Medicare Part D claims in 2019
In 2019, Dr. Posner wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $458 in total drug cost. In 2018, CMS named 23 claims across 1 drug.
Dr. Posner's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 232019: 1822%
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gary Posner received $44 in industry payments from 2017 to 2023
CMS Open Payments shows 2 general payments to Dr. Posner from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $30.
General payments to Dr. Posner by program year, 2017 to 2023
Companies that paid Dr. Posner the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary Posner graduated from SUNY Downstate Health Sciences University
Dr. Posner graduated from SUNY Downstate Health Sciences University in 1976.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Gary Posner accepts plans from 3 insurance carriers
Dr. Posner is in network with 3 carriers, including LA Care, Elevance and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- LA Care
- Elevance
- Molina
Plan types Dr. Posner accepts, by number of carriers
- HMO2
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary Posner'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Gary Posner
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 Posner's NPI number?
Dr. Gary Posner's NPI number is 1154322949. It was assigned on August 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary Posner?
Dr. Gary Posner is a pediatrician in San Fernando, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gary Posner practice?
Dr. Posner practices at 1600 San Fernando Road Building C, San Fernando, CA 91340. Dr. Posner's primary practice is San Fernando Health Center in San Fernando, California. Dmand AI also links Dr. Posner to 1 group practice or clinic and 1 medical group.
What is Dr. Gary Posner's office phone number?
The practice phone on file for Dr. Posner is (818) 365-8086.
What is Dr. Gary Posner's medical license number?
Dr. Posner holds California license G36851.
What medical group is Dr. Gary Posner part of?
Dr. Posner is linked to Harbor-UCLA Medical Center. Dmand AI links Dr. Posner to 1 more medical group.
Is Dr. Gary Posner board certified?
Yes. Dr. Posner is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Gary Posner go to medical school?
Dr. Posner graduated from SUNY Downstate Health Sciences University in 1976.
What drugs does Dr. Gary Posner prescribe most?
In 2019 Medicare Part D data, Dr. Posner's most prescribed drugs by claims were Methylphenidate HCl.
Has Dr. Gary Posner received payments from drug or device companies?
CMS Open Payments shows $44 in general payments to Dr. Posner from 2 companies from 2017 to 2023. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Gary Posner been practicing?
Dr. Posner graduated from medical school in 1976, 50 years ago.
What insurance does Dr. Gary Posner accept?
Dr. Posner is in network with 3 carriers, including LA Care, Elevance and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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