Dr. Helen M. Duplessis, MD
- Medicare services, 2018
- 25
- Publications
- 1
- Industry payments
- $1,205
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 808 W 58th St, Los Angeles, CA 90037-3632
- Practice phone
- Call (323) 541-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. John's Well Child And Family Center Pharmacy
Pharmacy · Los Angeles, California
Find Dr. Duplessis' 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. Helen M. Duplessis is a pediatrician in Los Angeles, California
Dr. Duplessis practices at St. John's Well Child And Family Center Pharmacy in Los Angeles, California.
Dr. Duplessis' NPI, 1801004205, was assigned on May 18, 2007. Dr. Duplessis graduated from UCSF School of Medicine in 1985. Dr. Duplessis holds California license G057767.
- NPI
- 1801004205NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2007
- NPI status
- Active
- Practice phone
- (323) 541-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Helen M. Duplessis practices at St. John's Well Child and Family Center Pharmacy in Los Angeles, California
Dr. Duplessis' primary practice is St. John's Well Child and Family Center Pharmacy, at 808 W 58th St, Los Angeles, CA 90037-3632. The practice phone is (323) 541-1400.
- St. John's Well Child and Family Center Pharmacy808 W 58th St, Los Angeles, CA 90037-3632Phone(323) 541-1400
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Helen M. Duplessis is affiliated with 1 site of care and 1 medical group
Dr. Duplessis' primary practice is St. John's Well Child And Family Center Pharmacy in Los Angeles, California. The medical group on file is St. John's Community Health.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Helen M. Duplessis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duplessis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. John's Well Child And Family Center Pharmacy | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Helen M. Duplessis is one of 8,236 pediatricians in California
Pediatrics is Dr. Duplessis' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Duplessis is board certified in pediatrics by the American Board of Pediatrics. Dr. Duplessis is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Duplessis
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. Helen M. Duplessis billed Medicare for 25 services in 2018
CMS data shows 25 Medicare services from Dr. Duplessis across 1 procedure code in 2018. Medicare paid $119 for them. Every service was in an office.
Dr. Duplessis' Medicare services by type, 2017 to 2018
- 2017
- 2018
- Lab and pathology
- 2017: 2382018: 2589%
- Surgery
- 2017: 172018: 0100%
- Office and hospital visits
- 2017: 602018: 0100%
Dr. Duplessis compared with the California median for pediatricians, 2018
- Dr. Duplessis
- California median
- Medicare services
- 25vs 7064% below
Medians across 807 pediatricians in California with Dmand AI profiles that report each measure.
Dr. Duplessis' most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Duplessis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duplessis and other pediatricians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Helen M. Duplessis' patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Duplessis' median patient age at 40, with 42% women.
Dr. Duplessis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
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Dr. Helen M. Duplessis has 1 publication on record
Dmand AI links 1 paper to Dr. Duplessis in 2012. Dr. Duplessis' most frequent co-authors are Sheryl Harumi Kataoka, MD and Bergen Ballard Nelson, MD.
Dr. Duplessis' most frequent co-authors
Recent publications by Dr. Duplessis
See who Dr. Duplessis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Duplessis works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Helen M. Duplessis received $1,205 in industry payments from 2016 to 2022
CMS Open Payments shows 2 general payments to Dr. Duplessis from 2 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 99% of the total. Sanofi Pasteur Inc. paid the most, $1,193.
General payments to Dr. Duplessis by program year, 2016 to 2022
General payments to Dr. Duplessis by kind, 2016 to 2022
- Consulting fees$1,19399%
- Food and beverage$121%
Companies that paid Dr. Duplessis the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Helen M. Duplessis graduated from UCSF School of Medicine
Dr. Duplessis graduated from UCSF School of Medicine in 1985.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Helen M. Duplessis accepts plans from 2 insurance carriers
Dr. Duplessis is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Duplessis accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Helen M. Duplessis'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Helen M. Duplessis
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. Helen M. Duplessis' NPI number?
Dr. Helen M. Duplessis' NPI number is 1801004205. It was assigned on May 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Helen M. Duplessis?
Dr. Helen M. Duplessis is a pediatrician in Los Angeles, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Helen M. Duplessis practice?
Dr. Duplessis practices at 808 W 58th St, Los Angeles, CA 90037-3632. Dr. Duplessis' primary practice is St. John's Well Child And Family Center Pharmacy in Los Angeles, California.
What is Dr. Helen M. Duplessis' office phone number?
The practice phone on file for Dr. Duplessis is (323) 541-1400.
What is Dr. Helen M. Duplessis' medical license number?
Dr. Duplessis holds California license G057767.
What medical group is Dr. Helen M. Duplessis part of?
Dr. Duplessis is linked to St. John's Community Health.
Does Dr. Helen M. Duplessis accept Medicare?
Yes. CMS data shows Dr. Duplessis billed Medicare for 25 services in 2018.
Is Dr. Helen M. Duplessis board certified?
Yes. Dr. Duplessis is board certified in pediatrics by the American Board of Pediatrics.
What services does Dr. Helen M. Duplessis bill to Medicare?
In 2018, Dr. Duplessis' most billed Medicare services were lab and pathology test (82947).
Where did Dr. Helen M. Duplessis go to medical school?
Dr. Duplessis graduated from UCSF School of Medicine in 1985.
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Has Dr. Helen M. Duplessis received payments from drug or device companies?
CMS Open Payments shows $1,205 in general payments to Dr. Duplessis from 2 companies from 2016 to 2022. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Helen M. Duplessis been practicing?
Dr. Duplessis graduated from medical school in 1985, 41 years ago.
Does Dr. Helen M. Duplessis do research?
Dmand AI links 1 publication to Dr. Duplessis.
Who does Dr. Helen M. Duplessis publish with?
Dr. Duplessis' most frequent co-authors are Sheryl Harumi Kataoka, MD (1 shared paper) and Bergen Ballard Nelson, MD (1 shared paper).
What insurance does Dr. Helen M. Duplessis accept?
Dr. Duplessis is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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