Dr. Alexander George Chartrain, MD
- Part D claims, 2024
- 37
- Publications
- 7
- Hospital affiliations
- 1
- Industry payments
- $7,160
- Medical groups
- 2
- Practice address
- 2051 Marengo St, Los Angeles, CA 90033
- Practice phone
- Call (323) 409-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Los Angeles General Medical Center
Los Angeles, California
Find Dr. Chartrain'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. Alexander George Chartrain is a neurosurgeon in Los Angeles, California
Dr. Chartrain practices at Los Angeles General Medical Center in Los Angeles, California.
Dr. Chartrain's NPI, 1043708860, was assigned on April 26, 2018. Dr. Chartrain graduated from Icahn School Of Medicine At Mount Sinai in 2018. Dr. Chartrain's California license number on file is 166277.
- NPI
- 1043708860NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769811207
- NPI enumeration date
- April 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 409-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander George Chartrain practices at Los Angeles General Medical Center in Los Angeles, California
Dr. Chartrain's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 409-2800.
- Los Angeles General Medical Center2051 Marengo St, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 409-2800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexander George Chartrain is affiliated with 2 sites of care and 2 medical groups
Dr. Chartrain's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dr. Chartrain is also affiliated with Cedars-Sinai Medical Center. The medical group on file is Cedars-Sinai Medical Center. Dmand AI also links Dr. Chartrain to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander George Chartrain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chartrain practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles General Medical 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. Alexander George Chartrain is one of 846 neurosurgeons in California
Neurological surgery is Dr. Chartrain's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Chartrain has a license on file in California.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
Neurosurgeons near Dr. Chartrain
Counts of neurosurgeons 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. Alexander George Chartrain's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Chartrain's median patient age at 66, with 51% women.
Dr. Chartrain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Alexander George Chartrain wrote 37 Medicare Part D claims in 2024
In 2024, Dr. Chartrain wrote 37 Medicare Part D claims for 20 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $66 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Dr. Chartrain's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chartrain's Part D claims, 2024
- Opioids49%18 of 37 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 112024: 1536%
Drugs named by CMS: 1 in 2024, 1 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Alexander George Chartrain takes part in Medicare
Dr. Chartrain accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexander George Chartrain has 7 publications on record
Dmand AI links 7 papers to Dr. Chartrain, published from 2017 to 2020. 2017 was the busiest year, with 3. Dr. Chartrain's most frequent co-authors are Christopher Paul Kellner, MD, Jonathan Pan and Jacopo Scaggiante, MD.
Dr. Chartrain's papers by year, 2017 to 2020
Dr. Chartrain's most frequent co-authors
- Christopher Paul Kellner, MD4 shared papers
- Jonathan Pan2 shared papers
- Jacopo Scaggiante, MD2 shared papers
Recent publications by Dr. Chartrain
See who Dr. Chartrain researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chartrain works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexander George Chartrain received $7,160 in industry payments from 2021 to 2025
CMS Open Payments shows 42 general payments to Dr. Chartrain from 10 drug and device companies from 2021 to 2025. Travel and lodging make up the largest share, 66% of the total. Synthes GmbH paid the most, $2,921.
General payments to Dr. Chartrain by program year, 2021 to 2025
General payments to Dr. Chartrain by kind, 2021 to 2025
- Travel and lodging$4,73266%
- Food and beverage$2,42834%
Companies that paid Dr. Chartrain the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander George Chartrain has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Chartrain, most recently Distinction in Research in 2018.
Awards and honors for Dr. Chartrain
- 2018
- Distinction in Research
- 2017
- Alpha Omega Alpha
- 2013
- Phi Beta Kappa
Source: Dmand AI Professional Profile Data
Dr. Alexander George Chartrain graduated from Icahn School Of Medicine At Mount Sinai
Dr. Chartrain graduated from Icahn School Of Medicine At Mount Sinai in 2018. Dr. Chartrain is a member of AOA, AAN, AANS and CNS.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander George Chartrain'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Alexander George Chartrain
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. Alexander George Chartrain's NPI number?
Dr. Alexander George Chartrain's NPI number is 1043708860. It was assigned on April 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander George Chartrain?
Dr. Alexander George Chartrain is a neurosurgeon in Los Angeles, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Alexander George Chartrain practice?
Dr. Chartrain practices at 2051 Marengo St, Los Angeles, CA 90033. Dr. Chartrain's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dmand AI also links Dr. Chartrain to 1 medical group.
What is Dr. Alexander George Chartrain's office phone number?
The practice phone on file for Dr. Chartrain is (323) 409-2800.
What is Dr. Alexander George Chartrain's medical license number?
Dr. Chartrain's California license number on file is 166277.
Which hospitals is Dr. Alexander George Chartrain affiliated with?
Dr. Chartrain is affiliated with Cedars-Sinai Medical Center.
What medical group is Dr. Alexander George Chartrain part of?
Dr. Chartrain is linked to Cedars-Sinai Medical Center. Dmand AI links Dr. Chartrain to 1 more medical group.
Does Dr. Alexander George Chartrain accept Medicare?
Yes. CMS lists Dr. Chartrain as accepting Medicare assignment.
Where did Dr. Alexander George Chartrain go to medical school?
Dr. Chartrain graduated from Icahn School Of Medicine At Mount Sinai in 2018.
What drugs does Dr. Alexander George Chartrain prescribe most?
In 2024 Medicare Part D data, Dr. Chartrain's most prescribed drugs by claims were Oxycodone HCl.
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Has Dr. Alexander George Chartrain received payments from drug or device companies?
CMS Open Payments shows $7,160 in general payments to Dr. Chartrain from 10 companies from 2021 to 2025. The largest total came from Synthes GmbH.
How long has Dr. Alexander George Chartrain been practicing?
Dr. Chartrain graduated from medical school in 2018, 8 years ago.
Does Dr. Alexander George Chartrain do research?
Dmand AI links 7 publications to Dr. Chartrain, published from 2017 to 2020.
Who does Dr. Alexander George Chartrain publish with?
Dr. Chartrain's most frequent co-authors are Christopher Paul Kellner, MD (4 shared papers), Jonathan Pan (2 shared papers) and Jacopo Scaggiante, MD (2 shared papers).
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