Dr. Elsa Maria Chahine, MD
- Part D claims, 2024
- 38
- Industry payments
- $1,307
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 1350 W Covina Blvd, San Dimas, CA 91773
- Practice phone
- Call (757) 652-1782
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chahine's professional email, personal email and mobile number
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Dr. Elsa Maria Chahine is a general surgeon in San Dimas, California
Dr. Chahine practices in San Dimas, California.
Dr. Chahine's NPI, 1851977433, was assigned on March 23, 2021. Dr. Chahine holds Massachusetts license 288785.
- NPI
- 1851977433NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2021
- NPI status
- Active
- Practice phone
- (757) 652-1782
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Elsa Maria Chahine's practice address is in San Dimas, California
Dr. Chahine's practice address in the NPI Registry is 1350 W Covina Blvd, San Dimas, CA 91773, in Los Angeles County. The practice phone is (757) 652-1782.
- NPI Registry address1350 W Covina Blvd, San Dimas, CA 91773 · Los Angeles CountyPhone(757) 652-1782
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Elsa Maria Chahine's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chahine practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Chahine's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elsa Maria Chahine is one of 2,926 general surgeons in California
Surgery is Dr. Chahine's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chahine is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Chahine
Counts of general surgeons 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. Elsa Maria Chahine's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Chahine's median patient age at 70, with 50% women.
Dr. Chahine's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Elsa Maria Chahine wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Chahine wrote 38 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 $77 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Chahine'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. Chahine's Part D claims, 2024
- Opioids34%13 of 38 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 152024: 15No change
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
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Dr. Elsa Maria Chahine received $1,307 in industry payments from 2022 to 2025
CMS Open Payments shows 19 general payments to Dr. Chahine from 13 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 98% of the total. Acera Surgical, Inc. paid the most, $412.
General payments to Dr. Chahine by program year, 2022 to 2025
General payments to Dr. Chahine by kind, 2022 to 2025
- Food and beverage$1,28198%
- Education$252%
Companies that paid Dr. Chahine the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Elsa Maria Chahine'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 |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Elsa Maria Chahine
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. Elsa Maria Chahine's NPI number?
Dr. Elsa Maria Chahine's NPI number is 1851977433. It was assigned on March 23, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Elsa Maria Chahine?
Dr. Elsa Maria Chahine is a general surgeon in San Dimas, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Elsa Maria Chahine practice?
Dr. Chahine practices at 1350 W Covina Blvd, San Dimas, CA 91773.
What is Dr. Elsa Maria Chahine's office phone number?
The practice phone on file for Dr. Chahine is (757) 652-1782.
What is Dr. Elsa Maria Chahine's medical license number?
Dr. Chahine holds Massachusetts license 288785.
What drugs does Dr. Elsa Maria Chahine prescribe most?
In 2024 Medicare Part D data, Dr. Chahine's most prescribed drugs by claims were Ibuprofen.
Has Dr. Elsa Maria Chahine received payments from drug or device companies?
CMS Open Payments shows $1,307 in general payments to Dr. Chahine from 13 companies from 2022 to 2025. The largest total came from Acera Surgical, Inc.
How long has Dr. Elsa Maria Chahine been practicing?
Dr. Chahine's NPI was assigned in 2021.
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