Dr. Diana Trofimovitch, MD
- Medicare services, 2023
- 123
- Part D claims, 2024
- 454
- Industry payments
- $373
- Affiliated sites
- 3
- Medical group
- 1
- Practice address
- 93 Campus Ave, Lewiston, ME 04240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Mary's Regional Medical Center - HOPD
Acute Care Hospital outpatient department · Lewiston, Maine
Find Dr. Trofimovitch'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. Diana Trofimovitch is an internist in Lewiston, Maine
Dr. Trofimovitch practices at St Mary's Regional Medical Center - HOPD in Lewiston, Maine.
Dr. Trofimovitch's NPI, 1902336340, was assigned on June 18, 2017. Dr. Trofimovitch holds Maine license MD23825.
- NPI
- 1902336340NPI Registry (opens in a new tab)
- NPI enumeration date
- June 18, 2017
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Diana Trofimovitch practices at St Mary's Regional Medical Center - HOPD in Lewiston, Maine
Dr. Trofimovitch's primary practice is St Mary's Regional Medical Center - HOPD, at 93 Campus Ave, Lewiston, ME 04240.
- St Mary's Regional Medical Center - HOPD93 Campus Ave, Lewiston, ME 04240
Source: Dmand AI Affiliation Data
Dr. Diana Trofimovitch is affiliated with 3 sites of care and 1 medical group
Dr. Trofimovitch's primary practice is St Mary's Regional Medical Center - HOPD in Lewiston, Maine. The medical group on file is St. Mary's Health System. Dmand AI also links Dr. Trofimovitch to 1 more community health center and 1 hospital outpatient department, each named with a free account. Dr. Trofimovitch's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diana Trofimovitch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trofimovitch practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Mary's Regional Medical Center - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana Trofimovitch is one of 572 internists in Maine
Internal medicine is Dr. Trofimovitch's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Trofimovitch is licensed in Maine.
Specialties and state licenses
- Internal medicine, MainePrimary
Internists near Dr. Trofimovitch
Counts of internists 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. Diana Trofimovitch billed Medicare for 123 services in 2023
CMS data shows 123 Medicare services from Dr. Trofimovitch across 3 procedure codes in 2023. Medicare paid $6,085 for them. Every service was in an office.
Dr. Trofimovitch's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1812023: 9846%
- Other services
- 2022: 342023: 2526%
Dr. Trofimovitch compared with the Maine median for internists, 2023
- Dr. Trofimovitch
- Maine median
- Medicare services
- 123vs 31461% below
- Part D claims
- 203vs 211Close to median
Medians across 600 internists in Maine with Dmand AI profiles that report each measure.
Dr. Trofimovitch's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trofimovitch and other internists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana Trofimovitch's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Trofimovitch's median patient age at 58, with 88% women.
Dr. Trofimovitch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women88%
- Men12%
Source: Dmand AI Patient Panel Data
Dr. Diana Trofimovitch wrote 454 Medicare Part D claims in 2024
In 2024, Dr. Trofimovitch wrote 454 Medicare Part D claims for 144 patients. 92% of them were for generic drugs. CMS names the drug for 203 of them, across 11 drugs with 11 or more claims each, at $2,479 in total drug cost. In 2023, CMS named 5,742 claims across 115 drugs.
Dr. Trofimovitch's Part D claims by kind of drug, 2024
- Generic416 claims92%
- Brand-name and other38 claims8%
Dr. Trofimovitch'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,7422024: 20396%
Drugs named by CMS: 11 in 2024, 115 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. Diana Trofimovitch received $373 in industry payments from 2020 to 2023
CMS Open Payments shows 21 general payments to Dr. Trofimovitch from 11 drug and device companies from 2020 to 2023. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $95.
General payments to Dr. Trofimovitch by program year, 2020 to 2023
Companies that paid Dr. Trofimovitch the most, 2020 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Diana Trofimovitch'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 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 |
| 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. Diana Trofimovitch
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. Diana Trofimovitch's NPI number?
Dr. Diana Trofimovitch's NPI number is 1902336340. It was assigned on June 18, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Trofimovitch?
Dr. Diana Trofimovitch is an internist in Lewiston, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diana Trofimovitch practice?
Dr. Trofimovitch practices at 93 Campus Ave, Lewiston, ME 04240. Dr. Trofimovitch's primary practice is St Mary's Regional Medical Center - HOPD in Lewiston, Maine. Dmand AI also links Dr. Trofimovitch to 1 community health center and 1 hospital outpatient department.
What is Dr. Diana Trofimovitch's medical license number?
Dr. Trofimovitch holds Maine license MD23825.
What medical group is Dr. Diana Trofimovitch part of?
Dr. Trofimovitch is linked to St. Mary's Health System.
Does Dr. Diana Trofimovitch accept Medicare?
Yes. CMS data shows Dr. Trofimovitch billed Medicare for 123 services in 2023.
What services does Dr. Diana Trofimovitch bill to Medicare?
In 2023, Dr. Trofimovitch's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
What drugs does Dr. Diana Trofimovitch prescribe most?
In 2024 Medicare Part D data, Dr. Trofimovitch's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Gabapentin.
Has Dr. Diana Trofimovitch received payments from drug or device companies?
CMS Open Payments shows $373 in general payments to Dr. Trofimovitch from 11 companies from 2020 to 2023. The largest total came from Amgen Inc.
How long has Dr. Diana Trofimovitch been practicing?
Dr. Trofimovitch graduated from medical school in 2017, 9 years ago.
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