Dr. Yma Ivette Tomassini Lopez, MD
- Part D claims, 2024
- 227
- Hospital affiliations
- 1
- Industry payments
- $44
- Medical group
- 1
- State licenses
- 2
- Practice address
- 5301 E Huron River Dr, Ann Arbor, MI 48105
- Practice phone
- Call (734) 712-3456
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trinity Health Ann Arbor
Ann Arbor, Michigan
Find Dr. Tomassini Lopez'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. Yma Ivette Tomassini Lopez is an internist in Ann Arbor, Michigan
Dr. Tomassini Lopez practices at Trinity Health Ann Arbor in Ann Arbor, Michigan.
Dr. Tomassini Lopez's NPI, 1992372759, was assigned on June 9, 2021. Dr. Tomassini Lopez holds Michigan license 4301514757.
- NPI
- 1992372759NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658731039
- NPI enumeration date
- June 9, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 712-3456
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yma Ivette Tomassini Lopez practices at Trinity Health Ann Arbor in Ann Arbor, Michigan
Dr. Tomassini Lopez's primary practice is Trinity Health Ann Arbor, at 5301 E Huron River Dr, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 712-3456.
- Trinity Health Ann Arbor5301 E Huron River Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 712-3456
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Yma Ivette Tomassini Lopez is affiliated with 3 sites of care and 1 medical group
Dr. Tomassini Lopez's primary practice is Trinity Health Ann Arbor in Ann Arbor, Michigan. Dr. Tomassini Lopez is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Tomassini Lopez to 1 more group practice or clinic, 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. Yma Ivette Tomassini Lopez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomassini Lopez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Ann Arbor | 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. Yma Ivette Tomassini Lopez is one of 4,804 internists in Michigan
Internal medicine is Dr. Tomassini Lopez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Tomassini Lopez's licenses on file in 2 states: Michigan and Puerto Rico.
Specialties and state licenses
- Internal medicine, MichiganPrimary
- Student in an organized health care education/training program, Puerto Rico
Internists near Dr. Tomassini Lopez
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. Yma Ivette Tomassini Lopez's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Tomassini Lopez's median patient age at 59, with 50% women.
Dr. Tomassini Lopez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Yma Ivette Tomassini Lopez wrote 227 Medicare Part D claims in 2024
In 2024, Dr. Tomassini Lopez wrote 227 Medicare Part D claims for 66 patients. 90% of them were for generic drugs. CMS names the drug for 57 of them, across 4 drugs with 11 or more claims each, at $652 in total drug cost.
Dr. Tomassini Lopez's Part D claims by kind of drug, 2024
- Generic204 claims90%
- Brand-name23 claims10%
Dr. Tomassini Lopez'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.
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. Yma Ivette Tomassini Lopez takes part in Medicare
Dr. Tomassini Lopez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Yma Ivette Tomassini Lopez received $44 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Tomassini Lopez from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $30.
General payments to Dr. Tomassini Lopez by program year, 2024 to 2025
Companies that paid Dr. Tomassini Lopez the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yma Ivette Tomassini Lopez'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) |
| 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. Yma Ivette Tomassini Lopez
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. Yma Ivette Tomassini Lopez's NPI number?
Dr. Yma Ivette Tomassini Lopez's NPI number is 1992372759. It was assigned on June 9, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Yma Ivette Tomassini Lopez?
Dr. Yma Ivette Tomassini Lopez is an internist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yma Ivette Tomassini Lopez practice?
Dr. Tomassini Lopez practices at 5301 E Huron River Dr, Ann Arbor, MI 48105. Dr. Tomassini Lopez's primary practice is Trinity Health Ann Arbor in Ann Arbor, Michigan. Dmand AI also links Dr. Tomassini Lopez to 1 group practice or clinic.
What is Dr. Yma Ivette Tomassini Lopez's office phone number?
The practice phone on file for Dr. Tomassini Lopez is (734) 712-3456.
What is Dr. Yma Ivette Tomassini Lopez's medical license number?
Dr. Tomassini Lopez holds Michigan license 4301514757, one of the licenses on file in 2 states.
Which states has Dr. Yma Ivette Tomassini Lopez been licensed in?
Dmand AI has state licenses on file for Dr. Tomassini Lopez in Michigan and Puerto Rico.
Which hospitals is Dr. Yma Ivette Tomassini Lopez affiliated with?
Dr. Tomassini Lopez is affiliated with Trinity Health Ann Arbor Hospital.
What medical group is Dr. Yma Ivette Tomassini Lopez part of?
Dr. Tomassini Lopez is linked to Trinity Health IHA Medical Group.
Does Dr. Yma Ivette Tomassini Lopez accept Medicare?
Yes. CMS lists Dr. Tomassini Lopez as accepting Medicare assignment.
What drugs does Dr. Yma Ivette Tomassini Lopez prescribe most?
In 2024 Medicare Part D data, Dr. Tomassini Lopez's most prescribed drugs by claims were Atorvastatin Calcium, Pantoprazole Sodium and Amlodipine Besylate.
Has Dr. Yma Ivette Tomassini Lopez received payments from drug or device companies?
CMS Open Payments shows $44 in general payments to Dr. Tomassini Lopez from 2 companies from 2024 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Yma Ivette Tomassini Lopez been practicing?
Dr. Tomassini Lopez graduated from medical school in 2019, 7 years ago.
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