Dr. Erik Rafael Gamarra, MD
- Part D claims, 2024
- 88
- Hospital affiliations
- 1
- Industry payments
- $2,332
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 18101 Oakwood Blvd, Dearborn, MI 48124
- Practice phone
- Call (313) 593-7125
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gamarra's professional email, personal email and mobile number
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Dr. Erik Rafael Gamarra is a general surgeon in Dearborn, Michigan
Dr. Gamarra practices at Corewell Health Dearborn Hospital in Dearborn, Michigan, part of Corewell Health.
Dr. Gamarra's NPI, 1104555663, was assigned on June 8, 2022. Dr. Gamarra holds Michigan license 4351049613.
- NPI
- 1104555663NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2022
- NPI status
- Active
- Practice phone
- (313) 593-7125
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Erik Rafael Gamarra practices at Corewell Health Dearborn Hospital in Dearborn, Michigan
Dr. Gamarra's primary practice is Corewell Health Dearborn Hospital, at 18101 Oakwood Blvd, Dearborn, MI 48124 in Wayne County. The practice phone is (313) 593-7125.
- Corewell Health Dearborn Hospital18101 Oakwood Blvd, Dearborn, MI 48124 · Wayne CountyPhone(313) 593-7125
Source: Dmand AI Affiliation Data
Dr. Erik Rafael Gamarra is affiliated with 1 site of care
Dr. Gamarra's primary practice is Corewell Health Dearborn Hospital in Dearborn, Michigan, part of Corewell Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erik Rafael Gamarra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gamarra practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Dearborn Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Erik Rafael Gamarra is one of 1,095 general surgeons in Michigan
Surgery is Dr. Gamarra's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gamarra is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Gamarra
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. Erik Rafael Gamarra's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Gamarra's median patient age at 61, with 33% women.
Dr. Gamarra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Erik Rafael Gamarra wrote 88 Medicare Part D claims in 2024
In 2024, Dr. Gamarra wrote 88 Medicare Part D claims for 53 patients. 99% of them were for generic drugs. CMS names the drug for 56 of them, across 2 drugs with 11 or more claims each, at $324 in total drug cost.
Dr. Gamarra's Part D claims by kind of drug, 2024
- Generic87 claims99%
- Brand-name and other1 claims1%
Dr. Gamarra'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. Gamarra's Part D claims, 2024
- Opioids34%30 of 88 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Erik Rafael Gamarra received $2,332 in industry payments from 2022 to 2025
CMS Open Payments shows 22 general payments to Dr. Gamarra from 11 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 92% of the total. TELA Bio, Inc. paid the most, $566.
General payments to Dr. Gamarra by program year, 2022 to 2025
General payments to Dr. Gamarra by kind, 2022 to 2025
- Food and beverage$2,14692%
- Education$1868%
Companies that paid Dr. Gamarra 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. Erik Rafael Gamarra'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 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) |
| 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. Erik Rafael Gamarra
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. Erik Rafael Gamarra's NPI number?
Dr. Erik Rafael Gamarra's NPI number is 1104555663. It was assigned on June 8, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Erik Rafael Gamarra?
Dr. Erik Rafael Gamarra is a general surgeon in Dearborn, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Erik Rafael Gamarra practice?
Dr. Gamarra practices at 18101 Oakwood Blvd, Dearborn, MI 48124. Dr. Gamarra's primary practice is Corewell Health Dearborn Hospital in Dearborn, Michigan, part of Corewell Health.
What is Dr. Erik Rafael Gamarra's office phone number?
The practice phone on file for Dr. Gamarra is (313) 593-7125.
What is Dr. Erik Rafael Gamarra's medical license number?
Dr. Gamarra holds Michigan license 4351049613.
Which hospitals is Dr. Erik Rafael Gamarra affiliated with?
Dr. Gamarra practices at Corewell Health Dearborn Hospital in Dearborn, Michigan.
What drugs does Dr. Erik Rafael Gamarra prescribe most?
In 2024 Medicare Part D data, Dr. Gamarra's most prescribed drugs by claims were Ondansetron ODT and Hydrocodone-Acetaminophen.
Has Dr. Erik Rafael Gamarra received payments from drug or device companies?
CMS Open Payments shows $2,332 in general payments to Dr. Gamarra from 11 companies from 2022 to 2025. The largest total came from TELA Bio, Inc.
How long has Dr. Erik Rafael Gamarra been practicing?
Dr. Gamarra's NPI was assigned in 2022.
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