Dr. Eric Zimmermann, MD
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 150
- MIPS score, 2024
- 80
- Hospital affiliations
- 2
- Industry payments
- $13
- Practice address
- 2055 Exchange St, Astoria, OR 97103
- Practice phone
- Call (503) 325-4321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia Memorial Hospital
Astoria, Oregon
Find Dr. Zimmermann'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. Eric Zimmermann is a general surgeon in Astoria, Oregon
Dr. Zimmermann practices at Columbia Memorial Hospital in Astoria, Oregon.
Dr. Zimmermann's NPI, 1841686706, was assigned on April 7, 2015. Dr. Zimmermann graduated from University of Tennessee, Hsc, College of Medicine in 2015. Dr. Zimmermann holds Oregon license MD216423.
- NPI
- 1841686706NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092175042
- NPI enumeration date
- April 7, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 325-4321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Zimmermann practices at Columbia Memorial Hospital in Astoria, Oregon
Dr. Zimmermann's primary practice is Columbia Memorial Hospital, at 2055 Exchange St, Astoria, OR 97103 in Clatsop County. The practice phone is (503) 325-4321.
- Columbia Memorial Hospital2055 Exchange St, Astoria, OR 97103 · Clatsop CountyPhone(503) 325-4321
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric Zimmermann is affiliated with 5 sites of care and 2 medical groups
Dr. Zimmermann's primary practice is Columbia Memorial Hospital in Astoria, Oregon. Dr. Zimmermann is also affiliated with Columbia Memorial Hospital. The medical group on file is Columbia Memorial Hospital. Dmand AI also links Dr. Zimmermann to 1 more hospital, 2 group practices and clinics and 1 medical group, each 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. Eric Zimmermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zimmermann practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia Memorial Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Zimmermann is one of 438 general surgeons in Oregon
Surgery is Dr. Zimmermann's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Zimmermann is licensed in Oregon.
Specialties and state licenses
- Surgery, OregonPrimary
General surgeons near Dr. Zimmermann
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. Eric Zimmermann treated 24 Medicare patients in 2024, average age 74
CMS counts 24 Medicare patients who saw Dr. Zimmermann in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zimmermann's median patient age at 68, with 47% women.
Chronic conditions among Dr. Zimmermann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Chronic kidney disease46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zimmermann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Zimmermann wrote 150 Medicare Part D claims in 2024
In 2024, Dr. Zimmermann wrote 150 Medicare Part D claims for 103 patients. 73% of them were for generic drugs. CMS names the drug for 119 of them, across 5 drugs with 11 or more claims each, at $3,950 in total drug cost. In 2023, CMS named 17 claims across 1 drug.
Dr. Zimmermann's Part D claims by kind of drug, 2024
- Generic110 claims73%
- Brand-name40 claims27%
Dr. Zimmermann'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. Zimmermann's Part D claims, 2024
- Antibiotics10%15 of 150 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: 172024: 119600%
Drugs named by CMS: 5 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
Dr. Eric Zimmermann scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Zimmermann for performance year 2024, reported as part of a group. Dr. Zimmermann accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zimmermann's MIPS scores, performance year 2024
- 80of 100Final score
- 62.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eric Zimmermann received $13 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Zimmermann from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $13.
Companies that paid Dr. Zimmermann the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Zimmermann graduated from University of Tennessee, Hsc, College of Medicine
Dr. Zimmermann graduated from University of Tennessee, Hsc, College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric Zimmermann'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Eric Zimmermann
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. Eric Zimmermann's NPI number?
Dr. Eric Zimmermann's NPI number is 1841686706. It was assigned on April 7, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Zimmermann?
Dr. Eric Zimmermann is a general surgeon in Astoria, Oregon. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Eric Zimmermann practice?
Dr. Zimmermann practices at 2055 Exchange St, Astoria, OR 97103. Dr. Zimmermann's primary practice is Columbia Memorial Hospital in Astoria, Oregon. Dmand AI also links Dr. Zimmermann to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Eric Zimmermann's office phone number?
The practice phone on file for Dr. Zimmermann is (503) 325-4321.
What is Dr. Eric Zimmermann's medical license number?
Dr. Zimmermann holds Oregon license MD216423.
Which hospitals is Dr. Eric Zimmermann affiliated with?
Dr. Zimmermann is affiliated with Columbia Memorial Hospital. Dmand AI links Dr. Zimmermann to 1 more hospital.
What medical group is Dr. Eric Zimmermann part of?
Dr. Zimmermann is linked to Columbia Memorial Hospital. Dmand AI links Dr. Zimmermann to 1 more medical group.
Does Dr. Eric Zimmermann accept Medicare?
Yes. CMS lists Dr. Zimmermann as accepting Medicare assignment.
What is Dr. Eric Zimmermann's MIPS score?
Dr. Zimmermann's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Eric Zimmermann see?
CMS counts 24 Medicare patients who saw Dr. Zimmermann in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
Where did Dr. Eric Zimmermann go to medical school?
Dr. Zimmermann graduated from University of Tennessee, Hsc, College of Medicine in 2015.
What drugs does Dr. Eric Zimmermann prescribe most?
In 2024 Medicare Part D data, Dr. Zimmermann's most prescribed drugs by claims were Gavilyte-G, Peg-3350 And Electrolytes and Omeprazole.
Has Dr. Eric Zimmermann received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Zimmermann from 1 company from 2023 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Eric Zimmermann been practicing?
Dr. Zimmermann graduated from medical school in 2015, 11 years ago.
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