Dr. Gilbert R. Eggen, DO
- Medicare services, 2024
- 355
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 910
- Industry payments
- $16
- Insurance carriers
- 9
- Practice address
- 3365 G St, Merced, CA 95340
- Practice phone
- Call (209) 205-1086
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
El Portal Endosurgery Center
Merced, California
Find Dr. Eggen'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. Gilbert R. Eggen is a psychiatrist in Merced, California
Dr. Eggen practices at El Portal Endosurgery Center in Merced, California.
Dr. Eggen's NPI, 1588742498, was assigned on November 1, 2006. Dr. Eggen graduated from Des Moines University in 1978. Dr. Eggen holds California license 20A4510.
- NPI
- 1588742498NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709814858
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (209) 205-1086
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gilbert R. Eggen practices at El Portal Endosurgery Center in Merced, California
Dr. Eggen's primary practice is El Portal Endosurgery Center, at 3365 G St, Merced, CA 95340 in Merced County. The practice phone is (209) 205-1086.
- El Portal Endosurgery Center3365 G St, Merced, CA 95340 · Merced CountyPhone(209) 205-1086
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gilbert R. Eggen is affiliated with 1 site of care
Dr. Eggen's primary practice is El Portal Endosurgery Center in Merced, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Gilbert R. Eggen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eggen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Portal Endosurgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gilbert R. Eggen is one of 6,803 psychiatrists in California
Psychiatry is Dr. Eggen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Eggen is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Eggen is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists ADHD, anxiety, bipolar disorder, depression, drug use disorders and schizophrenia among the conditions Dr. Eggen treats.
Psychiatrists near Dr. Eggen
Counts of psychiatrists 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. Gilbert R. Eggen billed Medicare for 355 services in 2024
CMS data shows 355 Medicare services from Dr. Eggen across 4 procedure codes in 2024, for 47 Medicare patients. Medicare paid $25,397 for them. Every service was in an office.
Dr. Eggen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1952024: 2139%
- Tests and treatments
- 2023: 1342024: 1426%
Dr. Eggen compared with the California median for psychiatrists, 2024
- Dr. Eggen
- California median
- Medicare services
- 355vs 1193.0 times
- Medicare patients
- 47vs 4115% above
- Part D claims
- 790vs 1445.5 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Eggen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Eggen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Eggen and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gilbert R. Eggen treated 47 Medicare patients in 2024, average age 70
CMS counts 47 Medicare patients who saw Dr. Eggen in 2024. 75% of them have mood disorders, and 68% have high cholesterol. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Eggen's median patient age at 56, with 60% women.
Dr. Eggen's Medicare patients by sex, 2024
- Women3268%
- Men1532%
Chronic conditions among Dr. Eggen's Medicare patients, 2024
- Mood disorders75%
- High cholesterol68%
- Depression62%
- High blood pressure55%
- Anxiety43%
- Arthritis38%
- Bipolar disorder28%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Eggen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gilbert R. Eggen wrote 910 Medicare Part D claims in 2024
In 2024, Dr. Eggen wrote 910 Medicare Part D claims for 68 patients. 97% of them were for generic drugs. CMS names the drug for 790 of them, across 21 drugs with 11 or more claims each, at $41,732 in total drug cost. In 2023, CMS named 873 claims across 20 drugs.
Dr. Eggen's Part D claims by kind of drug, 2024
- Generic880 claims97%
- Brand-name30 claims3%
Dr. Eggen'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. Eggen's Part D claims, 2024
- Antipsychotics, patients 65 and over14%126 of 910 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: 8732024: 79010%
Drugs named by CMS: 21 in 2024, 20 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. Gilbert R. Eggen received $16 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Eggen from 1 drug or device company in 2016. Education make up the largest share, 100% of the total. Allergan Inc. paid the most, $16.
Companies that paid Dr. Eggen the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gilbert R. Eggen graduated from Des Moines University
Dr. Eggen graduated from Des Moines University in 1978.
- Medical school
- Board certified in psychiatry
- Board certified in 1980 - 2027
- Board certified in 1993 - 2025
Source: Dmand AI Professional Profile Data
Dr. Gilbert R. Eggen accepts plans from 9 insurance carriers
Dr. Eggen is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Eggen accepts, by number of carriers
- Medicare9
- PPO7
- HMO3
- EPO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gilbert R. Eggen'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 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gilbert R. Eggen
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. Gilbert R. Eggen's NPI number?
Dr. Gilbert R. Eggen's NPI number is 1588742498. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gilbert R. Eggen?
Dr. Gilbert R. Eggen is a psychiatrist in Merced, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gilbert R. Eggen practice?
Dr. Eggen practices at 3365 G St, Merced, CA 95340. Dr. Eggen's primary practice is El Portal Endosurgery Center in Merced, California.
What is Dr. Gilbert R. Eggen's office phone number?
The practice phone on file for Dr. Eggen is (209) 205-1086.
What is Dr. Gilbert R. Eggen's medical license number?
Dr. Eggen holds California license 20A4510.
Does Dr. Gilbert R. Eggen accept Medicare?
Yes. CMS data shows Dr. Eggen billed Medicare for 355 services in 2024.
How many Medicare patients does Dr. Gilbert R. Eggen see?
CMS counts 47 Medicare patients who saw Dr. Eggen in 2024, with an average age of 70.
Is Dr. Gilbert R. Eggen board certified?
Yes. Dr. Eggen is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Gilbert R. Eggen bill to Medicare?
In 2024, Dr. Eggen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and psychiatric service (90836).
Where did Dr. Gilbert R. Eggen go to medical school?
Dr. Eggen graduated from Des Moines University in 1978.
Show 4 more questionsShow fewer questions
What drugs does Dr. Gilbert R. Eggen prescribe most?
In 2024 Medicare Part D data, Dr. Eggen's most prescribed drugs by claims were Lamotrigine, Aripiprazole and Alprazolam.
Has Dr. Gilbert R. Eggen received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Eggen from 1 company from 2016 to 2016. The largest total came from Allergan Inc.
How long has Dr. Gilbert R. Eggen been practicing?
Dr. Eggen graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Gilbert R. Eggen accept?
Dr. Eggen is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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