Dr. Eric M. Fields, DO
- Medicare services, 2024
- 960
- Medicare patients, 2024
- 599
- Part D claims, 2024
- 336
- MIPS score, 2024
- 90
- Hospital affiliations
- 1
- Practice address
- 147 North Brent Street, Ventura, CA 93003
- Practice phone
- Call (805) 652-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fields' 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 M. Fields is an emergency medicine physician in Ventura, California
Dr. Fields practices at Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare.
Dr. Fields' NPI, 1972557502, was assigned on May 19, 2006. Dr. Fields graduated from WesternU College of Osteopathic Medicine of the Pacific in 1998. Dr. Fields holds California license 20A10519.
- NPI
- 1972557502NPI Registry (opens in a new tab)
- NPI enumeration date
- May 19, 2006
- NPI status
- Active
- Practice phone
- (805) 652-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Eric M. Fields practices at Community Memorial Hospital - Ventura in Ventura, California
Dr. Fields' primary practice is Community Memorial Hospital - Ventura, at 147 North Brent Street, Ventura, CA 93003 in Ventura County. The practice phone is (805) 652-5011.
- Community Memorial Hospital - Ventura147 North Brent Street, Ventura, CA 93003 · Ventura CountyPhone(805) 652-5011
Source: Dmand AI Affiliation Data
Dr. Eric M. Fields is affiliated with 1 site of care and 1 medical group
Dr. Fields' primary practice is Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare. The medical group on file is Ventura Emergency Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric M. Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Memorial Hospital - Ventura | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Community Memorial Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric M. Fields is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Fields is board certified in 2008 - 2026 by the CA State License. Dmand AI has Dr. Fields' licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Emergency medical services (emergency medicine), Washington
Emergency medicine physicians near Dr. Fields
Counts of emergency medicine physicians 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 M. Fields billed Medicare for 960 services in 2024
CMS data shows 960 Medicare services from Dr. Fields across 6 procedure codes in 2024, for 599 Medicare patients. Medicare paid $82,484 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fields' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6402024: 6351%
- Tests and treatments
- 2023: 4352024: 32525%
Dr. Fields compared with the California median for emergency medicine physicians, 2024
- Dr. Fields
- California median
- Medicare services
- 960vs 2653.6 times
- Medicare patients
- 599vs 2432.5 times
- Part D claims
- 226vs 623.6 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Fields' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fields and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric M. Fields treated 599 Medicare patients in 2024, average age 76
CMS counts 599 Medicare patients who saw Dr. Fields in 2024. The largest group is 75 to 84, with 210 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.20, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Fields' median patient age at 50, with 58% women.
Dr. Fields' Medicare patients by age, 2024
Dr. Fields' Medicare patients by sex, 2024
- Women36561%
- Men23439%
Chronic conditions among Dr. Fields' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders43%
- Depression40%
- Anxiety39%
- Chronic kidney disease38%
- Diabetes36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric M. Fields wrote 336 Medicare Part D claims in 2024
In 2024, Dr. Fields wrote 336 Medicare Part D claims for 235 patients. 94% of them were for generic drugs. CMS names the drug for 226 of them, across 6 drugs with 11 or more claims each, at $1,443 in total drug cost. In 2023, CMS named 227 claims across 9 drugs.
Dr. Fields' Part D claims by kind of drug, 2024
- Generic316 claims94%
- Brand-name and other20 claims6%
Dr. Fields' 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. Fields' Part D claims, 2024
- Opioids10%33 of 336 claims
- Antibiotics28%94 of 336 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: 2272024: 226No change
Drugs named by CMS: 6 in 2024, 9 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 M. Fields scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Fields for performance year 2024, reported as part of a group.
Dr. Fields' MIPS scores, performance year 2024
- 90of 100Final score
- 78.6of 100Quality
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Eric M. Fields received $334 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Fields from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Daiichi Sankyo Inc. paid the most, $128.
General payments to Dr. Fields by program year, 2016 to 2025
Companies that paid Dr. Fields the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric M. Fields graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Fields graduated from WesternU College of Osteopathic Medicine of the Pacific in 1998.
- Medical school
- Board certified in 2008 - 2026
- Board certified in 2001 - 2003
- Board certified in 2002 - 2008
Source: Dmand AI Professional Profile Data
Dr. Eric M. Fields accepts plans from 5 insurance carriers
Dr. Fields is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Fields accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric M. Fields'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Eric M. Fields
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 M. Fields' NPI number?
Dr. Eric M. Fields' NPI number is 1972557502. It was assigned on May 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric M. Fields?
Dr. Eric M. Fields is an emergency medicine physician in Ventura, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Eric M. Fields practice?
Dr. Fields practices at 147 North Brent Street, Ventura, CA 93003. Dr. Fields' primary practice is Community Memorial Hospital - Ventura in Ventura, California, part of Community Memorial Healthcare.
What is Dr. Eric M. Fields' office phone number?
The practice phone on file for Dr. Fields is (805) 652-5011.
What is Dr. Eric M. Fields' medical license number?
Dr. Fields holds California license 20A10519, one of the licenses on file in 2 states.
Which states has Dr. Eric M. Fields been licensed in?
Dmand AI has state licenses on file for Dr. Fields in California and Washington.
Which hospitals is Dr. Eric M. Fields affiliated with?
Dr. Fields practices at Community Memorial Hospital - Ventura in Ventura, California.
What medical group is Dr. Eric M. Fields part of?
Dr. Fields is linked to Ventura Emergency Physicians.
Does Dr. Eric M. Fields accept Medicare?
Yes. CMS data shows Dr. Fields billed Medicare for 960 services in 2024.
What is Dr. Eric M. Fields' MIPS score?
Dr. Fields' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Eric M. Fields see?
CMS counts 599 Medicare patients who saw Dr. Fields in 2024, with an average age of 76.
Is Dr. Eric M. Fields board certified?
Yes. Dr. Fields is board certified in 2008 - 2026 by the CA State License.
What services does Dr. Eric M. Fields bill to Medicare?
In 2024, Dr. Fields' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Eric M. Fields go to medical school?
Dr. Fields graduated from WesternU College of Osteopathic Medicine of the Pacific in 1998.
What drugs does Dr. Eric M. Fields prescribe most?
In 2024 Medicare Part D data, Dr. Fields' most prescribed drugs by claims were Ondansetron HCl, Cephalexin and Oxycodone HCl.
Has Dr. Eric M. Fields received payments from drug or device companies?
CMS Open Payments shows $334 in general payments to Dr. Fields from 6 companies from 2016 to 2025. The largest total came from Daiichi Sankyo Inc.
How long has Dr. Eric M. Fields been practicing?
Dr. Fields graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Eric M. Fields accept?
Dr. Fields is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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