Dr. Eric Detlef Frey, MD
- Medicare services, 2024
- 514
- Medicare patients, 2024
- 450
- Part D claims, 2024
- 1,161
- Hospital affiliations
- 1
- Industry payments
- $38
- Practice address
- 2400 South Avenue a, Yuma, AZ 85364
- Practice phone
- Call (928) 336-7600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Frey's professional email, personal email and mobile number
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Dr. Eric Detlef Frey is a gastroenterologist in Yuma, Arizona
Dr. Frey practices at Onvida Health Yuma Medical Center in Yuma, Arizona, part of Onvida Health.
Dr. Frey's NPI, 1891091682, was assigned on January 27, 2011. Dr. Frey graduated from St. George's University School of Medicine in 2007. Dr. Frey holds California license A116953.
- NPI
- 1891091682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355650227
- NPI enumeration date
- January 27, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (928) 336-7600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Detlef Frey practices at Onvida Health Yuma Medical Center in Yuma, Arizona
Dr. Frey's primary practice is Onvida Health Yuma Medical Center, at 2400 South Avenue a, Yuma, AZ 85364 in Yuma County. The practice phone is (928) 336-7600.
- Onvida Health Yuma Medical Center2400 South Avenue a, Yuma, AZ 85364 · Yuma CountyPhone(928) 336-7600
Source: Dmand AI Affiliation Data
Dr. Eric Detlef Frey is affiliated with 1 site of care and 2 medical groups
Dr. Frey's primary practice is Onvida Health Yuma Medical Center in Yuma, Arizona, part of Onvida Health. The medical group on file is Onvida Health Yuma Medical Center. Dmand AI also links Dr. Frey to 1 more medical group, named with a free account. Dr. Frey's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Detlef Frey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Onvida Health Yuma Medical Center | Available with a free account |
| +1 medical group | 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 Onvida Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric Detlef Frey is one of 380 gastroenterologists in Arizona
Gastroenterology is Dr. Frey's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Frey is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Frey's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Arizona license
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroenteritis, hemorrhoids, hepatitis c and intestinal diverticulosis among the conditions Dr. Frey treats.
Gastroenterologists near Dr. Frey
Counts of gastroenterologists 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 Detlef Frey billed Medicare for 514 services in 2024
CMS data shows 514 Medicare services from Dr. Frey across 7 procedure codes in 2024, for 450 Medicare patients. Medicare paid $39,106 for them.
Dr. Frey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 152024: 4182687%
- Surgery
- 2023: 1132024: 9615%
- Other services
- 2023: 252024: 0100%
Where Dr. Frey's Medicare services took place, 2024
- In an office41881%
- In a facility9619%
Dr. Frey compared with the Arizona median for gastroenterologists, 2024
- Dr. Frey
- Arizona median
- Medicare services
- 514vs 508Close to median
- Medicare patients
- 450vs 31941% above
- Part D claims
- 1,015vs 3103.3 times
Medians across 369 gastroenterologists in Arizona with Dmand AI profiles that report each measure.
Dr. Frey'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. Frey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Frey and other gastroenterologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Detlef Frey treated 450 Medicare patients in 2024, average age 75
CMS counts 450 Medicare patients who saw Dr. Frey in 2024. The largest group is 65 to 74, with 200 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Frey's median patient age at 69, with 62% women.
Dr. Frey's Medicare patients by age, 2024
Dr. Frey's Medicare patients by sex, 2024
- Women24254%
- Men20846%
Chronic conditions among Dr. Frey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes35%
- Ischemic heart disease34%
- Chronic kidney disease32%
- Anxiety20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Frey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Detlef Frey wrote 1,161 Medicare Part D claims in 2024
In 2024, Dr. Frey wrote 1,161 Medicare Part D claims for 573 patients. 80% of them were for generic drugs. CMS names the drug for 1,015 of them, across 23 drugs with 11 or more claims each, at $273,134 in total drug cost. In 2023, CMS named 237 claims across 10 drugs.
Dr. Frey's Part D claims by kind of drug, 2024
- Generic928 claims80%
- Brand-name233 claims20%
Dr. Frey'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. Frey's Part D claims, 2024
- Antibiotics9%106 of 1,161 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: 2372024: 1,015328%
Drugs named by CMS: 23 in 2024, 10 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 Detlef Frey ranks in the 84th percentile for colonoscopy in Medicare
Dr. Frey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 122 procedures of colonoscopy by Dr. Frey, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Frey ranks in Medicare procedure volume
- Colonoscopy
- 84th percentile122 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 74th percentile90 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eric Detlef Frey received $38 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Frey from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $22.
General payments to Dr. Frey by program year, 2024 to 2025
Companies that paid Dr. Frey the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Detlef Frey graduated from St. George's University School of Medicine
Dr. Frey graduated from St. George's University School of Medicine in 2007.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Eric Detlef Frey accepts plans from 16 insurance carriers
Dr. Frey is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Frey accepts, by number of carriers
- PPO11
- HMO7
- Medicare7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric Detlef Frey'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 | Doctors and Clinicians National Downloadable File (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 |
| 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 Detlef Frey
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 Detlef Frey's NPI number?
Dr. Eric Detlef Frey's NPI number is 1891091682. It was assigned on January 27, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Detlef Frey?
Dr. Eric Detlef Frey is a gastroenterologist in Yuma, Arizona. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Eric Detlef Frey practice?
Dr. Frey practices at 2400 South Avenue a, Yuma, AZ 85364. Dr. Frey's primary practice is Onvida Health Yuma Medical Center in Yuma, Arizona, part of Onvida Health. Dmand AI also links Dr. Frey to 1 medical group.
What is Dr. Eric Detlef Frey's office phone number?
The practice phone on file for Dr. Frey is (928) 336-7600.
What is Dr. Eric Detlef Frey's medical license number?
Dr. Frey holds California license A116953, one of the licenses on file in 2 states.
Which states has Dr. Eric Detlef Frey been licensed in?
Dmand AI has state licenses on file for Dr. Frey in California (2011 to 2027) and Arizona (2024 to 2026).
Which hospitals is Dr. Eric Detlef Frey affiliated with?
Dr. Frey practices at Onvida Health Yuma Medical Center in Yuma, Arizona.
What medical group is Dr. Eric Detlef Frey part of?
Dr. Frey is linked to Onvida Health Yuma Medical Center. Dmand AI links Dr. Frey to 1 more medical group.
Does Dr. Eric Detlef Frey accept Medicare?
Yes. CMS data shows Dr. Frey billed Medicare for 514 services in 2024, and Dr. Frey accepts Medicare assignment.
How many Medicare patients does Dr. Eric Detlef Frey see?
CMS counts 450 Medicare patients who saw Dr. Frey in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Eric Detlef Frey board certified?
Yes. Dr. Frey is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Eric Detlef Frey bill to Medicare?
In 2024, Dr. Frey's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Eric Detlef Frey go to medical school?
Dr. Frey graduated from St. George's University School of Medicine in 2007.
What drugs does Dr. Eric Detlef Frey prescribe most?
In 2024 Medicare Part D data, Dr. Frey's most prescribed drugs by claims were Omeprazole, Famotidine and Gavilyte-G.
Has Dr. Eric Detlef Frey received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Dr. Frey from 2 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Eric Detlef Frey been practicing?
Dr. Frey graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Eric Detlef Frey accept?
Dr. Frey is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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