Dr. John R. Frey, MD
- Medicare services, 2023
- 55
- Industry payments
- $361
- Affiliated sites
- 2
- Medical groups
- 2
- Insurance carriers
- 4
- Practice address
- 7930 Frost St Ste 204 Suite 204, San Diego, CA 92123
- Practice phone
- Call (858) 939-3200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eacmc - San Diego (7930 Frost St)
Multi-specialty group site · San Diego, California
Find Dr. Frey'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. John R. Frey is a general surgeon in San Diego, California
Dr. Frey practices at Eacmc - San Diego (7930 Frost St) in San Diego, California.
Dr. Frey's NPI, 1396751285, was assigned on July 31, 2006. Dr. Frey graduated from Keck School of Medicine of USC in 1982. Dr. Frey holds California license G50392.
- NPI
- 1396751285NPI Registry (opens in a new tab)
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Practice phone
- (858) 939-3200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Frey practices at 2 locations in San Diego, California
Dr. Frey's primary practice is Eacmc - San Diego (7930 Frost St), at 7930 Frost St Ste 204 Suite 204, San Diego, CA 92123. The practice phone is (858) 939-3200. The NPI Registry lists Dr. Frey's practice address as 7901 Frost St, San Diego, CA 92123.
- Eacmc - San Diego (7930 Frost St)Primary7930 Frost St Ste 204 Suite 204, San Diego, CA 92123Phone(858) 939-3200
- NPI Registry address7901 Frost St, San Diego, CA 92123 · San Diego CountyPhone(858) 565-0104
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. John R. Frey is affiliated with 2 sites of care and 2 medical groups
Dr. Frey's primary practice is Eacmc - San Diego (7930 Frost St) in San Diego, California. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Frey to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John R. Frey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frey practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eacmc - San Diego (7930 Frost St) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John R. Frey is one of 2,926 general surgeons in California
Surgery is Dr. Frey's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Frey is board certified in surgery by the American Board of Surgery. Dr. Frey is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, appendectomy, colon removal, gallbladder removal and traumatic coma among the conditions Dr. Frey treats.
General surgeons near Dr. Frey
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. John R. Frey billed Medicare for 55 services in 2023
CMS data shows 55 Medicare services from Dr. Frey across 3 procedure codes in 2023. Medicare paid $5,251 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Frey's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1832023: 5570%
Dr. Frey compared with the California median for general surgeons, 2023
- Dr. Frey
- California median
- Medicare services
- 55vs 16667% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Frey's most billed Medicare procedure codes, 2023
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 general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Frey's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Frey's median patient age at 69, with 100% women.
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
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
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Dr. John R. Frey received $361 in industry payments from 2016 to 2017
CMS Open Payments shows 4 general payments to Dr. Frey from 3 drug and device companies from 2016 to 2017. Travel and lodging make up the largest share, 90% of the total. Zimmer Biomet Holdings, Inc. paid the most, $324.
General payments to Dr. Frey by program year, 2016 to 2017
General payments to Dr. Frey by kind, 2016 to 2017
- Travel and lodging$32490%
- Food and beverage$3710%
Companies that paid Dr. Frey the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John R. Frey graduated from Keck School of Medicine of USC
Dr. Frey graduated from Keck School of Medicine of USC in 1982.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. John R. Frey accepts plans from 4 insurance carriers
Dr. Frey is in network with 4 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Frey accepts, by number of carriers
- Medicare4
- PPO4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John R. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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. John R. 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. John R. Frey's NPI number?
Dr. John R. Frey's NPI number is 1396751285. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Frey?
Dr. John R. Frey is a general surgeon in San Diego, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John R. Frey practice?
Dr. Frey practices at 7930 Frost St Ste 204 Suite 204, San Diego, CA 92123. Dr. Frey also practices at 7901 Frost St, San Diego, CA 92123. Dr. Frey's primary practice is Eacmc - San Diego (7930 Frost St) in San Diego, California. Dmand AI also links Dr. Frey to 1 group practice or clinic and 1 medical group.
What is Dr. John R. Frey's office phone number?
The practice phone on file for Dr. Frey is (858) 939-3200.
What is Dr. John R. Frey's medical license number?
Dr. Frey holds California license G50392.
What medical group is Dr. John R. Frey part of?
Dr. Frey is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Dr. Frey to 1 more medical group.
Does Dr. John R. Frey accept Medicare?
Yes. CMS data shows Dr. Frey billed Medicare for 55 services in 2023.
Is Dr. John R. Frey board certified?
Yes. Dr. Frey is board certified in surgery by the American Board of Surgery.
What services does Dr. John R. Frey bill to Medicare?
In 2023, Dr. Frey's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99222).
Where did Dr. John R. Frey go to medical school?
Dr. Frey graduated from Keck School of Medicine of USC in 1982.
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Has Dr. John R. Frey received payments from drug or device companies?
CMS Open Payments shows $361 in general payments to Dr. Frey from 3 companies from 2016 to 2017. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. John R. Frey been practicing?
Dr. Frey graduated from medical school in 1982, 44 years ago.
What insurance does Dr. John R. Frey accept?
Dr. Frey is in network with 4 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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