Dr. Charles J. Fredericks, MD
- Medicare services, 2024
- 153
- Medicare patients, 2024
- 105
- Publications
- 17
- MIPS score, 2024
- 82
- Hospital affiliations
- 2
- Practice address
- 500 W Hospital Road, French Camp, CA 95231
- Practice phone
- Call (209) 468-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fredericks' 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. Charles J. Fredericks is a general surgeon in French Camp, California
Dr. Fredericks practices at San Joaquin General Hospital in French Camp, California, part of County of San Joaquin.
Dr. Fredericks' NPI, 1952747628, was assigned on May 21, 2013. Dr. Fredericks graduated from Rutgers New Jersey Medical School in 2013. Dr. Fredericks holds California license A161492.
- NPI
- 1952747628NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325346430
- NPI enumeration date
- May 21, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 468-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles J. Fredericks practices at San Joaquin General Hospital in French Camp, California
Dr. Fredericks' primary practice is San Joaquin General Hospital, at 500 W Hospital Road, French Camp, CA 95231 in San Joaquin County. The practice phone is (209) 468-6000.
- San Joaquin General Hospital500 W Hospital Road, French Camp, CA 95231 · San Joaquin CountyPhone(209) 468-6000
Source: Dmand AI Affiliation Data
Dr. Charles J. Fredericks is affiliated with 3 sites of care and 3 medical groups
Dr. Fredericks' primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. Dr. Fredericks is also affiliated with UC Davis Medical Center. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Fredericks to 2 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles J. Fredericks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fredericks practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Joaquin General Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles J. Fredericks is one of 2,926 general surgeons in California
Surgery is Dr. Fredericks' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Fredericks is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Fredericks' licenses on file in 4 states: California, Illinois, Tennessee and Colorado.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Illinois license
- Tennessee license
- Colorado license
Clinical focus
Dmand AI lists chest trauma, collapsed lung, multiple traumatic injuries, non-surgical back problems and traumatic coma among the conditions Dr. Fredericks treats.
General surgeons near Dr. Fredericks
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. Charles J. Fredericks billed Medicare for 153 services in 2024
CMS data shows 153 Medicare services from Dr. Fredericks across 4 procedure codes in 2024, for 105 Medicare patients. Medicare paid $13,888 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fredericks' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1552024: 1531%
Dr. Fredericks compared with the California median for general surgeons, 2024
- Dr. Fredericks
- California median
- Medicare services
- 153vs 1668% below
- Medicare patients
- 105vs 12113% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Fredericks' 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. Fredericks and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles J. Fredericks treated 105 Medicare patients in 2024, average age 77
CMS counts 105 Medicare patients who saw Dr. Fredericks in 2024. The largest group is 85 and over, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.83, 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. Fredericks' median patient age at 44, with 37% women.
Dr. Fredericks' Medicare patients by age, 2024
Dr. Fredericks' Medicare patients by sex, 2024
- Women4846%
- Men5754%
Chronic conditions among Dr. Fredericks' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes46%
- Chronic kidney disease45%
- Arthritis43%
- Heart failure38%
- Atrial fibrillation36%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fredericks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women37%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles J. Fredericks scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Fredericks for performance year 2024, reported as part of a group. Dr. Fredericks accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fredericks' MIPS scores, performance year 2024
- 82of 100Final score
- 71.6of 100Quality
- 40of 100Improvement Activities
- 58of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charles J. Fredericks has 17 publications on record
Dmand AI links 17 papers to Dr. Fredericks, published from 2015 to 2021. 2020 was the busiest year, with 3. The most frequent topics are Body Surface Area, Burns and Computed Tomography Angiography. Dr. Fredericks has published most often in Am Surg. Dr. Fredericks' most frequent co-authors are Faran Bokhari, MD, James Reidar Yon, MD and James R. Yon, MD.
Dr. Fredericks' papers by year, 2015 to 2021
Topics Dr. Fredericks writes about most
- Body Surface Area
- Burns
- Computed Tomography Angiography
- Hidradenitis Suppurativa
- Laparoscopy
- Wounds, Gunshot
Dr. Fredericks' most frequent co-authors
Recent publications by Dr. Fredericks
Cardiovasc Intervent Radiol
See who Dr. Fredericks researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fredericks works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charles J. Fredericks received $64 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Fredericks from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $45.
Companies that paid Dr. Fredericks 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. Charles J. Fredericks graduated from Rutgers New Jersey Medical School
Dr. Fredericks graduated from Rutgers New Jersey Medical School in 2013.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Dr. Charles J. Fredericks accepts plans from 2 insurance carriers
Dr. Fredericks is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
- NV State Medicaid
Plan types Dr. Fredericks accepts, by number of carriers
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles J. Fredericks'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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Charles J. Fredericks
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. Charles J. Fredericks' NPI number?
Dr. Charles J. Fredericks' NPI number is 1952747628. It was assigned on May 21, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles J. Fredericks?
Dr. Charles J. Fredericks is a general surgeon in French Camp, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Charles J. Fredericks practice?
Dr. Fredericks practices at 500 W Hospital Road, French Camp, CA 95231. Dr. Fredericks' primary practice is San Joaquin General Hospital in French Camp, California, part of County of San Joaquin. Dmand AI also links Dr. Fredericks to 2 medical groups and 1 community health center.
What is Dr. Charles J. Fredericks' office phone number?
The practice phone on file for Dr. Fredericks is (209) 468-6000.
What is Dr. Charles J. Fredericks' medical license number?
Dr. Fredericks holds California license A161492, one of the licenses on file in 4 states.
Which states has Dr. Charles J. Fredericks been licensed in?
Dmand AI has state licenses on file for Dr. Fredericks in California (2019 to 2027), Illinois (2013 to 2019), Tennessee (1996 to 2018) and Colorado (1982 to 2017).
Which hospitals is Dr. Charles J. Fredericks affiliated with?
Dr. Fredericks practices at San Joaquin General Hospital in French Camp, California. Dr. Fredericks is also affiliated with UC Davis Medical Center.
What medical group is Dr. Charles J. Fredericks part of?
Dr. Fredericks is linked to UC Davis Medical Group. Dmand AI links Dr. Fredericks to 2 more medical groups.
Does Dr. Charles J. Fredericks accept Medicare?
Yes. CMS data shows Dr. Fredericks billed Medicare for 153 services in 2024, and Dr. Fredericks accepts Medicare assignment.
What is Dr. Charles J. Fredericks' MIPS score?
Dr. Fredericks' MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Charles J. Fredericks see?
CMS counts 105 Medicare patients who saw Dr. Fredericks in 2024, with an average age of 77.
Is Dr. Charles J. Fredericks board certified?
Yes. Dr. Fredericks is board certified in surgery by the American Board of Surgery.
What services does Dr. Charles J. Fredericks bill to Medicare?
In 2024, Dr. Fredericks' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).
Where did Dr. Charles J. Fredericks go to medical school?
Dr. Fredericks graduated from Rutgers New Jersey Medical School in 2013.
Has Dr. Charles J. Fredericks received payments from drug or device companies?
CMS Open Payments shows $64 in general payments to Dr. Fredericks from 2 companies from 2016 to 2016. The largest total came from Mallinckrodt LLC.
How long has Dr. Charles J. Fredericks been practicing?
Dr. Fredericks graduated from medical school in 2013, 13 years ago.
Does Dr. Charles J. Fredericks do research?
Dmand AI links 17 publications to Dr. Fredericks, published from 2015 to 2021.
Who does Dr. Charles J. Fredericks publish with?
Dr. Fredericks' most frequent co-authors are Faran Bokhari, MD (9 shared papers), James Reidar Yon, MD (7 shared papers) and James R. Yon, MD (7 shared papers).
What insurance does Dr. Charles J. Fredericks accept?
Dr. Fredericks is in network with 2 carriers, including CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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