$1,033 in research paymentsRenal Insufficiency, ChronicRenal InsufficiencyVadadustatDarbepoetin alfa
Dr. Michael Roy Fredericks, MD
NPI1699730341PAC ID0547219271
- Medicare services, 2024
- 1,712
- Medicare patients, 2024
- 275
- Part D claims, 2024
- 1,816
- Clinical trials
- 1
- MIPS score, 2024
- 90
- Practice address
- 2045 Hamilton Blvd, South Boston, VA 24592
- Practice phone
- Call (434) 792-1433
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southside Urology & Nephrology
South Boston, Virginia
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. Michael Roy Fredericks is a nephrologist in South Boston, Virginia
Dr. Fredericks practices at Southside Urology & Nephrology in South Boston, Virginia.
Dr. Fredericks' NPI, 1699730341, was assigned on April 18, 2006. Dr. Fredericks graduated from Saint Louis University School of Medicine in 1977. Dr. Fredericks holds Virginia license 0101233036.
NPI and contact details
- NPI
- 1699730341NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547219271
- NPI enumeration date
- April 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (434) 792-1433
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Roy Fredericks practices at Southside Urology & Nephrology in South Boston, Virginia
Dr. Fredericks' primary practice is Southside Urology & Nephrology, at 2045 Hamilton Blvd, South Boston, VA 24592 in Halifax County. The practice phone is (434) 792-1433.
- Southside Urology & Nephrology2045 Hamilton Blvd, South Boston, VA 24592 · Halifax CountyPhone(434) 792-1433
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Roy Fredericks is affiliated with 5 sites of care and 1 medical group
Dr. Fredericks' primary practice is Southside Urology & Nephrology in South Boston, Virginia. Dr. Fredericks is also affiliated with Sentara Halifax Regional Hospital. The medical group on file is Southside Urology & Nephrology. Dmand AI also links Dr. Fredericks to 2 more dialysis centers and 1 group practice or clinic, each named with a free account.
Southside Urology & NephrologyPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Roy Fredericks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fredericks practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southside Urology & Nephrology | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Michael Roy Fredericks is one of 289 nephrologists in Virginia
Nephrology is Dr. Fredericks' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Fredericks' licenses on file in 2 states: Virginia and North Carolina.
Specialties and state licenses
- Nephrology, VirginiaPrimary
- North Carolina license
Nephrologists near Dr. Fredericks
Counts of nephrologists 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. Michael Roy Fredericks billed Medicare for 1,712 services in 2024
CMS data shows 1,712 Medicare services from Dr. Fredericks across 14 procedure codes in 2024, for 275 Medicare patients. Medicare paid $116,818 for them.
Medicare services, 20241,712
Medicare patients275
Paid by Medicare$116,818
Procedure codes14
Dr. Fredericks' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0242024: 90312%
- Lab and pathology
- 2023: 3292024: 2989%
- Other services
- 2023: 02024: 293
- Tests and treatments
- 2023: 3682024: 21841%
Where Dr. Fredericks' Medicare services took place, 2024
- In an office1,61094%
- In a facility1026%
Dr. Fredericks compared with the Virginia median for nephrologists, 2024
- Dr. Fredericks
- Virginia median
- Medicare services
- 1,712vs 1,22740% above
- Medicare patients
- 275vs 38729% below
- Part D claims
- 1,437vs 77087% above
Medians across 276 nephrologists in Virginia 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.
Need commercial claims for Dr. Fredericks?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fredericks and other nephrologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Roy Fredericks treated 275 Medicare patients in 2024, average age 75
CMS counts 275 Medicare patients who saw Dr. Fredericks in 2024. The largest group is 75 to 84, with 113 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 22% are also on Medicaid. Their average risk score is 2.92, 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 74, with 53% women.
Medicare patients, 2024275
Average age75
Average risk score2.92
Also on Medicaid22%
Dr. Fredericks' Medicare patients by age, 2024
Dr. Fredericks' Medicare patients by sex, 2024
- Women13951%
- Men13649%
Chronic conditions among Dr. Fredericks' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Ischemic heart disease42%
- Heart failure38%
- Arthritis37%
- Atrial fibrillation31%
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 74
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Roy Fredericks wrote 1,816 Medicare Part D claims in 2024
In 2024, Dr. Fredericks wrote 1,816 Medicare Part D claims for 255 patients. 76% of them were for generic drugs. CMS names the drug for 1,437 of them, across 38 drugs with 11 or more claims each, at $319,934 in total drug cost. In 2023, CMS named 1,360 claims across 44 drugs.
Part D claims, 20241,816
Drugs named by CMS38
Total drug cost$319,934
Part D patients255
Dr. Fredericks' Part D claims by kind of drug, 2024
- Generic1,380 claims76%
- Brand-name and other436 claims24%
Dr. Fredericks' 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. Fredericks' Part D claims, 2024
- Antibiotics1%27 of 1,816 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: 1,3602024: 1,4376%
Drugs named by CMS: 38 in 2024, 44 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. Michael Roy Fredericks 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. 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
- 90of 100Final score
- 77.2of 100Quality
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 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. Michael Roy Fredericks has worked on 1 clinical trial
Dmand AI links Dr. Fredericks to 1 clinical trial. Conditions studied include Renal Insufficiency, Chronic and Renal Insufficiency. Open Payments lists research payments to Dr. Fredericks that name 1 trial.
Conditions in Dr. Fredericks' trials
- Renal Insufficiency, Chronic
- Renal Insufficiency
Investigators on the most trials with Dr. Fredericks
- Sanjiv Anand, MD, MS1 shared trial
- Michael W. Archie, MD1 shared trial
- Muhammad Qasim Cheema, MD1 shared trial
Recent clinical trials with Dr. Fredericks
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Roy Fredericks received $8,131 in industry payments from 2016 to 2025
CMS Open Payments shows 383 general payments to Dr. Fredericks from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 78% of the total. Relypsa, Inc. paid the most, $758. It also lists 1 research payment totaling $1,033 in 2018, naming 1 clinical trial.
General payments to Dr. Fredericks by program year, 2016 to 2025
General payments to Dr. Fredericks by kind, 2016 to 2025
$8.1Kin total
- Food and beverage$6,33178%
- Speaker and faculty fees$5507%
- Consulting fees$5006%
- Travel and lodging$3554%
- Other$3955%
Companies that paid Dr. Fredericks 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. Michael Roy Fredericks graduated from Saint Louis University School of Medicine
Dr. Fredericks graduated from Saint Louis University School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Roy 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 | 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 DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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 |
| 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. Michael Roy 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. Michael Roy Fredericks' NPI number?
Dr. Michael Roy Fredericks' NPI number is 1699730341. It was assigned on April 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Roy Fredericks?
Dr. Michael Roy Fredericks is a nephrologist in South Boston, Virginia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Michael Roy Fredericks practice?
Dr. Fredericks practices at 2045 Hamilton Blvd, South Boston, VA 24592. Dr. Fredericks' primary practice is Southside Urology & Nephrology in South Boston, Virginia. Dmand AI also links Dr. Fredericks to 2 dialysis centers and 1 group practice or clinic.
What is Dr. Michael Roy Fredericks' office phone number?
The practice phone on file for Dr. Fredericks is (434) 792-1433.
What is Dr. Michael Roy Fredericks' medical license number?
Dr. Fredericks holds Virginia license 0101233036, one of the licenses on file in 2 states.
Which states has Dr. Michael Roy Fredericks been licensed in?
Dmand AI has state licenses on file for Dr. Fredericks in Virginia and North Carolina.
Which hospitals is Dr. Michael Roy Fredericks affiliated with?
Dr. Fredericks is affiliated with Sentara Halifax Regional Hospital.
What medical group is Dr. Michael Roy Fredericks part of?
Dr. Fredericks is linked to Southside Urology & Nephrology.
Does Dr. Michael Roy Fredericks accept Medicare?
Yes. CMS data shows Dr. Fredericks billed Medicare for 1,712 services in 2024, and Dr. Fredericks accepts Medicare assignment.
What is Dr. Michael Roy Fredericks' MIPS score?
Dr. Fredericks' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Roy Fredericks see?
CMS counts 275 Medicare patients who saw Dr. Fredericks in 2024, with an average age of 75.
What services does Dr. Michael Roy Fredericks bill to Medicare?
In 2024, Dr. Fredericks' most billed Medicare services were care management and other visits (99490), medicare service (G2211) and lab and pathology test (81002).
Where did Dr. Michael Roy Fredericks go to medical school?
Dr. Fredericks graduated from Saint Louis University School of Medicine in 1977.
What drugs does Dr. Michael Roy Fredericks prescribe most?
In 2024 Medicare Part D data, Dr. Fredericks' most prescribed drugs by claims were Farxiga, Jardiance and Amlodipine Besylate.
Has Dr. Michael Roy Fredericks received payments from drug or device companies?
CMS Open Payments shows $8,131 in general payments to Dr. Fredericks from 35 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Michael Roy Fredericks been practicing?
Dr. Fredericks graduated from medical school in 1977, 49 years ago.
Does Dr. Michael Roy Fredericks do research?
Dr. Fredericks has worked on 1 clinical trial.
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