Dr. Cathryn McGill Johnson, MD
- Medicare services, 2024
- 475
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 53
- Publications
- 6
- MIPS score, 2024
- 86
- Practice address
- 800 Prudential Dr, Jacksonville, FL 32207
- Practice phone
- Call (904) 202-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnson'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. Cathryn McGill Johnson is a surgical oncologist in Jacksonville, Florida
Dr. Johnson practices at Baptist Medical Center Jacksonville in Jacksonville, Florida, part of Baptist Health.
Dr. Johnson's NPI, 1376987289, was assigned on April 22, 2013. Dr. Johnson graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2013. Dr. Johnson holds Florida license ME150274.
- NPI
- 1376987289NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991946238
- NPI enumeration date
- April 22, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (904) 202-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Cathryn McGill Johnson practices at Baptist Medical Center Jacksonville in Jacksonville, Florida
Dr. Johnson's primary practice is Baptist Medical Center Jacksonville, at 800 Prudential Dr, Jacksonville, FL 32207 in Duval County. The practice phone is (904) 202-2000.
- Baptist Medical Center Jacksonville800 Prudential Dr, Jacksonville, FL 32207 · Duval CountyPhone(904) 202-2000
Source: Dmand AI Affiliation Data
Dr. Cathryn McGill Johnson is affiliated with 4 sites of care and 1 medical group
Dr. Johnson's primary practice is Baptist Medical Center Jacksonville in Jacksonville, Florida, part of Baptist Health. Dr. Johnson is also affiliated with Baptist Medical Center Beaches. The medical group on file is Baptist MD Anderson Cancer Physicians. Dmand AI also links Dr. Johnson to 1 more hospital and 1 group practice or clinic, 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. Cathryn McGill Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Medical Center Jacksonville | Available with a free account |
| +3 more affiliated sites | 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 Baptist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Cathryn McGill Johnson is one of 132 surgical oncologists in Florida
Surgical oncology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Johnson is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Johnson's licenses on file in 2 states: Florida and Pennsylvania.
Specialties and state licenses
- Surgical oncology, FloridaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists mastectomy among the conditions Dr. Johnson treats.
Surgical oncologists near Dr. Johnson
Counts of surgical oncologists 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. Cathryn McGill Johnson billed Medicare for 475 services in 2024
CMS data shows 475 Medicare services from Dr. Johnson across 10 procedure codes in 2024, for 192 Medicare patients. Medicare paid $78,882 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2212024: 31342%
- Surgery
- 2023: 1612024: 12721%
- Tests and treatments
- 2023: 02024: 35
Where Dr. Johnson's Medicare services took place, 2024
- In an office34873%
- In a facility12727%
Dr. Johnson compared with the Florida median for surgical oncologists, 2024
- Dr. Johnson
- Florida median
- Medicare services
- 475vs 1832.6 times
- Medicare patients
- 192vs 11075% above
- Part D claims
- 40vs 3225% above
Medians across 126 surgical oncologists in Florida with Dmand AI profiles that report each measure.
Dr. Johnson'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. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other surgical oncologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cathryn McGill Johnson treated 192 Medicare patients in 2024, average age 73
CMS counts 192 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have cancer, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 71, with 98% women.
Dr. Johnson's Medicare patients by age, 2024
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure73%
- Arthritis49%
- Mood disorders38%
- Osteoporosis37%
- Anxiety36%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women98%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cathryn McGill Johnson wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 53 Medicare Part D claims for 35 patients. 100% of them were for generic drugs. CMS names the drug for 40 of them, across 2 drugs with 11 or more claims each, at $448 in total drug cost. In 2023, CMS named 88 claims across 2 drugs.
Dr. Johnson'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 882024: 4055%
Drugs named by CMS: 2 in 2024, 2 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. Cathryn McGill Johnson scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 50 procedures of mastectomy by Dr. Johnson, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 86of 100Final score
- 73.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Johnson ranks in Medicare procedure volume
- Mastectomy
- 94th percentile50 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Cathryn McGill Johnson has 6 publications on record
Dmand AI links 6 papers to Dr. Johnson, published from 2015 to 2020. Dr. Johnson has published most often in Clin Diabetes. Dr. Johnson's most frequent co-authors are Henry John Rohrs, MD, Desmond A. Schatz, MD and Janet Silverstein, MD.
Dr. Johnson's papers by year, 2015 to 2020
Dr. Johnson's most frequent co-authors
- Henry John Rohrs, MD5 shared papers
- Desmond A. Schatz, MD5 shared papers
- Janet Silverstein, MD5 shared papers
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right surgical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Cathryn McGill Johnson received $137 in industry payments from 2020 to 2021
CMS Open Payments shows 2 general payments to Dr. Johnson from 2 drug and device companies from 2020 to 2021. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.
General payments to Dr. Johnson by program year, 2020 to 2021
Companies that paid Dr. Johnson the most, 2020 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cathryn McGill Johnson graduated from University of Tennessee Health Science Center College of Medicine - Memphis
Dr. Johnson graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2013.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Cathryn McGill Johnson accepts plans from 15 insurance carriers
Dr. Johnson is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Johnson accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Cathryn McGill Johnson'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Cathryn McGill Johnson
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. Cathryn McGill Johnson's NPI number?
Dr. Cathryn McGill Johnson's NPI number is 1376987289. It was assigned on April 22, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Cathryn McGill Johnson?
Dr. Cathryn McGill Johnson is a surgical oncologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Cathryn McGill Johnson practice?
Dr. Johnson practices at 800 Prudential Dr, Jacksonville, FL 32207. Dr. Johnson's primary practice is Baptist Medical Center Jacksonville in Jacksonville, Florida, part of Baptist Health. Dmand AI also links Dr. Johnson to 1 hospital and 1 group practice or clinic.
What is Dr. Cathryn McGill Johnson's office phone number?
The practice phone on file for Dr. Johnson is (904) 202-2000.
What is Dr. Cathryn McGill Johnson's medical license number?
Dr. Johnson holds Florida license ME150274, one of the licenses on file in 2 states.
Which states has Dr. Cathryn McGill Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in Florida (2021 to 2027) and Pennsylvania (2020 to 2022).
Which hospitals is Dr. Cathryn McGill Johnson affiliated with?
Dr. Johnson practices at Baptist Medical Center Jacksonville in Jacksonville, Florida. Dr. Johnson is also affiliated with Baptist Medical Center Beaches. Dmand AI links Dr. Johnson to 1 more hospital.
What medical group is Dr. Cathryn McGill Johnson part of?
Dr. Johnson is linked to Baptist MD Anderson Cancer Physicians.
Does Dr. Cathryn McGill Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 475 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Cathryn McGill Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Cathryn McGill Johnson see?
CMS counts 192 Medicare patients who saw Dr. Johnson in 2024, with an average age of 73.
Is Dr. Cathryn McGill Johnson board certified?
Yes. Dr. Johnson is board certified in surgery by the American Board of Surgery.
What services does Dr. Cathryn McGill Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).
Where did Dr. Cathryn McGill Johnson go to medical school?
Dr. Johnson graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2013.
What drugs does Dr. Cathryn McGill Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Letrozole and Lidocaine-Prilocaine.
Has Dr. Cathryn McGill Johnson received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Johnson from 2 companies from 2020 to 2021. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Cathryn McGill Johnson been practicing?
Dr. Johnson graduated from medical school in 2013, 13 years ago.
Does Dr. Cathryn McGill Johnson do research?
Dmand AI links 6 publications to Dr. Johnson, published from 2015 to 2020.
Who does Dr. Cathryn McGill Johnson publish with?
Dr. Johnson's most frequent co-authors are Henry John Rohrs, MD (5 shared papers), Desmond A. Schatz, MD (5 shared papers) and Janet Silverstein, MD (5 shared papers).
What insurance does Dr. Cathryn McGill Johnson accept?
Dr. Johnson is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to surgical oncology practices?
See surgical oncologists in Florida by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card