Dr. Gregory Scott Canfield, MD, PhD
- Medicare services, 2024
- 464
- Medicare patients, 2024
- 180
- Part D claims, 2019
- 47
- Publications
- 9
- Hospital affiliations
- 4
- Practice address
- 1911 Johnson Ave, San Luis Obispo, CA 93401
- Practice phone
- Call (805) 543-5353
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Canfield's professional email, personal email and mobile number
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Dr. Gregory Scott Canfield is an infectious disease specialist in San Luis Obispo, California
Dr. Canfield practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health.
Dr. Canfield's NPI, 1144632159, was assigned on May 25, 2014. Dr. Canfield graduated from Jacobs School of Medicine and Biomedical Sciences in 2014. Dr. Canfield holds California license A143074.
- NPI
- 1144632159NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426345869
- NPI enumeration date
- May 25, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 543-5353
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Scott Canfield practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California
Dr. Canfield's primary practice is Dignity Health - French Hospital Medical Center, at 1911 Johnson Ave, San Luis Obispo, CA 93401 in San Luis Obispo County. The practice phone is (805) 543-5353.
- Dignity Health - French Hospital Medical Center1911 Johnson Ave, San Luis Obispo, CA 93401 · San Luis Obispo CountyPhone(805) 543-5353
Source: Dmand AI Affiliation Data
Dr. Gregory Scott Canfield is affiliated with 6 sites of care and 2 medical groups
Dr. Canfield's primary practice is Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health. Dr. Canfield is also affiliated with Adventist Health Sierra Vista. The medical group on file is Central Coast Chest Consultants. Dmand AI also links Dr. Canfield to 2 more hospitals, 2 group practices and clinics and 1 medical group, 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. Gregory Scott Canfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Canfield practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - French Hospital Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Scott Canfield is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Canfield's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Canfield is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Canfield's licenses on file in 2 states: California and Colorado.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- Colorado license
Clinical focus
Dmand AI lists pneumonia and respiratory infection and sepsis among the conditions Dr. Canfield treats.
Infectious disease specialists near Dr. Canfield
Counts of infectious disease specialists 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. Gregory Scott Canfield billed Medicare for 464 services in 2024
CMS data shows 464 Medicare services from Dr. Canfield across 6 procedure codes in 2024, for 180 Medicare patients. Medicare paid $58,024 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Canfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3122024: 39426%
- Imaging
- 2023: 202024: 3785%
- Surgery
- 2023: 02024: 33
Dr. Canfield compared with the California median for infectious disease specialists, 2024
- Dr. Canfield
- California median
- Medicare services
- 464vs 4298% above
- Medicare patients
- 180vs 180Close to median
- Part D claims
- 47vs 11961% below
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Canfield'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Canfield and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Scott Canfield treated 180 Medicare patients in 2024, average age 75
CMS counts 180 Medicare patients who saw Dr. Canfield in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.01, 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. Canfield's median patient age at 71, with 39% women.
Dr. Canfield's Medicare patients by age, 2024
Dr. Canfield's Medicare patients by sex, 2024
- Women7743%
- Men10357%
Chronic conditions among Dr. Canfield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure51%
- Atrial fibrillation50%
- Arthritis48%
- Chronic kidney disease46%
- Ischemic heart disease45%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Canfield'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
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Scott Canfield wrote 47 Medicare Part D claims in 2019
In 2019, Dr. Canfield wrote 47 Medicare Part D claims. They cover 4 drugs, with $929 in total drug cost. In 2018, CMS named 333 claims across 17 drugs.
Dr. Canfield's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 3332019: 4786%
Drugs named by CMS: 4 in 2019, 17 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Gregory Scott Canfield takes part in Medicare
Dr. Canfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Scott Canfield has 9 publications on record
Dmand AI links 9 papers to Dr. Canfield in 2020. 2020 was the busiest year, with 2. Dr. Canfield's most frequent co-authors are Carlos E. Franco-Paredes, MD, Sarah C. Mann, MD and Paula Eem Pecen, MD.
Dr. Canfield's most frequent co-authors
- Carlos E. Franco-Paredes, MD3 shared papers
- Sarah C. Mann, MD1 shared paper
- Paula Eem Pecen, MD1 shared paper
Recent publications by Dr. Canfield
See who Dr. Canfield researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Canfield works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Scott Canfield received $61 in industry payments from 2016 to 2023
CMS Open Payments shows 4 general payments to Dr. Canfield from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Insmed, Inc. paid the most, $21.
General payments to Dr. Canfield by program year, 2016 to 2023
Companies that paid Dr. Canfield the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Scott Canfield graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Canfield graduated from Jacobs School of Medicine and Biomedical Sciences in 2014.
- Medical school
- Board certified in critical care medicine
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory Scott Canfield accepts plans from 14 insurance carriers
Dr. Canfield is in network with 14 carriers, including Elevance, 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.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Canfield accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Scott Canfield'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Gregory Scott Canfield
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. Gregory Scott Canfield's NPI number?
Dr. Gregory Scott Canfield's NPI number is 1144632159. It was assigned on May 25, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Scott Canfield?
Dr. Gregory Scott Canfield is an infectious disease specialist in San Luis Obispo, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Gregory Scott Canfield practice?
Dr. Canfield practices at 1911 Johnson Ave, San Luis Obispo, CA 93401. Dr. Canfield's primary practice is Dignity Health - French Hospital Medical Center in San Luis Obispo, California, part of CommonSpirit Health. Dmand AI also links Dr. Canfield to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Gregory Scott Canfield's office phone number?
The practice phone on file for Dr. Canfield is (805) 543-5353.
What is Dr. Gregory Scott Canfield's medical license number?
Dr. Canfield holds California license A143074, one of the licenses on file in 2 states.
Which states has Dr. Gregory Scott Canfield been licensed in?
Dmand AI has state licenses on file for Dr. Canfield in California (2016 to 2026) and Colorado (2019 to 2021).
Which hospitals is Dr. Gregory Scott Canfield affiliated with?
Dr. Canfield practices at Dignity Health - French Hospital Medical Center in San Luis Obispo, California. Dr. Canfield is also affiliated with Adventist Health Sierra Vista. Dmand AI links Dr. Canfield to 2 more hospitals.
What medical group is Dr. Gregory Scott Canfield part of?
Dr. Canfield is linked to Central Coast Chest Consultants. Dmand AI links Dr. Canfield to 1 more medical group.
Does Dr. Gregory Scott Canfield accept Medicare?
Yes. CMS data shows Dr. Canfield billed Medicare for 464 services in 2024, and Dr. Canfield accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Scott Canfield see?
CMS counts 180 Medicare patients who saw Dr. Canfield in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Gregory Scott Canfield board certified?
Yes. Dr. Canfield is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. Gregory Scott Canfield bill to Medicare?
In 2024, Dr. Canfield's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and critical care (99292).
Where did Dr. Gregory Scott Canfield go to medical school?
Dr. Canfield graduated from Jacobs School of Medicine and Biomedical Sciences in 2014.
What drugs does Dr. Gregory Scott Canfield prescribe most?
In 2019 Medicare Part D data, Dr. Canfield's most prescribed drugs by claims were Atorvastatin Calcium, Klor-Con-Ef and Simvastatin.
Has Dr. Gregory Scott Canfield received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Dr. Canfield from 4 companies from 2016 to 2023. The largest total came from Insmed, Inc.
How long has Dr. Gregory Scott Canfield been practicing?
Dr. Canfield graduated from medical school in 2014, 12 years ago.
Does Dr. Gregory Scott Canfield do research?
Dmand AI links 9 publications to Dr. Canfield.
Who does Dr. Gregory Scott Canfield publish with?
Dr. Canfield's most frequent co-authors are Carlos E. Franco-Paredes, MD (3 shared papers), Sarah C. Mann, MD (1 shared paper) and Paula Eem Pecen, MD (1 shared paper).
What insurance does Dr. Gregory Scott Canfield accept?
Dr. Canfield is in network with 14 carriers, including Elevance, 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.
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