Dr. Cascillas Guy, MD
- Medicare services, 2024
- 27
- Medicare patients, 2024
- 47
- Hospital affiliations
- 2
- Medical groups
- 3
- Insurance carriers
- 10
- Practice address
- 3800 Janes Rd, Arcata, CA 95521
- Practice phone
- Call (707) 822-3621
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Guy'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. Cascillas Guy is a general surgeon in Arcata, California
Dr. Guy practices at Mad River Community Hospital in Arcata, California, part of Mad River Community Hospital.
Dr. Guy's NPI, 1215391545, was assigned on April 13, 2016. Dr. Guy graduated from Morehouse School Of Medicine in 2016. Dr. Guy's North Dakota license number on file is PT20370.
- NPI
- 1215391545NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648613398
- NPI enumeration date
- April 13, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 822-3621
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cascillas Guy practices at Mad River Community Hospital in Arcata, California
Dr. Guy's primary practice is Mad River Community Hospital, at 3800 Janes Rd, Arcata, CA 95521 in Humboldt County. The practice phone is (707) 822-3621.
- Mad River Community Hospital3800 Janes Rd, Arcata, CA 95521 · Humboldt CountyPhone(707) 822-3621
Source: Dmand AI Affiliation Data
Dr. Cascillas Guy is affiliated with 2 sites of care and 3 medical groups
Dr. Guy's primary practice is Mad River Community Hospital in Arcata, California, part of Mad River Community Hospital. Dr. Guy is also affiliated with Jamestown Regional Medical Center. The medical group on file is North Pacific Cardiology Medical. Dmand AI also links Dr. Guy to 2 more medical groups, 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. Cascillas Guy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mad River Community Hospital | Available with a free account |
| +1 more site and 2 medical groups | 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 Mad River Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Cascillas Guy is one of 2,926 general surgeons in California
Surgery is Dr. Guy's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Guy's licenses on file in 2 states: North Dakota and California.
Specialties and state licenses
- Surgery, North DakotaPrimary
- California license
General surgeons near Dr. Guy
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. Cascillas Guy billed Medicare for 27 services in 2024
CMS data shows 27 Medicare services from Dr. Guy across 1 procedure code in 2024, all of them office visits, for 47 Medicare patients. Medicare paid $1,295 for them. Every service was in an office.
Dr. Guy compared with the California median for general surgeons, 2024
- Dr. Guy
- California median
- Medicare services
- 27vs 16684% below
- Medicare patients
- 47vs 12161% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Guy'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cascillas Guy treated 47 Medicare patients in 2024, average age 71
CMS counts 47 Medicare patients who saw Dr. Guy in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 57% have high cholesterol. 43% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Guy's median patient age at 62, with 47% women.
Dr. Guy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guy's Medicare patients by sex, 2024
- Women2553%
- Men2247%
Chronic conditions among Dr. Guy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol57%
- Arthritis34%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cascillas Guy ranks in the 65th percentile for colonoscopy in Medicare
Dr. Guy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Guy as offering telehealth. CMS counts 54 procedures of colonoscopy by Dr. Guy, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Guy ranks in Medicare procedure volume
- Colonoscopy
- 65th percentile54 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 57th percentile34 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Cascillas Guy graduated from Morehouse School Of Medicine
Dr. Guy graduated from Morehouse School Of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Cascillas Guy accepts plans from 10 insurance carriers
Dr. Guy is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, Medica and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Medica
- United Healthcare
- Blue Cross Blue Shield of North Dakota
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Guy accepts, by number of carriers
- Medicare8
- PPO8
- HMO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Cascillas Guy'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)Doctors and Clinicians Utilization Data (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. Cascillas Guy
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. Cascillas Guy's NPI number?
Dr. Cascillas Guy's NPI number is 1215391545. It was assigned on April 13, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Cascillas Guy?
Dr. Cascillas Guy is a general surgeon in Arcata, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Cascillas Guy practice?
Dr. Guy practices at 3800 Janes Rd, Arcata, CA 95521. Dr. Guy's primary practice is Mad River Community Hospital in Arcata, California, part of Mad River Community Hospital. Dmand AI also links Dr. Guy to 2 medical groups.
What is Dr. Cascillas Guy's office phone number?
The practice phone on file for Dr. Guy is (707) 822-3621.
What is Dr. Cascillas Guy's medical license number?
Dr. Guy's North Dakota license number on file is PT20370, one of the licenses on file in 2 states.
Which states has Dr. Cascillas Guy been licensed in?
Dmand AI has state licenses on file for Dr. Guy in North Dakota (2024 to 2025) and California (2018 to 2025).
Which hospitals is Dr. Cascillas Guy affiliated with?
Dr. Guy practices at Mad River Community Hospital in Arcata, California. Dr. Guy is also affiliated with Jamestown Regional Medical Center.
What medical group is Dr. Cascillas Guy part of?
Dr. Guy is linked to North Pacific Cardiology Medical. Dmand AI links Dr. Guy to 2 more medical groups.
Does Dr. Cascillas Guy accept Medicare?
Yes. CMS data shows Dr. Guy billed Medicare for 27 services in 2024, and Dr. Guy accepts Medicare assignment.
Does Dr. Cascillas Guy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Guy as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Cascillas Guy see?
CMS counts 47 Medicare patients who saw Dr. Guy in 2024, with an average age of 71.
What services does Dr. Cascillas Guy bill to Medicare?
In 2024, Dr. Guy's most billed Medicare services were office visit, new patient (99202).
Where did Dr. Cascillas Guy go to medical school?
Dr. Guy graduated from Morehouse School Of Medicine in 2016.
How long has Dr. Cascillas Guy been practicing?
Dr. Guy graduated from medical school in 2016, 10 years ago.
What insurance does Dr. Cascillas Guy accept?
Dr. Guy is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, Medica and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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