Guillemette Calderwood
- Hospital affiliations
- 2
- Industry payments
- $19
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 1400 E Church St, Santa Maria, CA 93454
- Practice phone
- Call (805) 739-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Guillemette Calderwood'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.
Guillemette Calderwood is a physician assistant in Santa Maria, California
Guillemette Calderwood practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health.
Guillemette Calderwood's NPI, 1023848165, was assigned on August 5, 2024. Guillemette Calderwood holds California license PA64780.
- NPI
- 1023848165NPI Registry (opens in a new tab)
- NPI enumeration date
- August 5, 2024
- NPI status
- Active
- Practice phone
- (805) 739-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Guillemette Calderwood practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California
Guillemette Calderwood's primary practice is Dignity Health - Marian Regional Medical Center, at 1400 E Church St, Santa Maria, CA 93454 in Santa Barbara County. The practice phone is (805) 739-3100.
- Dignity Health - Marian Regional Medical Center1400 E Church St, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 739-3100
Source: Dmand AI Affiliation Data
Guillemette Calderwood is affiliated with 2 sites of care
Guillemette Calderwood's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dmand AI also links Guillemette Calderwood to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Guillemette Calderwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Guillemette Calderwood practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Marian Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Guillemette Calderwood is one of 2,381 physician assistants in California
Medical is Guillemette Calderwood's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Guillemette Calderwood is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Guillemette Calderwood
Counts of physician assistants 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
Guillemette Calderwood's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Guillemette Calderwood's median patient age at 12, with 54% women.
Guillemette Calderwood's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Guillemette Calderwood received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Guillemette Calderwood from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Verrica Pharmaceuticals Inc. paid the most, $19.
Companies that paid Guillemette Calderwood the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Guillemette Calderwood'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Guillemette Calderwood
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Guillemette Calderwood's NPI number?
Guillemette Calderwood's NPI number is 1023848165. It was assigned on August 5, 2024, and it is active in the NPI Registry.
What does Guillemette Calderwood specialize in?
Guillemette Calderwood is a physician assistant in Santa Maria, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Guillemette Calderwood practice?
Guillemette Calderwood practices at 1400 E Church St, Santa Maria, CA 93454. Guillemette Calderwood's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dmand AI also links Guillemette Calderwood to 1 hospital.
What is Guillemette Calderwood's office phone number?
The practice phone on file for Guillemette Calderwood is (805) 739-3100.
What is Guillemette Calderwood's medical license number?
Guillemette Calderwood holds California license PA64780.
Which hospitals is Guillemette Calderwood affiliated with?
Guillemette Calderwood practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California. Dmand AI links Guillemette Calderwood to 1 more hospital.
Has Guillemette Calderwood received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Guillemette Calderwood from 1 company from 2025 to 2025. The largest total came from Verrica Pharmaceuticals Inc.
How long has Guillemette Calderwood been practicing?
Guillemette Calderwood's NPI was assigned in 2024.
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