Monica Regina Guillemin, PA-C
- Part D claims, 2024
- 35
- Affiliated sites
- 1
- Medical groups
- 5
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 4301 Lost Hills Rd, Agoura Hills, CA 91301
- Practice phone
- Call (713) 442-6754
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Laboratory Corporation of America
Agoura Hills, California
Find Monica Guillemin'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.
Monica Regina Guillemin is a physician assistant in Agoura Hills, California
Monica Guillemin practices at Laboratory Corporation of America in Agoura Hills, California.
Monica Guillemin's NPI, 1528184751, was assigned on March 21, 2007. Monica Guillemin holds California license PA12477.
- NPI
- 1528184751NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183633050
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 442-6754
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Monica Regina Guillemin practices at Laboratory Corporation of America in Agoura Hills, California
Monica Guillemin's primary practice is Laboratory Corporation of America, at 4301 Lost Hills Rd, Agoura Hills, CA 91301 in Los Angeles County. The practice phone is (713) 442-6754.
- Laboratory Corporation of America4301 Lost Hills Rd, Agoura Hills, CA 91301 · Los Angeles CountyPhone(713) 442-6754
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Monica Regina Guillemin is affiliated with 2 sites of care and 5 medical groups
Monica Guillemin's primary practice is Laboratory Corporation of America in Agoura Hills, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Monica Guillemin to 4 more medical groups and 1 other site, each named with a free account.
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 Monica Regina Guillemin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Monica Guillemin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Laboratory Corporation of America | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Monica Regina Guillemin is one of 11,482 physician assistants in California
Physician assistant is Monica Guillemin's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Monica Guillemin is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Monica Guillemin
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
Monica Regina Guillemin's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Monica Guillemin's median patient age at 46, with 64% women.
Monica Guillemin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
Monica Regina Guillemin wrote 35 Medicare Part D claims in 2024
In 2024, Monica Guillemin wrote 35 Medicare Part D claims for 22 patients. 91% of them were for generic drugs.
Monica Guillemin's Part D claims by kind of drug, 2024
- Generic32 claims91%
- Brand-name and other3 claims9%
Drug classes CMS tracks in Monica Guillemin's Part D claims, 2024
- Antibiotics43%15 of 35 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Monica Regina Guillemin takes part in Medicare
Monica Guillemin 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)
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.
Sources for Monica Regina Guillemin'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Monica Regina Guillemin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Monica Regina Guillemin's NPI number?
Monica Regina Guillemin's NPI number is 1528184751. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What does Monica Regina Guillemin specialize in?
Monica Regina Guillemin is a physician assistant in Agoura Hills, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Monica Regina Guillemin practice?
Monica Guillemin practices at 4301 Lost Hills Rd, Agoura Hills, CA 91301. Monica Guillemin's primary practice is Laboratory Corporation of America in Agoura Hills, California. Dmand AI also links Monica Guillemin to 4 medical groups and 1 other site.
What is Monica Regina Guillemin's office phone number?
The practice phone on file for Monica Guillemin is (713) 442-6754.
What is Monica Regina Guillemin's medical license number?
Monica Guillemin holds California license PA12477.
What medical group is Monica Regina Guillemin part of?
Monica Guillemin is linked to Southern California Permanente Medical Group. Dmand AI links Monica Guillemin to 4 more medical groups.
Does Monica Regina Guillemin accept Medicare?
Yes. CMS lists Monica Guillemin as accepting Medicare assignment.
How long has Monica Regina Guillemin been practicing?
Monica Guillemin graduated from medical school in 1989, 37 years ago.
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