CHARLES PEGUY GUILLAUME PMHNP
NPI 1114322419
Nurse Practitioner - Psychiatric/Mental Health in Snellville, GA

Active since October 29, 2014PECOS EnrolledAccepts Medicare Assignment
3991 HIGHWAY 78 W STE 203, SNELLVILLE, GA 30039(770) 978-9393(770) 978-9324 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 3, 2021, Oct 12, 2021, Jan 6, 2020 and 1 more (4 updates tracked since 2016).

About Charles Peguy Guillaume Pmhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES PEGUY GUILLAUME PMHNP (NPI 1114322419) is an individual psychiatric/mental health provider in Snellville, Georgia, licensed in Georgia (APRN-NP180218) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1114322419
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameCHARLES PEGUY GUILLAUMECredential: PMHNP
Location Address3991 HIGHWAY 78 W STE 203Snellville, GA 30039-3929
Mailing Address3991 Highway 78 W Ste 203Snellville, GA 30039-3929 · (770) 978-9393 · Fax (770) 978-9324
Fax(770) 978-9324
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateOctober 29, 2014
Last NPPES UpdateOctober 23, 20254 updates tracked since enumeration
NPPES CertifiedOctober 23, 2025
NPI 1114322419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in GA · APRN-NP180218
Also ListedRegistered NurseTaxonomy 163W00000X · License RN180218 (GA)
3991 HIGHWAY 78 W STE 203, Snellville, GA 30039

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Charles Peguy Guillaume Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981996378
PECOS Enrollment IDI20160705001421
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
223 services65 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
215 services64 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30039 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Psychiatry & Neurology (Psychiatry)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Nurse Practitioner (Psychiatric/Mental Health)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Nurse Practitioner (Psychiatric/Mental Health)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Counselor (Professional)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Counselor (Professional)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Psychologist (Clinical)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039
Psychiatry & Neurology (Psychiatry)
3991 HIGHWAY 78 W STE 203
SNELLVILLE, GA 30039

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Guillaume's NPI number?

The NPI number for Charles Guillaume is 1114322419. It was assigned to this individual provider in the NPPES registry on October 29, 2014.

Where is Charles Guillaume located?

Charles Guillaume practices at 3991 Highway 78 W Ste 203, Snellville, GA 30039. The listed phone number is (770) 978-9393.

What is Charles Guillaume's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Charles Guillaume enrolled in Medicare?

Yes. Charles Guillaume is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Charles Guillaume was last updated on October 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.