Are you Larissa Chartrand, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 4520 Business Center Drive, 200, Fairfield, CA 94534
About Dr. Chartrand
Based in Fairfield, CA, Larissa Chartrand, M.D. is listed in the NPI registry under internal medicine. Medicare claims data shows Larissa provided 835 services to 452 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1851715627 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (707) 646-5500
- Email not available
Practice Locations
4520 BUSINESS CENTER DRIVE 200
Fairfield, CA 94534
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
835 services · 452 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
36 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
467 | More often than most peers in Internal Medicine |
| Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes | Office visit | 99421 |
101 | More than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
67 | As often as other peers in Internal Medicine |
| Face-to-face behavioral counseling for obesity, 15 minutes | Billing code | G0447 |
53 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
47 | As often as other peers in Internal Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
20 | As often as other peers in Internal Medicine |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
19 | Less often than most peers in Internal Medicine |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
14 | Less often than most peers in Internal Medicine |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Billing code | G0438 |
11 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internists in Fairfield 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Larissa Chartrand specialize in?
Larissa Chartrand is an internist in Fairfield, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Larissa Chartrand located?
Larissa Chartrand is listed at 4520 Business Center Drive 200, Fairfield, CA 94534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Larissa Chartrand's phone number?
The number on file is (707) 646-5500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Larissa Chartrand?
Larissa Chartrand's National Provider Identifier is 1851715627. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Larissa Chartrand train?
Larissa Chartrand attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Larissa Chartrand have?
Larissa Chartrand has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Larissa Chartrand do most often?
According to Medicare billing data, Larissa Chartrand provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Larissa Chartrand's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Larissa Chartrand. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.