Physician Profile
Janine J. Chamberlin, M.D. practices family practice in Brea, CA. Janine is a 2004 graduate of Loyola University of Chicago, Stritch School of Medicine. Janine is also listed as specializing in family medicine. According to Medicare claims data, Janine cared for 385 Medicare patients across 492 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. The provider's National Provider Identifier (NPI) is 1225210016.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
380 W CENTRAL AVE STE 400
Brea, CA 92821
1325 N Rose Dr Ste 100
Placentia, CA 92870
Within Family 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.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
492 services · 385 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
30 | As often as other peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
12 | Less often than most peers in Family Practice |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
12 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
213 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
101 | As often as other peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
51 | As often as other peers in Family Practice |
| Administration of influenza virus vaccine | Billing code | G0008 |
33 | As often as other peers in Family Practice |
| Urinalysis, manual test | Lab test | 81002 |
16 | Less often than most peers in Family Practice |
| Administration of pneumococcal vaccine | Billing code | G0009 |
12 | Less often than most peers in Family Practice |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 | Less often than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Janine J. Chamberlin is a family practice in Brea, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Janine J. Chamberlin is listed at 380 W Central Ave Ste 400, Brea, CA 92821. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 203-1799. Contact the office directly to confirm availability and scheduling.
NPI registry
Janine J. Chamberlin's National Provider Identifier is 1225210016. 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
Janine J. Chamberlin attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Janine J. Chamberlin has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Janine J. Chamberlin provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Janine J. Chamberlin. If this is you, claiming it is free.
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