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Edit this profileGerard B. Chamberlin, MD practices internal medicine in Mesa, AZ. Gerard is a 2005 graduate of University of Arizona College of Medicine. Gerard is also listed as specializing in pediatrics. According to Medicare claims data, Gerard cared for 2,370 Medicare patients across 4,229 services. 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, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and injection, triamcinolone acetonide, not otherwise specified, 10 mg. The provider's National Provider Identifier (NPI) is 1750503124.
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.
6242 E ARBOR AVE STE 123
Mesa, AZ 85206
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.
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Infectious disease
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Lifestyle health
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Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
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Neurologic and behavioral
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Rheumatologic and pain
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Checkups & exams
Chronic illness
Diagnostics & screening
Environmental health
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Heart & Circulation
Heart & circulation
Heart health
Hospital-based procedures
Imaging referral
Immunizations
Infection & Microbiology Tests
Lifestyle & Prevention
Longevity
Lower endoscopy
Lungs & Breathing
Metabolic & Weight
Metabolic health
Occupational health
Occupational Health
Office Procedures
Preventive and evaluation
Preventive imaging
Preventive screening
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Screening & labs
Screening and diagnostic testing
Screenings & Diagnostics
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Most searched procedures
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Minor procedures
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Preventive & Routine Care
Sexual health
4,229 services · 2,370 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
134 | More than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
51 | As often as other peers in Internal Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
51 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
46 | As often as other peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
46 | More often than most peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
33 | More often than most peers in Internal Medicine |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
282 | More 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 |
1,249 | More than most peers in Internal Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
803 | More than most peers in Internal Medicine |
| Advance care planning, first 30 minutes | Office visit | 99497 |
155 | More 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.
Dr. Chamberlin is an internist in Mesa, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Chamberlin is listed at 6242 E Arbor Ave Ste 123, Mesa, AZ 85206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 930-4600. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chamberlin's National Provider Identifier is 1750503124. 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
Dr. Chamberlin attended University of Arizona College of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chamberlin has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chamberlin provides treatments such as influenza vaccine split virus, preservative free and 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chamberlin. If this is you, claiming it is free.
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