John B Chastain, MD is a healthcare provider in Tucson, AZ specializing in otolaryngology. John trained at Medical College of Georgia School of Medicine, graduating in 2002. John is also listed as specializing in otolaryngology (ent). Medicare claims data shows John provided 1,869 services to 1,235 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
2121 N CRAYCROFT RD BLDG 5
Tucson, AZ 85712
1,869 services · 1,235 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
156 |
| Removal of impacted ear wax | Procedure | 69210 |
151 |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
133 |
| Ct scan of face without contrast | Imaging | 70486 |
23 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
380 |
| Professional service for multiple injections of allergen | Treatment | 95117 |
181 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
290 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
176 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
142 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
136 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chastain is an otolaryngology in Tucson, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
Dr. Chastain is listed at 2121 N CRAYCROFT RD BLDG 5, Tucson, AZ 85712. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (520) 296-8500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chastain's National Provider Identifier is 1801915715. 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. Chastain attended Medical College of Georgia School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chastain has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chastain performs procedures including diagnostic exam of nasal passages using an endoscope, removal of impacted ear wax and diagnostic exam of voice box using a flexible endoscope; reads or performs imaging such as ct scan of face without contrast; provides treatments such as professional service for preparation and provision of 1 or more antigens and professional service for multiple injections of allergen, 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. Chastain. If this is you, claiming it is free.
Guide.md
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.