Physician Profile
Based in New Orleans, LA, Andrew A. Johnstone, M.D. is listed in the NPI registry under geriatric medicine. Medicare claims data shows Andrew provided 108 services to 106 patients. The services billed most often include emergency department visit with high level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and emergency department visit with moderate level of medical decision making.
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
2000 CANAL ST # D&T 2ND FL, SUITE 2720
New Orleans, LA 70112
Within Geriatric 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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108 services · 106 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
38 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
47 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Andrew A. Johnstone is a geriatrician in New Orleans, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Geriatric Medicine”.
NPI registry
Andrew A. Johnstone is listed at 2000 Canal St # D&T 2Nd Fl, Suite 2720, New Orleans, LA 70112. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (347) 882-3030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Andrew A. Johnstone's National Provider Identifier is 1235584079. 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
Andrew A. Johnstone has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Andrew A. Johnstone provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, 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 Andrew A. Johnstone. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.