Are you David T. Armstrong, D.O.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileDavid T. Armstrong, D.O. is a healthcare provider in Louisville, KY specializing in rheumatology. David is also listed as specializing in internal medicine. Medicare claims data shows David provided 36 services to 36 patients. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1487852349.
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.
401 E CHESTNUT ST UNIT 310
Louisville, KY 40202
Within Rheumatology 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
Autoimmune
Bone
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Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
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Spine & Back
Vascular
Most searched procedures
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36 services · 36 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
14 | Less often than most peers in Rheumatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
11 | Less often than most peers in Rheumatology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | Less often than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
David T. Armstrong is a rheumatologist in Louisville, KY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
David T. Armstrong is listed at 401 E Chestnut St Unit 310, Louisville, KY 40202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (502) 588-4600. Contact the office directly to confirm availability and scheduling.
NPI registry
David T. Armstrong's National Provider Identifier is 1487852349. 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
David T. Armstrong has 19+ years experience. Registered with an NPI since 2007. 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, David T. Armstrong the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 David T. Armstrong. If this is you, claiming it is free.
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