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Edit this profileBased in Phoenix, AZ, Lisa M. Sumner, MD is listed in the NPI registry under rheumatology. Lisa graduated from Tufts University School of Medicine in 1993. According to Medicare claims data, Lisa cared for 133 Medicare patients across 157 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, telephone medical discussion with physician, 21-30 minutes, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1962512012 identifies this record in the national registry.
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.
4212 N 16TH ST
Phoenix, AZ 85016
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.
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157 services · 133 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
69 | Less often than most peers in Rheumatology |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
48 | More 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 |
40 | As often as other peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Sumner is a rheumatologist in Phoenix, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Dr. Sumner is listed at 4212 N 16Th St, Phoenix, AZ 85016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (602) 263-1200. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Sumner's National Provider Identifier is 1962512012. 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. Sumner attended Tufts University School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Sumner has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Sumner 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 Dr. Sumner. If this is you, claiming it is free.
Guide.md
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