ALEXANDER M. RYAN MD – NPI #1255261194
Surgery
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
ALEXANDER RYAN is a surgeon located in TUCSON, AZ. NPPES recently assigned the NPI number 1255261194 to ALEXANDER RYAN on May 21, 2026. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 208600000X from the Health Care Provider Taxonomy code set, which is classified as Surgery.
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NPI Profile for
ALEXANDER M. RYAN
(about 2 weeks ago)
TUCSON, AZ 85724-0001 Phone: (520) 626-9540 Fax:
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A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 208600000X - Surgery (Primary) |
AZ | R82783 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.