National Provider Identifier Database

COLLIN D JOHNSTON, DO – NPI #1225272289
Phlebology

Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous thromboembolism and other disorders of venous origin. A phlebologist has attained a minimum of 50 hours of CME units in phlebology-related courses, and is knowledgeable of and trained in a variety of diagnostic techniques including physical examination, venous imaging techniques such as duplex ultrasound, CT and MR, plethysmographic techniques and laboratory evaluation related to venous thromboembolism. The phlebologist is also trained in a variety of therapeutic interventions, which may include compression, sclerotherapy, cutaneous vascular laser, endovenous thermoablation procedures (laser and radiofrequency) endovenous chemical ablation, surgical procedures (e.g., ambulatory phlebectomy, venous ligation), vasoactive medications and the management of venous thromboembolism.


Contact Information

COLLIN D JOHNSTON, DO
1520 S DOBSON RD STE 202
MESA, AZ85202-4726
Phone: 480-725-7241
Fax:
Website:
Specialty Taxonomy Code
* Phlebology 202K00000X
Family Medicine 207Q00000X
Vascular Surgery 2086S0129X

* Indicates primary specialty

NPI Profile & details for COLLIN D JOHNSTON

NPI Number 1225272289
Credentials DO (Doctor of Osteopathic)
Entity Individual
Enumeration date 04/21/2009
Last updated 02/27/2025 - More than a year ago
Sole proprietor1 No
Identifiers
  • AZ License #: 011209
  • AZ License #: 928
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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