Greggory Gahn is a Reno, Nevada based Retina Specialist who is specialized in Retina Specialist. Active license number of Greggory Gahn is 23736 for Retina Specialist in Nevada.
Greggory Gahn specializes in the diagnosis and treatment of vitreoretinal diseases. This subspecialty includes the medical and surgical management of retinal and vitreous diseases, including retinal detachment, diabetic retinopathy, macular degeneration, and other disorders of the retina and vitreous.
Complete Profile:
Greggory Gahn speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Retina Specialist |
| Credentials: | MD |
| Gender: | Male |
| Practice Address: | 950 Ryland St, Reno,
Nevada, 89502-1605 |
| Phone: | 757-329-0286 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1720541147 |
| NPI Enumeration Date: | 11 Apr, 2019 |
| NPI Last Update On: | 03 Oct, 2025 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Greggory Gahn are as mentioned below.
| License Number | Specialization | State | Status | |
| 23736 | Retina Specialist | Nevada | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Greggory Gahn such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| CP8528 | Other | Nevada | CP8528 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 655 N Alvernon Way Ste 204,
Tucson, Arizona |
| Zip: | 85711-1825 |
| Phone Number: | 520-626-2010 |
| Fax Number: | 520-626-2042 |
Patients can reach Greggory Gahn at
950 Ryland St, Reno, Nevada or can
call to book an appointment on 757-329-0286.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.