Greggory Gahn, MD in Reno, NV - Medicare Ophthalmology

Greggory Gahn, MD is a medicare enrolled "Ophthalmology - Retina Specialist" physician in Reno, Nevada. His current practice location is 950 Ryland St, Reno, Nevada. You can reach out to his office (for appointments etc.) via phone at (757) 329-0286.

Greggory Gahn is licensed to practice in Nevada (license number 23736) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1720541147.

Contact Information

	Greggory Gahn, MD
	950 Ryland St, Reno, NV 89502-1605
	(757) 329-0286
	Not Available

Map and Direction

Physician's Profile

Full Name	Greggory Gahn
Gender	Male
Speciality	Ophthalmology - Retina Specialist
Location	950 Ryland St, Reno, Nevada
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1720541147
Provider Enumeration Date: 04/11/2019
Last Update Date: 09/02/2025

Medicare PECOS Information:

PECOS PAC ID: 5698000933
Enrollment ID: I20230606002444

Medical Identifiers

Medical identifiers for Greggory Gahn such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1720541147	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207WX0107X	Ophthalmology - Retina Specialist	23736 (Nevada)	Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Greggory Gahn allows following entities to bill medicare on his behalf.

Entity Name	Plecha Durant Stanko Johnson & Cohen A Professional Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1316022551 PECOS PAC ID: 6800873340 Enrollment ID: O20040702000355

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Greggory Gahn is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Greggory Gahn, MD 655 N Alvernon Way Ste 204, Tucson, AZ 85711-1825 Ph: (520) 626-2010	Greggory Gahn, MD 950 Ryland St, Reno, NV 89502-1605 Ph: (757) 329-0286

Reviews and Comments

Ophthalmology Doctors in Reno, NV

David B Chaffin, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 5420 Kietzke Ln, Ste 103, Reno, NV 89511 Phone: 775-329-2300 Fax: 775-329-5514
Geoffrey Cecchi, MD Ophthalmology Medicare: Not Enrolled in Medicare Practice Location: 950 Ryland St, Reno, NV 89502 Phone: 775-329-0286 Fax: 775-329-4243
Elena Geraymovych, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 610 Sierra Rose Dr, Reno, NV 89511 Phone: 775-356-7272 Fax: 775-356-2922
Shane Williamson, M.D. Ophthalmology Medicare: Medicare Enrolled Practice Location: 5053 S Mccarran Blvd, Reno, NV 89502 Phone: 775-853-2000
Mr. Kevin Michael Gamett, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 5510 Reno Corporate Dr, Reno, NV 89511 Phone: 775-622-9078 Fax: 775-622-0696
Spencer Fuller, MD, MPH Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 5449 Reno Corporate Dr Ste 200, Reno, NV 89511 Phone: 775-737-9411 Fax: 775-737-9413
Barbara A Irish, MD Ophthalmology Medicare: Not Enrolled in Medicare Practice Location: 5420 Kietzke Ln, Ste 103, Reno, NV 89511 Phone: 775-329-2300 Fax: 775-329-5514

Greggory Gahn, MD - Medicare Ophthalmology in Reno, NV