MARY MCMAINS O.D.
NPI 1770622045
Optometrist in Reno, NV
About Mary Mcmains O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY MCMAINS O.D. (NPI 1770622045) is an individual optometrist in Reno, Nevada, licensed in Nevada (1055) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Pacific University - College Of Optometry (2000).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Mcmains O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
15Medicare enrollment records show Mary Mcmains reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Reno, NV 89509
- Reassigned Medicare billing, Nevada enrollment
- 21 clinicians in this Medicare group
Monterey, CA 93940
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 63 clinicians in this Medicare group
Las Vegas, NV 89108
- Reassigned Medicare billing, Nevada enrollment
- 75 clinicians in this Medicare group
Phoenix, AZ 85086
- Reassigned Medicare billing, Arizona enrollment
- 82 clinicians in this Medicare group
Tempe, AZ 85288
- Reassigned Medicare billing, Arizona enrollment
- 139 clinicians in this Medicare group
Amarillo, TX 79119
- Reassigned Medicare billing, Texas enrollment
- 396 clinicians in this Medicare group
Early, TX 76802
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Brownwood Optometrists PC
- 54 clinicians in this Medicare group
Kerrville, TX 78028
- Reassigned Medicare billing, Texas enrollment
- 404 clinicians in this Medicare group
Perry, IA 50220
- Reassigned Medicare billing, Iowa enrollment
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89509 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Mcmains's NPI number?
The NPI number for Mary Mcmains is 1770622045. It was assigned to this individual provider in the NPPES registry on February 5, 2007. The provider is also known as Mary Beck O.D..
Where is Mary Mcmains located?
Mary Mcmains practices at 535 S Arlington Ave, Reno, NV 89509. The listed phone number is (775) 323-0157.
What is Mary Mcmains's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Mary Mcmains enrolled in Medicare?
Yes. Mary Mcmains is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mary Mcmains's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mcmains reassigns Medicare benefits to 15 organizations: Michelle Wong Optometry PC (Reno, NV), Eyemd On Cass A Professional Corporation (Monterey, CA), Kopolow & Girisgen Professional Corporation (Las Vegas, NV), Girisgen & Kopolow Od, PC (Las Vegas, NV), Myeyedr Optometry Of Washington, PLLC (Phoenix, AZ) and 10 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Mcmains's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Mcmains accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 21 other insurers list Mary Mcmains as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Mcmains was last updated on September 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Mcmains, O.D. · NPI 1770622045
Optometrist provider in Reno, Nevada. Individual provider, active in the CMS NPPES registry since February 5, 2007.
## Identity
- **NPI:** 1770622045 (Entity type: Individual)
- **Enumerated:** February 5, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 1055 (Nevada)
- **Sole proprietor:** No
## Practice location
- **Address:** 535 S ARLINGTON AVE, Reno, NV 89509-1504
- **Phone:** (775) 323-0157
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 15 organizations under Medicare reassignment (form CMS-855R): Michelle Wong Optometry PC (NPI 1821705385, Reno, NV); Eyemd On Cass A Professional Corporation (NPI 1205095742, Monterey, CA); Kopolow & Girisgen Professional Corporation (NPI 1518904622, Las Vegas, NV); Girisgen & Kopolow Od, PC (NPI 1841523164, Las Vegas, NV); Myeyedr Optometry Of Washington, PLLC (NPI 1053156729, Phoenix, AZ); and 10 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pacific University - College Of Optometry, class of 2000
## Record status
- **NPPES last updated:** September 30, 2023
- **Other identifiers:** Other 119076 (IA); Other 1055 (NV); Other 197606 (AK); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1770622045) · Data from the CMS NPPES public registry.