DR. LILY MAC O.D.
NPI 1508022021
Optometrist in Pinole, CA
About Dr. Lily Mac O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LILY MAC O.D. (NPI 1508022021) is an individual optometrist in Pinole, California, licensed in California (OPT 13519) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2008).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Lily Mac 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 Reassignment
Medicare enrollment records show Lily Mac reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: Mass Optometric Associates, PLLC
- 98 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 2
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 94564 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Lily Mac's NPI number?
The NPI number for Lily Mac is 1508022021. It was assigned to this individual provider in the NPPES registry on August 4, 2008.
Where is Lily Mac located?
Lily Mac practices at 1450 Tara Hills Dr Ste D, Pinole, CA 94564. The listed phone number is (626) 282-2567.
What is Lily Mac's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Lily Mac enrolled in Medicare?
Yes. Lily Mac 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 organization bills Medicare for Lily Mac's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lily Mac reassigns Medicare benefits to Mass Optometric Associates, P. C. (Watertown, MA). The 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 Lily Mac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lily Mac accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 2 other insurers list Lily Mac 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 Lily Mac was last updated on February 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.