JUSTINE BLUMENSTOCK OD
NPI 1922737113
Optometrist in San Diego, CA
About Justine Blumenstock Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTINE BLUMENSTOCK OD (NPI 1922737113) is an individual optometrist in San Diego, California, licensed in California (OPT35591-TLG) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2022).
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
Justine Blumenstock Od 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
2Medicare enrollment records show Justine Blumenstock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92119
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Lincoln, NE 68512
- Reassigned Medicare billing, Nebraska enrollment
- 3 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92119 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
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 Justine Blumenstock's NPI number?
The NPI number for Justine Blumenstock is 1922737113. It was assigned to this individual provider in the NPPES registry on June 6, 2022.
Where is Justine Blumenstock located?
Justine Blumenstock practices at 8312 Lake Murray Blvd Ste C, San Diego, CA 92119. The listed phone number is (619) 464-2076.
What is Justine Blumenstock's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Justine Blumenstock enrolled in Medicare?
Yes. Justine Blumenstock 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 Justine Blumenstock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justine Blumenstock reassigns Medicare benefits to 2 organizations: Robert Gonzalez Od Inc (San Diego, CA) and Bradley J Blumenstock Od, PC (Lincoln, NE). 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 Justine Blumenstock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justine Blumenstock accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Anthem Blue Cross and Blue Shield and Blue Cross Blue Shield of Wyoming and 14 other insurers list Justine Blumenstock 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 Justine Blumenstock was last updated on November 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Justine Blumenstock, OD · NPI 1922737113
Optometrist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since June 6, 2022.
## Identity
- **NPI:** 1922737113 (Entity type: Individual)
- **Enumerated:** June 6, 2022
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT35591-TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8312 LAKE MURRAY BLVD STE C, San Diego, CA 92119-3435
- **Phone:** (619) 464-2076
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Robert Gonzalez Od Inc (NPI 1346673795, San Diego, CA); Bradley J Blumenstock Od, PC (NPI 1962906537, Lincoln, NE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Houston - College Of Optometry, class of 2022
## Record status
- **NPPES last updated:** November 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1922737113) · Data from the CMS NPPES public registry.