LAWRENCE JOSEPH SIEVE III O.D.
NPI 1225443732
Optometrist in Santa Ana, CA
About Lawrence Joseph Sieve Iii O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE JOSEPH SIEVE III O.D. (NPI 1225443732) is an individual optometrist in Santa Ana, California, licensed in Kansas (1990) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (2014).
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
Lawrence Joseph Sieve Iii 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 Lawrence Sieve reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 19 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 92701 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ANA, CA 92701
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 Lawrence Sieve's NPI number?
The NPI number for Lawrence Sieve is 1225443732. It was assigned to this individual provider in the NPPES registry on June 23, 2014.
Where is Lawrence Sieve located?
Lawrence Sieve practices at 1206 E 17th St Ste 101, Santa Ana, CA 92701. The listed phone number is (714) 352-2911.
What is Lawrence Sieve's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Lawrence Sieve enrolled in Medicare?
Yes. Lawrence Sieve 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 Lawrence Sieve's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Sieve reassigns Medicare benefits to Serve The People, Inc (Santa Ana, CA). 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 Lawrence Sieve's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lawrence Sieve accept?
Health plans from Anthem Blue Cross and Blue Shield list Lawrence Sieve 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 Lawrence Sieve was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Lawrence Joseph Sieve III, O.D. · NPI 1225443732
Optometrist provider in Santa Ana, California. Individual provider, active in the CMS NPPES registry since June 23, 2014.
## Identity
- **NPI:** 1225443732 (Entity type: Individual)
- **Enumerated:** June 23, 2014
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 1990 (Kansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1206 E 17TH ST STE 101, Santa Ana, CA 92701-2641
- **Phone:** (714) 352-2911 · **Fax:** (714) 352-2903
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Serve The People, Inc (NPI 1770803462, Santa Ana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Houston - College Of Optometry, class of 2014
## Record status
- **NPPES last updated:** May 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1225443732) · Data from the CMS NPPES public registry.