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PARIS MONTGOMERY OD
NPI 1134737794
Optometrist in San Mateo, CA

Active since July 20, 2020PECOS Enrolled
194 HILLSDALE SHOPPING CENTER, SAN MATEO, CA 94403(650) 341-8080(650) 341-8565 Get Directions Write a Review

NPPES record last updated: July 16, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 16, 2024, Oct 10, 2020, Jul 22, 2020 (3 updates tracked since 2020).

About Paris Montgomery Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PARIS MONTGOMERY OD (NPI 1134737794) is an individual optometrist in San Mateo, California, licensed in California (34546TLG) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Leandro.

NPPES Registry Identity

NPI1134737794
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NamePARIS MONTGOMERYCredential: OD
Location Address194 HILLSDALE SHOPPING CENTERSan Mateo, CA 94403-3409
Mailing Address194 Hillsdale Shopping CenterSan Mateo, CA 94403-3409 · (650) 341-8080
Phone(650) 341-8080
Fax(650) 341-8565
Sole ProprietorNo
Enumeration DateJuly 20, 2020
Last NPPES UpdateJuly 16, 20243 updates tracked since enumeration
NPPES CertifiedJuly 16, 2024
✔ NPI 1134737794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 34546TLG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
194 HILLSDALE SHOPPING CENTER, San Mateo, CA 94403
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Secondary Practice Location 1

Location 11332 E 14th StSan Leandro, CA 94577-4714 · Phone (510) 614-2020

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Paris Montgomery Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Paris Montgomery reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

William Y. To, O.D., Inc
Same address
Optometrist
194 HILLSDALE SHOPPING CENTER
San Mateo, CA 94403
  • Reassigned Medicare billing, Alaska and California enrollments
  • Medicare enrollment name: William Y To Od Inc
  • 6 clinicians in this Medicare group
NPI 1700448925 (650) 341-8080
Flores Optometry Inc
16 mi
Optometrist
1332 E 14TH ST
San Leandro, CA 94577
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1326365032 (510) 614-2020

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. ERICA NGO O.D.
Optometrist
194 HILLSDALE SHOPPING CENTER
SAN MATEO, CA 94403
San Mateo County (650) 341-8080
WILLIAM Y. TO, O.D., INC
Optometrist
194 HILLSDALE SHOPPING CENTER
SAN MATEO, CA 94403
San Mateo County (650) 341-8080
DR. WILLIAM YUAN TO OD
Optometrist
194 HILLSDALE SHOPPING CENTER
SAN MATEO, CA 94403
San Mateo County (650) 341-8080

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 Paris Montgomery's NPI number?

The NPI number for Paris Montgomery is 1134737794. It was assigned to this individual provider in the NPPES registry on July 20, 2020.

Where is Paris Montgomery located?

Paris Montgomery practices at 194 Hillsdale Shopping Center, San Mateo, CA 94403. The listed phone number is (650) 341-8080.

What is Paris Montgomery's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Paris Montgomery enrolled in Medicare?

Yes. Paris Montgomery is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Paris Montgomery's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paris Montgomery reassigns Medicare benefits to 2 organizations: William Y. To, O.D., Inc (San Mateo, CA) and Flores Optometry Inc (San Leandro, CA). 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 Paris Montgomery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Paris Montgomery was last updated on July 16, 2024. 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.