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GREGORY L TOM O.D.
NPI 1124245568
Optometrist - Corneal and Contact Management in San Ramon, CA

Active since April 19, 2007PECOS EnrolledAccepts Medicare Assignment
202 ASPENWOOD CT # 1, SAN RAMON, CA 94582(510) 206-8152 Get Directions Write a Review

NPPES record last updated: August 24, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory L Tom O.d. NPPES

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

GREGORY L TOM O.D. (NPI 1124245568) is an individual corneal and contact management provider in San Ramon, California, licensed in California (10427T) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (1994).

NPPES Registry Identity

NPI1124245568
Entity TypeIndividualMale
Primary Taxonomy152WC0802X
Provider Legal NameGREGORY L TOMCredential: O.D.
Location Address202 ASPENWOOD CT # 1San Ramon, CA 94582-5028
Mailing Address202 Aspenwood Ct.San Ramon, CA 94582
Phone(510) 206-8152
Sole ProprietorYes
Medical School CMSUniversity Of California - School Of OptometryGraduated 1994
Enumeration DateApril 19, 2007
Last NPPES UpdateAugust 24, 2009
✔ NPI 1124245568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyOptometrist · Corneal and Contact ManagementEye and Vision Services Providers
Taxonomy Code152WC0802X
License✔ Licensed in CA · 10427T
Definition
The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.
Also ListedOptometrist · Low Vision RehabilitationTaxonomy 152WL0500X · License 10427T (CA)
Also ListedOptometrist · PediatricsTaxonomy 152WP0200X · License 10427T (CA)
Also ListedOptometrist · Sports VisionTaxonomy 152WS0006X · License 10427T (CA)
Also ListedOptometrist · Vision TherapyTaxonomy 152WV0400X · License 10427T (CA)
202 ASPENWOOD CT # 1, San Ramon, CA 94582
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory L Tom 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.

PECOS PAC ID4082691266
PECOS Enrollment IDI20150730011161
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.

Areas of Expertise CMS Part B claims 9

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 problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
395 services124 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
84 services49 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
67 services43 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
64 services41 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
56 services55 patients
Exam of the internal drainage system of eye 92020
This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.
42 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94582 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.

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 Gregory Tom's NPI number?

The NPI number for Gregory Tom is 1124245568. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Where is Gregory Tom located?

Gregory Tom practices at 202 Aspenwood Ct # 1, San Ramon, CA 94582. The listed phone number is (510) 206-8152.

What is Gregory Tom's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Corneal and Contact Management, with taxonomy code 152WC0802X.

Is Gregory Tom enrolled in Medicare?

Yes. Gregory Tom 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.

What insurance does Gregory Tom accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Gregory Tom 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 Gregory Tom was last updated on August 24, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.