DR. TANYA K MAHAPHON O.D.
NPI 1003918012
Optometrist - Vision Therapy in Napa, CA

Active since September 01, 2006PECOS EnrolledAccepts Medicare Assignment
2291 SOSCOL AVE, NAPA, CA 94558(707) 253-7111(707) 253-7192 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Tanya K Mahaphon O.d. NPPES

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

DR. TANYA K MAHAPHON O.D. (NPI 1003918012) is an individual vision therapy provider in Napa, California, licensed in California (12138TPA) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Pacific University - College Of Optometry (1998).

NPPES Registry Identity

NPI1003918012
Entity TypeIndividualFemale
Primary Taxonomy152WV0400X
Provider Legal NameDR. TANYA K MAHAPHONCredential: O.D.
Location Address2291 SOSCOL AVENapa, CA 94558-3620
Mailing Address2291 Soscol AveNapa, CA 94558-3620 · (707) 253-7111 · Fax (707) 253-7192
Fax(707) 253-7192
Sole ProprietorNo
Medical School CMSPacific University - College Of OptometryGraduated 1998
Enumeration DateSeptember 1, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1003918012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometrist · Vision TherapyEye and Vision Services Providers
Taxonomy Code152WV0400X
License Licensed in CA · 12138TPA
Definition

Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.

2291 SOSCOL AVE, Napa, CA 94558

Other Identifiers 1

Medicare UPINU81288FL

Accepted 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

Dr. Tanya K Mahaphon 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 ID9830198886
PECOS Enrollment IDI20061220000394
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

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 complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94558 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
$145.99 typical visit price
range $65.08 – $192.16
Typical copayment $36.49 (range $16.27 – $48.04)
Most-billed visit code 99204
Established Patient
$80.32 typical visit price
range $21.86 – $157.83
Typical copayment $20.08 (range $5.46 – $39.45)
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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (General Practice)
2291 SOSCOL AVE
NAPA, CA 94558
Dentist (General Practice)
2291 SOSCOL AVE
NAPA, CA 94558
Optometrist (Vision Therapy)
2291 SOSCOL AVE, SUITE B
NAPA, CA 94558
Dental Hygienist
2291 SOSCOL AVE
NAPA, CA 94558
Dental Hygienist
2291 SOSCOL AVE
NAPA, CA 94558

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 Tanya Mahaphon's NPI number?

The NPI number for Tanya Mahaphon is 1003918012. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Where is Tanya Mahaphon located?

Tanya Mahaphon practices at 2291 Soscol Ave, Napa, CA 94558. The listed phone number is (707) 253-7111.

What is Tanya Mahaphon's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Vision Therapy, with taxonomy code 152WV0400X.

Is Tanya Mahaphon enrolled in Medicare?

Yes. Tanya Mahaphon 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 Tanya Mahaphon accept?

Health plans from Providence Health Plan list Tanya Mahaphon 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 Tanya Mahaphon was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.