Doctor profile · Federal record

Dr. Tanya Mahaphon, O.D.

Vision Therapy Optometrist (CMS: Optometry) · Napa, CA

  • NPI 1003918012
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2291 Soscol Ave
Napa, CA 945583620
(707) 253-7111
fax (707) 253-7192

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
152WV0400X — NUCC code
State license (1)
California #12138TPA

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003918012. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19
Distinct HCPCS
1
Medicare allowed
$2,285
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 19 19 $120

In context: peer comparison

Among 1 peers in Napa Vision Therapy Optometrist, average services per provider: 19. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$106
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 1 $56.56
Tarsus Pharmaceuticals, INC. 1 $48.99

By nature of payment

Food and Beverage
$106

Frequently asked questions

Auto-generated from federal data
What is Dr. Tanya Mahaphon's medical specialty?
Dr. Tanya Mahaphon practices Vision Therapy Optometrist in Napa, CA.
Where does Dr. Tanya Mahaphon practice?
Dr. Tanya Mahaphon practices at 2291 Soscol Ave, Napa, CA 945583620. Office phone: 7072537111.
What is Dr. Tanya Mahaphon's NPI?
Dr. Tanya Mahaphon's National Provider Identifier (NPI) is 1003918012, issued by NPPES.
Does Dr. Tanya Mahaphon accept Medicare assignment?
Yes. Dr. Tanya Mahaphon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tanya Mahaphon commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.