Doctor profile · Federal record

Dr. Leon Partamian, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Ventura, CA

  • NPI 1700808904
  • Accepts Medicare
  • MIPS 83.8 / 100 · 2023
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3085 Loma Vista RD
Ventura, CA 930032999
(805) 648-3085
Mailing address
Po Box 103010
Pasadena, CA 911890147

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 8, 2022
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #C40265

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700808904. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,716
Distinct HCPCS
9
Medicare allowed
$132,704
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 469 252 $100
92250 Photography of the retina 283 276 $41
92014 Established patient complete exam of visual system 270 264 $140
92020 Exam of the internal drainage system of eye 248 239 $30
92083 Exam of visual field with extended testing 174 163 $70
76514 Ultrasound scan of cornea to determine thickness 153 153 $12
92133 Imaging of optic nerve 67 67 $40
92004 New patient complete exam of visual system 28 28 $166
66761 Creation of eye fluid drainage tracts in iris using a laser, per session 24 14 $330

In context: peer comparison

Among 7 peers in this city , average services per provider: 491. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$435
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 7 $165.40
Alcon Vision LLC 2 $144.64
Bausch & Lomb Americas Inc. 1 $125.00

By nature of payment

Food and Beverage
$435

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,300
Patients
590
Total drug cost
$180,774
Drug Type Claims Patients Total cost
Latanoprost Generic 399 177 $10,646
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 190 83 $7,441
Brimonidine Tartrate Generic 148 73 $13,979
Dorzolamide Hcl Generic 127 64 $4,104
Timolol Maleate Generic 81 41 $2,394
Prednisolone Acetate Generic 78 57 $3,300
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 44 17 $26,711
Lumigan (Bimatoprost) Brand 40 21 $21,948
Rhopressa (Netarsudil Mesylate) Brand 40 23 $24,467
Combigan (Brimonidine Tartrate/Timolol) Brand 34 0 $15,900

Frequently asked questions

Auto-generated from federal data
What is Dr. Leon Partamian's medical specialty?
Dr. Leon Partamian practices Ophthalmology Physician in Ventura, CA.
Where does Dr. Leon Partamian practice?
Dr. Leon Partamian practices at 3085 Loma Vista RD, Ventura, CA 930032999. Office phone: 8056483085.
What is Dr. Leon Partamian's NPI?
Dr. Leon Partamian's National Provider Identifier (NPI) is 1700808904, issued by NPPES.
Does Dr. Leon Partamian accept Medicare assignment?
Yes. Dr. Leon Partamian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leon Partamian commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.