Doctor profile · Federal record

Dr. William Blase, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Specialist · Hemet, CA

  • NPI 1215987086
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2390 E Florida Ave, #207
Hemet, CA 925444707
(951) 652-6100
fax (951) 658-7548

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 8, 2013
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G50680

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215987086. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
286
Distinct HCPCS
8
Medicare allowed
$26,451
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 81 80 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 52 46 $91
92014 Established patient complete exam of visual system 37 37 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 33 33 $131
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $172
92133 Imaging of optic nerve 21 21 $32
68761 Closure of tear duct opening using plug 16 16 $168
92083 Exam of visual field with extended testing 14 14 $57

In context: peer comparison

Among 5 peers in Hemet Ophthalmology Physician, average services per provider: 118. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$115
Transactions
7
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 7 $115.15

By nature of payment

Food and Beverage
$115

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
351
Patients
160
Total drug cost
$15,766
Drug Type Claims Patients Total cost
Latanoprost Generic 180 74 $5,110
Brimonidine Tartrate Generic 43 12 $3,707
Timolol Maleate Generic 31 13 $2,721
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 30 18 $505
Prednisolone Acetate Generic 26 20 $879
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 21 11 $782
Fluorometholone Generic 20 12 $2,062

Frequently asked questions

Auto-generated from federal data
What is Dr. William Blase's medical specialty?
Dr. William Blase practices Ophthalmology Physician in Hemet, CA.
Where does Dr. William Blase practice?
Dr. William Blase practices at 2390 E Florida Ave, Hemet, CA 925444707. Office phone: 9516526100.
What is Dr. William Blase's NPI?
Dr. William Blase's National Provider Identifier (NPI) is 1215987086, issued by NPPES.
Does Dr. William Blase accept Medicare assignment?
Yes. Dr. William Blase accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Blase commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.