Doctor profile · Federal record

Dr. Lisa Hwang, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Lancaster, CA

  • NPI 1932376159
  • Accepts Medicare
  • MIPS 98.5 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
43112 15Th St W
Lancaster, CA 935346219
(646) 872-8649
Mailing address
1966 Alpha St
South Pasadena, CA 910304219

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
November 20, 2009
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A104598

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932376159. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,059
Distinct HCPCS
10
Medicare allowed
$248,339
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 745 664 $137
92004 New patient complete exam of visual system 370 370 $161
68761 Closure of tear duct opening using plug 313 47 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 293 154 $99
92083 Exam of visual field with extended testing 80 77 $72
92133 Imaging of optic nerve 73 71 $38
92134 Imaging of retina 65 61 $45
92136 Measurement of corneal curvature and depth of eye 33 19 $27
92012 Established patient problem focused exam of visual system 30 24 $102
92014 Established patient complete exam of visual system 25 25 $79

In context: peer comparison

Among 2 peers in this city , average services per provider: 145. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$788
Transactions
29
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 12 $197.28
Oyster Point Pharma, Inc. 8 $175.49
Bausch & Lomb Americas Inc. 3 $165.18
SUN PHARMACEUTICAL INDUSTRIES INC. 1 $120.85
Dompe US, Inc. 2 $64.72
Mallinckrodt Hospital Products Inc. 1 $30.76
Tarsus Pharmaceuticals, Inc. 1 $18.58
MERZ NORTH AMERICA, INC. 1 $15.30

By nature of payment

Food and Beverage
$788

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,020
Patients
331
Total drug cost
$136,033
Drug Type Claims Patients Total cost
Latanoprost Generic 290 74 $4,212
Timolol Maleate Generic 150 47 $6,739
Lumigan (Bimatoprost) Brand 89 27 $39,144
Prednisolone Acetate Generic 65 49 $2,127
Ofloxacin Generic 56 48 $755
Alphagan P (Brimonidine Tartrate) Brand 50 17 $14,552
Brimonidine Tartrate Generic 49 17 $5,282
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 44 13 $787
Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) Brand 36 0 $7,224
Cromolyn Sodium Generic 35 15 $474

Frequently asked questions

Auto-generated from federal data
What is Dr. Lisa Hwang's medical specialty?
Dr. Lisa Hwang practices Ophthalmology Physician in Lancaster, CA.
Where does Dr. Lisa Hwang practice?
Dr. Lisa Hwang practices at 43112 15Th St W, Lancaster, CA 935346219. Office phone: 6468728649.
What is Dr. Lisa Hwang's NPI?
Dr. Lisa Hwang's National Provider Identifier (NPI) is 1932376159, issued by NPPES.
Does Dr. Lisa Hwang accept Medicare assignment?
Yes. Dr. Lisa Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lisa Hwang commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004); Closure of tear duct opening using plug (HCPCS 68761). Source: CMS Medicare Physician & Other Practitioners file.