Doctor profile · Federal record

Dr. Hanna Shammas, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Lynwood, CA

  • NPI 1770698854
  • Accepts Medicare
  • MIPS 90.9 / 100 · 2023
  • 54 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3510 Martin Luther King JR Blvd
Lynwood, CA 902622010
(310) 638-9391
fax (310) 603-8749

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 5, 2007
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A30800
Medicaid
CA #00A308000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770698854. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
698
Distinct HCPCS
7
Medicare allowed
$69,048
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 272 216 $42
92014 Established patient complete exam of visual system 258 177 $141
99213 Established patient office or other outpatient visit, 20-29 minutes 49 31 $89
99204 New patient office or other outpatient visit, 45-59 minutes 43 43 $180
92133 Imaging of optic nerve 31 31 $41
92134 Imaging of retina 25 24 $45
66821 Removal of recurring cataract in lens capsule using a laser 20 16 $337

In context: peer comparison

Among 1 peers in Lynwood Ophthalmology Physician, average services per provider: 99. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,916
Transactions
21
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Topcon Corporation 1 $3,780.00
Haag-Streit USA, INC. 1 $3,390.00
Alcon Vision LLC 7 $247.61
Amgen INC. 8 $205.51
Carl Zeiss Meditec USA, INC. 2 $167.73
Tarsus Pharmaceuticals, INC. 2 $125.17

By nature of payment

Royalty or License
$7,170
Food and Beverage
$732
Travel and Lodging
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,276
Patients
568
Total drug cost
$134,118
Drug Type Claims Patients Total cost
Latanoprost Generic 1,308 303 $26,826
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 345 95 $10,928
Brimonidine Tartrate Generic 125 32 $1,920
Timolol Maleate Generic 106 33 $2,384
Lumigan (Bimatoprost) Brand 76 18 $37,109
Prednisolone Acetate Generic 59 22 $2,214
Restasis (Cyclosporine) Brand 38 0 $26,914
Dorzolamide Hcl Generic 36 11 $699
Levobunolol Hcl Generic 34 0 $694
Alphagan P (Brimonidine Tartrate) Brand 32 0 $14,233

Frequently asked questions

Auto-generated from federal data
What is Dr. Hanna Shammas's medical specialty?
Dr. Hanna Shammas practices Ophthalmology Physician in Lynwood, CA.
Where does Dr. Hanna Shammas practice?
Dr. Hanna Shammas practices at 3510 Martin Luther King JR Blvd, Lynwood, CA 902622010. Office phone: 3106389391.
What is Dr. Hanna Shammas's NPI?
Dr. Hanna Shammas's National Provider Identifier (NPI) is 1770698854, issued by NPPES.
Does Dr. Hanna Shammas accept Medicare assignment?
Yes. Dr. Hanna Shammas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hanna Shammas commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.