Doctor profile · Federal record

Dr. Mason Bias, M.D.

Ophthalmology Physician · Saint Louis, MO

  • NPI 1912982794
  • MIPS 75.0 / 100 · 2023
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12855 N 40 Dr, Suite 260
Saint Louis, MO 631418657
(314) 983-9800
fax (314) 983-9873

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
April 8, 2013
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Missouri #2001001461

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912982794. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
963
Distinct HCPCS
6
Medicare allowed
$191,451
HCPCS Description Services Patients Avg allowed
92136 Measurement of corneal curvature and depth of eye 245 168 $39
66984 Removal of cataract with insertion of prosthetic lens 223 139 $442
99204 New patient office or other outpatient visit, 45-59 minutes 173 173 $162
99214 Established patient office or other outpatient visit, 30-39 minutes 172 159 $123
66821 Removal of recurring cataract in lens capsule using a laser 124 90 $267
92025 Ct scan of cornea 26 25 $32

In context: peer comparison

Among 24 peers in Saint Louis Ophthalmology Physician, average services per provider: 1,413. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $134.83

By nature of payment

Food and Beverage
$135

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,027
Patients
596
Total drug cost
$99,011
Drug Type Claims Patients Total cost
Moxifloxacin (Moxifloxacin Hcl) Brand 371 219 $11,095
Prednisolone Acetate Generic 327 203 $9,475
Prolensa (Bromfenac Sodium) Brand 155 116 $55,254
Latanoprost Generic 53 12 $225
Lotemax Sm (Loteprednol Etabonate) Brand 43 28 $10,807
Besivance (Besifloxacin Hcl) Brand 28 18 $6,512
Timolol Maleate Generic 24 0 $942
Combigan (Brimonidine Tartrate/Timolol) Brand 15 0 $3,301
Travoprost Generic 11 0 $1,399

Frequently asked questions

Auto-generated from federal data
What is Dr. Mason Bias's medical specialty?
Dr. Mason Bias practices Ophthalmology Physician in Saint Louis, MO.
Where does Dr. Mason Bias practice?
Dr. Mason Bias practices at 12855 N 40 Dr, Saint Louis, MO 631418657. Office phone: 3149839800.
What is Dr. Mason Bias's NPI?
Dr. Mason Bias's National Provider Identifier (NPI) is 1912982794, issued by NPPES.
What procedures does Dr. Mason Bias commonly perform?
Top Medicare-reported procedures in 2023: Measurement of corneal curvature and depth of eye (HCPCS 92136); Removal of cataract with insertion of prosthetic lens (HCPCS 66984); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.