Doctor profile · Federal record

Dr. Charles Johnson

Optometrist (CMS: Optometry) · Portland, ME

  • NPI 1811553845
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
595 Brighton Ave
Portland, ME 041022322
(207) 210-6700
fax (207) 899-3239

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
June 27, 2019
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Maine #OPT1009

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811553845. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
136
Distinct HCPCS
4
Medicare allowed
$13,199
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 67 67 $125
92250 Photography of the retina 42 42 $37
92004 New patient complete exam of visual system 16 16 $148
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $79

In context: peer comparison

Among 3 peers in Portland Optometrist, average services per provider: 172. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
0
Total drug cost
$816
Drug Type Claims Patients Total cost
Latanoprost Generic 32 0 $611
Brimonidine Tartrate Generic 16 0 $100
Timolol Maleate Generic 14 0 $106

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Johnson's medical specialty?
Dr. Charles Johnson practices Optometrist in Portland, ME.
Where does Dr. Charles Johnson practice?
Dr. Charles Johnson practices at 595 Brighton Ave, Portland, ME 041022322. Office phone: 2072106700.
What is Dr. Charles Johnson's NPI?
Dr. Charles Johnson's National Provider Identifier (NPI) is 1811553845, issued by NPPES.
Does Dr. Charles Johnson accept Medicare assignment?
Yes. Dr. Charles Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Johnson commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.