Doctor profile · Federal record

Dr. Charles Radis, DO

Specialist (CMS: Rheumatology) · Portland, ME

  • NPI 1235122094
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
51 Sewall St
Portland, ME 041022643
(207) 774-5761
fax (207) 874-7478

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
August 26, 2010
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Maine #1041
Medicaid
ME #115940199

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235122094. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
2
Medicare allowed
$9,806
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 87 54 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 30 25 $62

In context: peer comparison

Among 4 peers in Portland Specialist, average services per provider: 932. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
680
Patients
117
Total drug cost
$409,639
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 168 45 $8,762
Prednisone Generic 134 34 $1,543
Hydroxychloroquine Sulfate Generic 93 27 $8,532
Humira(Cf) Pen (Adalimumab) Brand 42 0 $379,744
Tramadol Hcl Generic 38 11 $637
Leflunomide Generic 31 0 $3,182
Celecoxib Generic 30 0 $3,696
Methotrexate Sodium (Methotrexate Sodium/Pf) Brand 25 0 $412
Meloxicam Generic 22 0 $141
Folic Acid Generic 20 0 $110

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Radis's medical specialty?
Dr. Charles Radis practices Specialist in Portland, ME.
Where does Dr. Charles Radis practice?
Dr. Charles Radis practices at 51 Sewall St, Portland, ME 041022643. Office phone: 2077745761.
What is Dr. Charles Radis's NPI?
Dr. Charles Radis's National Provider Identifier (NPI) is 1235122094, issued by NPPES.
Does Dr. Charles Radis accept Medicare assignment?
Yes. Dr. Charles Radis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Radis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.