Doctor profile · Federal record

Dr. Nicholas Nassikas, M.D.

Pulmonary Disease Physician (CMS: Critical Care (Intensivists)) · Providence, RI

  • NPI 1598143273
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
593 Eddy St
Providence, RI 029034923
(401) 793-2930
fax (401) 793-2953
Mailing address
330 Brookline Ave
Boston, MA 022155491

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
September 13, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Massachusetts #289959

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598143273. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
218
Distinct HCPCS
5
Medicare allowed
$40,189
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 116 83 $225
99215 Established patient office or other outpatient visit, 40-54 minutes 49 30 $153
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 21 21 $88
99292 Critical care, each additional 30 minutes 17 13 $113
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $193

In context: peer comparison

Among 6 peers in Providence Pulmonary Disease Physician, average services per provider: 32. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
0
Total drug cost
$17,759
Drug Type Claims Patients Total cost
Symbicort (Budesonide/Formoterol Fumarate) Brand 12 0 $7,117
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 0 $391
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 11 0 $10,251

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Nassikas's medical specialty?
Dr. Nicholas Nassikas practices Pulmonary Disease Physician in Providence, RI.
Where does Dr. Nicholas Nassikas practice?
Dr. Nicholas Nassikas practices at 593 Eddy St, Providence, RI 029034923. Office phone: 4017932930.
What is Dr. Nicholas Nassikas's NPI?
Dr. Nicholas Nassikas's National Provider Identifier (NPI) is 1598143273, issued by NPPES.
Does Dr. Nicholas Nassikas accept Medicare assignment?
Yes. Dr. Nicholas Nassikas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Nassikas commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99215); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.