NPPES file of Aug 9, 2026

Nicholas Nassikas, M.D.

Pulmonary Disease Physician · Providence, RI

Nicholas Nassikas, M.D. is a pulmonary disease physician with a practice address in Providence, Rhode Island, and NPI 1598143273, issued on May 13, 2015. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598143273
Name
Nicholas Nassikas
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
289959 MA
Self-reported in NPPES; status is on the state search
Practice location
593 Eddy St, Providence, RI 02903
Phone
(401) 793-2930
Enumerated
May 13, 2015
Record last updated
Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(401) 793-2953
Medicare enrollment
Enrolled (PECOS I20210811000055); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 593 Eddy St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Farah AbazaStudent in an Organized Health Care Education/Training Program1598437477
  2. Nilofar Abdul ShukurPhysician Assistant1336010529
  3. Hael Abdulrazeq, MDNeurological Surgery Physician1659934289
  4. James Abernathy, MDAnesthesiology Physician1942257217
  5. Karen Abi Chebl, MDStudent in an Organized Health Care Education/Training Program1255179552
  6. Georges Abi Roustom, MDAnesthesiology Physician1548871908

Verify Nicholas Nassikas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and DisciplineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Rhode Island license search

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82% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

257 Medicare Part D claims for 51 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.

  1. Nicholas Nassikas257
  2. Specialty average1,425

Most prescribed

  1. Montelukast Sodium21 claims
  2. Trelegy Ellipta21 claims
  3. Spiriva Respimat18 claims
  4. Dulera16 claims
  5. Omeprazole16 claims
  6. Anoro Ellipta15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicholas Nassikas among 79 pulmonary disease physician records in Rhode Island

Nicholas Nassikas, M.D. is one of 79 pulmonary disease physician records with a practice address in Rhode Island. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.

  • NPI issued2015 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2015 · median 2003 among the 55 with a school on file
  • Record last updated2021 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Rhode Island

There are 79 pulmonary disease physician records in Rhode Island.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Jason Aliotta, MDProvidence, RI 029031558314757
  2. Debasree Banerjee, M.D.Providence, RI 029031164742490
  3. Ghada Bourjeily, MDProvidence, RI 029031881613057
  4. Maya Cohen, M.D.Providence, RI 029031780035972
  5. Rachel Darling, MDProvidence, RI 029031487183133
  6. Andrew Foderaro, M.D.Providence, RI 029031700179942
  7. Brian Kimble, MDProvidence, RI 029031952341984
  8. Jisoo Lee, M.D.Providence, RI 029031962820969

Common questions

What is Nicholas Nassikas, M.D.'s NPI number?

Nicholas Nassikas, M.D.'s National Provider Identifier (NPI) is 1598143273, issued on May 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Nassikas, M.D. located?

The NPPES record lists a practice address at 593 Eddy St, Providence, RI, 02903. Phone: (401) 793-2930. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Nassikas, M.D.'s license?

Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nicholas Nassikas, M.D. prescribe under Medicare Part D?

In 2024, Nicholas Nassikas, M.D. had 257 Medicare Part D claims for 51 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.