NPPES file of Aug 9, 2026

Katarina Illanes, M.D.

Nephrology Physician · Worcester, MA

Katarina Illanes, M.D. is a nephrology physician with a practice address in Worcester, Massachusetts, and NPI 1912049677, issued on Feb 12, 2007. Check the license (Massachusetts 238684, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1912049677
Name
Katarina Illanes
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
238684 MA
229972 MA
Self-reported in NPPES; status is on the state search
Practice location
281 Lincoln St, Worcester, MA 01605
Phone
(508) 334-8015
Enumerated
Feb 12, 2007
Record last updated
Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →

Also registered at 281 Lincoln St

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

  1. Daniel Aaron, M.D.Orthopaedic Surgery Physician1518184605
  2. Andressa Akabane, MD MMSCStudent in an Organized Health Care Education/Training Program1942903265
  3. Mustafa Akyurek, M.D.Plastic and Reconstructive Surgery Physician1275523623
  4. Christina Alavian, M.D.Dermatology Physician1356376461
  5. Rasha Amiri, M.D.Internal Medicine Physician1750589669
  6. Shideh Amirifeli, M.D.Internal Medicine Physician1083763890

Verify Katarina Illanes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 238684    Check 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 Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $52.58

1 payment: food and beverage; the largest payer was Vertex Pharmaceuticals Incorporated. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katarina Illanes$52.58
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Katarina Illanes among 417 nephrology physician records in Massachusetts

Katarina Illanes, M.D. is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 44% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2021 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Massachusetts

There are 417 nephrology physician records in Massachusetts.

All 417 in Massachusetts → Every provider in Worcester → Nephrology Physician nationwide →

The 8 nephrology physician records with the nearest ZIP codes

  1. Howard Alfred, M.D.Worcester, MA 016051942283627
  2. Maria Delrosario, M.D.Worcester, MA 016051609859230
  3. Rohit Vakil, M.D.Worcester, MA 016041720062920
  4. Robert Black, MDWorcestor, MA 016081689626913
  5. Felipe Fernandez Del Castillo, M.D.Worcester, MA 016081740639681
  6. Nishanth Girija Kumar, M.D.Worcester, MA 016081548643752
  7. Neeraj Jain, M.DWorcester, MA 016081144425539
  8. Sonia Kamath, M.D.Worcester, MA 016081851347736

Common questions

What is Katarina Illanes, M.D.'s NPI number?

Katarina Illanes, M.D.'s National Provider Identifier (NPI) is 1912049677, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katarina Illanes, M.D. located?

The NPPES record lists a practice address at 281 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-8015. Providers update this record themselves, so call before visiting.

How can I verify Katarina Illanes, M.D.'s license?

NPPES lists Massachusetts license number 238684, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.