NPPES file of Aug 9, 2026

Marianne C. Tawa, NP

Oncology Registered Nurse · Boston, MA

Marianne C. Tawa, NP is an oncology registered nurse with a practice address in Boston, Massachusetts, and NPI 1235177817, issued on Jun 3, 2006. Check the license (Massachusetts 146441, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1235177817
Name
Marianne C. Tawa
Credential
NP
Primary taxonomy
Oncology Registered Nurse 163WX0200X
License number
146441 MA
Self-reported in NPPES; status is on the state search
Practice location
44 Binney St, Boston, MA 02115
Phone
(617) 632-6571
Enumerated
Jun 3, 2006
Record last updated
Jul 13, 2026
Fax
(617) 632-6727
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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Also registered at 44 Binney St

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

  1. Karim Abou-Nassar, MDHematology & Oncology Physician1366770745
  2. Janet Abrahm, MDMedical Oncology Physician1427024264
  3. Thomas Abrams, M.D.Medical Oncology Physician1184693947
  4. Christine Agius, RN, MSN, NP-C, RNCAdult Health Nurse Practitioner1932114790
  5. Laura Aguilar, MD PHDPediatric Hematology & Oncology Physician1295786598
  6. Zi Yazan Alabed, M.D., PH.D.Student in an Organized Health Care Education/Training Program1184046583

Verify Marianne C. Tawa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 146441
    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
Find the Massachusetts license search

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29% fewer Medicare Part D claims than the average oncology registered nurse in 2024

385 Medicare Part D claims for 75 beneficiaries, against an average of 542 among the 22 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Marianne Tawa385
  2. Specialty average542

Most prescribed

  1. Betamethasone Diprop Augmented49 claims
  2. Bexarotene37 claims
  3. Triamcinolone Acetonide34 claims
  4. Levothyroxine Sodium26 claims
  5. Betamethasone Dipropionate21 claims
  6. Valacyclovir21 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.

Industry payments in 2024: $905.45

3 payments; by number, the most common kind was food and beverage; the largest payer was Kyowa Kirin, Inc. The 32 providers of this specialty with any payment received $1,637.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marianne Tawa$905.45
  2. Specialty average$1,637.98

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

Marianne C. Tawa among 36 oncology registered nurse records in Massachusetts

Marianne C. Tawa, NP is one of 36 oncology registered nurse records with a practice address in Massachusetts. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.

  • NPI issued2006 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2026 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WX0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oncology Registered Nurse providers in Massachusetts

There are 36 oncology registered nurse records in Massachusetts.

The 8 oncology registered nurse records with the nearest ZIP codes

  1. Anne Elperin, M.S.N., N.P.Boston, MA 021151447204052
  2. Kerri Flynn, RNBoston, MA 021151538092960
  3. Mary Rapp, NPBoston, MA 021151982643201
  4. Renee WangBoston, MA 021151801761044
  5. Kaitlyn Chu, NPBoston, MA 021161124784905
  6. Hilary GorgolBoston, MA 021141972451383
  7. Karleen Habin, RNBoston, MA 021141043353881
  8. Fiona Mackenzie, RNBoston, MA 021141487598355

Common questions

What is Marianne C. Tawa, NP's NPI number?

Marianne C. Tawa, NP's National Provider Identifier (NPI) is 1235177817, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marianne C. Tawa, NP located?

The NPPES record lists a practice address at 44 Binney St, Boston, MA, 02115. Phone: (617) 632-6571. Providers update this record themselves, so call before visiting.

How can I verify Marianne C. Tawa, NP's license?

NPPES lists Massachusetts license number 146441, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Marianne C. Tawa, NP prescribe under Medicare Part D?

In 2024, Marianne C. Tawa, NP had 385 Medicare Part D claims for 75 beneficiaries; the average among oncology registered nurse prescribers was 542. 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.