NPPES file of Aug 9, 2026

Michelle Nancy Knowles, ANP-BC

Adult Health Nurse Practitioner · Waltham, MA

Michelle Nancy Knowles, ANP-BC is an adult health nurse practitioner with a practice address in Waltham, Massachusetts, and NPI 1659416139, issued on Feb 21, 2007. Check the license (Massachusetts 228235, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659416139
Name
Michelle Nancy Knowles
Credential
ANP-BC
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
228235 MA
Self-reported in NPPES; status is on the state search
Practice location
52 2ND Ave, Waltham, MA 02451
Phone
(781) 487-6100
Enumerated
Feb 21, 2007
Record last updated
Sep 26, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(781) 487-6202
Medicare enrollment
Enrolled (PECOS I20090126000012); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 2004
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 52 2ND Ave

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

  1. Titilayo Alabi, M.D.Adult Medicine Physician1982824389
  2. Haylee Borgstrom, MD, MSSports Medicine (Physical Medicine & Rehabilitation) Physician1609213875
  3. Maureen French, MDObstetrics & Gynecology Physician1265821045
  4. Reem Jabr, MA RD LDNRegistered Dietitian1235341108
  5. Allison McDonough, MDInternal Medicine Physician1124091103
  6. Lucy Miller, ACNP-BCAcute Care Nurse Practitioner1851716054

Verify Michelle Nancy Knowles 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 228235    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

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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Bills Medicare through one group practice

  1. The General Hospital CorporationBoston, MA

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

30 adult health nurse practitioner records list a practice address in Waltham

They are 30 of the 2,111 NPPES records with a practice address in Waltham, and 1,465 adult health nurse practitioner records in Massachusetts.

All 30 in Waltham → All 1,465 in Massachusetts → Every provider in Waltham →

Other adult health nurse practitioner records in Massachusetts

  1. Christine Abbott, NPBoston, MA1851471940
  2. Maureen Abbott, NPBoston, MA1457591638
  3. Bethany Abde, AGNP - BCWareham, MA1215331566
  4. Nadia Abdulrazak, N.P.Boston, MA1952616682
  5. June Abraham, NPBoston, MA1306916440
  6. Van Abreu, N.P.Reading, MA1174867055
  7. Margaret Ackerman, DNPSalem, MA1962482281
  8. Rebecca Acome, N.P.Jamaica Plain, MA1205088531
  9. Annette Adams, CNPNantucket, MA1164877635
  10. Mervin AdamsHyde Park, MA1174849467

Common questions

What is Michelle Nancy Knowles, ANP-BC's NPI number?

Michelle Nancy Knowles, ANP-BC's National Provider Identifier (NPI) is 1659416139, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Nancy Knowles, ANP-BC located?

The NPPES record lists a practice address at 52 2ND Ave, Waltham, MA, 02451. Phone: (781) 487-6100. Providers update this record themselves, so call before visiting.

How can I verify Michelle Nancy Knowles, ANP-BC's license?

NPPES lists Massachusetts license number 228235, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.

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.