NPPES file of Aug 9, 2026

Sara Louise Filstrup, DDS, MS

Pediatric Dentistry · Cambridge, MA

Sara Louise Filstrup, DDS, MS is a pediatric dentistry with a practice address in Cambridge, Massachusetts, and NPI 1417009796, issued on Jan 17, 2007. Check the license (Massachusetts 20414, 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
1417009796
Name
Sara Louise Filstrup
Credential
DDS, MS
Primary taxonomy
Pediatric Dentistry 1223P0221X
License number
20414 MA
Self-reported in NPPES; status is on the state search
Practice location
1749 Massachusetts Ave, Cambridge, MA 02140
Phone
(617) 491-1161
Enumerated
Jan 17, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(617) 661-1555
Medicaid ID
0203441 MA
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 pediatric dentistry records → All 356 in Massachusetts → Look up another NPI →

Also registered at 1749 Massachusetts Ave

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

  1. Fatima Aziz, D.M.D.Pediatric Dentistry1003229543
  2. Grace Creech, DMDOrthodontics and Dentofacial Orthopedics Dentistry1619497856
  3. Albert Duarte, D.M.D.Dentist1043488463
  4. George McEachern, DMDPediatric Dentistry1265583348
  5. Ramya Rao, D.M.D.Pediatric Dentistry1053661306

Verify Sara Louise Filstrup 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 20414    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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Industry payments in 2024: $60.39

2 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 2,607 providers of this specialty with any payment received $434.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sara Filstrup$60.39
  2. Specialty average$434.77

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

Sara Louise Filstrup among 356 pediatric dentistry records in Massachusetts

Sara Louise Filstrup, DDS, MS is one of 356 pediatric dentistry records with a practice address in Massachusetts. 19% 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 28% of them.

  • NPI issued2007 · 28% of these records are older, 58% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0221X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Dentistry providers in Massachusetts

There are 356 pediatric dentistry records in Massachusetts.

All 356 in Massachusetts → Every provider in Cambridge → Pediatric Dentistry nationwide →

The 8 pediatric dentistry records with the nearest ZIP codes

  1. Fatima Aziz, D.M.D.Cambridge, MA 021401003229543
  2. George McEachern, DMDCambridge, MA 021401265583348
  3. Ramya Rao, D.M.D.Cambridge, MA 021401053661306
  4. Ronald Smith, DDSCambridge, MA 021401316957962
  5. Marti GabriellaCambridge, MA 021381851958631
  6. Gulsun Gul, DDS,MBA,MPH,MSCambridge, MA 021421093065179
  7. Marina HannaCambridge, MA 021381932804028
  8. Pedram Javedan, D.D.S.Cambridge, MA 021381821295452

Common questions

What is Sara Louise Filstrup, DDS, MS's NPI number?

Sara Louise Filstrup, DDS, MS's National Provider Identifier (NPI) is 1417009796, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sara Louise Filstrup, DDS, MS located?

The NPPES record lists a practice address at 1749 Massachusetts Ave, Cambridge, MA, 02140. Phone: (617) 491-1161. Providers update this record themselves, so call before visiting.

How can I verify Sara Louise Filstrup, DDS, MS's license?

NPPES lists Massachusetts license number 20414, 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.