Karen Lynn Sadler, M.D.
Pediatrics Physician · Framingham, MA
Karen Lynn Sadler, M.D. is a pediatrics physician with a practice address in Framingham, Massachusetts, and NPI 1396726543, issued on Nov 7, 2005. Check the license (Massachusetts 72315, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Lynn Sadler
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 72315 MA
Self-reported in NPPES; status is on the state search - Practice location
- 115 Lincoln St, Framingham, MA 01702
- Phone
- (508) 383-1574
- Enumerated
- Nov 7, 2005
- Record last updated
- Oct 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 3132421 MA
- Medicare enrollment
- Enrolled (PECOS I20031205000111); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1988
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 115 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kamelah Abushalha, MDInternal Medicine Physician1760055255
- Amy AddoStudent in an Organized Health Care Education/Training Program1003619842
- Theodore AddoStudent in an Organized Health Care Education/Training Program1992648323
- Muhammad Afridi, DODiagnostic Radiology Physician1386375723
- Abdullah Alsakka, MDInternal Medicine Physician1326567629
- Zarmeneh Aly, M.D.Internal Medicine Physician1346536174
Verify Karen Lynn Sadler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 72315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lynn Sadler among 2,628 pediatrics physician records in Massachusetts
Karen Lynn Sadler, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1988 · median 2010 among the 319 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 pediatrics physician records list a practice address in Framingham
They are 28 of the 3,069 NPPES records with a practice address in Framingham, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Framingham → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Hanan Alhyari, MDFramingham, MA 017021366013682
- Karen Desio, MDFramingham, MA 017021174588636
- Katherine Harer, M.D.Framingham, MA 017021063869386
- Allan Kornberg, M.D.Framingham, MA 017021184771297
- Margaret McCahan, M.D.Framingham, MA 017021578515136
- Courtney McGuireFramingham, MA 017021093247306
- Deval Shah-Canning, MDFramingham, MA 017021336192251
- Deena Solomon, MDFramingham, MA 017021730164328
Common questions
What is Karen Lynn Sadler, M.D.'s NPI number?
Karen Lynn Sadler, M.D.'s National Provider Identifier (NPI) is 1396726543, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lynn Sadler, M.D. located?
The NPPES record lists a practice address at 115 Lincoln St, Framingham, MA, 01702. Phone: (508) 383-1574. Providers update this record themselves, so call before visiting.
How can I verify Karen Lynn Sadler, M.D.'s license?
NPPES lists Massachusetts license number 72315, 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.
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.