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DR. KAREN LYNN SADLER M.D.
NPI 1396726543
Pediatrics in Framingham, MA

Active since November 07, 2005PECOS EnrolledAccepts Medicare Assignment
115 LINCOLN ST, METROWEST MEDICAL CENTER, FRAMINGHAM, MA 01702(508) 383-1574 Get Directions Write a Review

NPPES record last updated: October 18, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Karen Lynn Sadler M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KAREN LYNN SADLER M.D. (NPI 1396726543) is an individual pediatrics provider in Framingham, Massachusetts, licensed in Massachusetts (72315) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Harvard Medical School (1988).

NPPES Registry Identity

NPI1396726543
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. KAREN LYNN SADLERCredential: M.D.
Location Address115 LINCOLN ST, METROWEST MEDICAL CENTERFramingham, MA 01702-6358
Mailing Address11 Wakeland RdDover, MA 02030-2056
Phone(508) 383-1574
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1988
Enumeration DateNovember 7, 2005
Last NPPES UpdateOctober 18, 2013
✔ NPI 1396726543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 72315
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
115 LINCOLN ST, Framingham, MA 01702
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Other Identifiers 5

OtherJ13305MA · Bcbs Ma
Medicaid3132421MA
Other072315MA · Tufts Health Plan
Medicare ID-Type UnspecifiedJ13305MA
Medicare UPINF43613MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Karen Lynn Sadler M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931004645
PECOS Enrollment IDI20031205000111
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JORGE ALEJANDRO ALZATE CRNA
Nurse Anesthetist, Certified Registered
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
JAVIER CONTRERAS YAMETTI MD
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
AMY ADDO
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
SARA BOVE
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
ERIC EDUARDO FABARA MD
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1555
REBECA MARTINEZ GONZALEZ MD
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
REUBEN NEJAT JACOBSON
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
LUNG HEALTH CENTER OF METROWEST LLC
Internal Medicine (Pulmonary Disease)
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1525

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Sadler's NPI number?

The NPI number for Karen Sadler is 1396726543. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Karen Sadler located?

Karen Sadler practices at 115 Lincoln St Metrowest Medical Center, Framingham, MA 01702. The listed phone number is (508) 383-1574.

What is Karen Sadler's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Karen Sadler enrolled in Medicare?

Yes. Karen Sadler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karen Sadler accept?

Health plans from Anthem Blue Cross and Blue Shield list Karen Sadler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Sadler affiliated with any hospitals?

According to CMS data, Karen Sadler is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Karen Sadler was last updated on October 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.