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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SARAH W FREEMAN MD
NPI 1639819220
Obstetrics & Gynecology in Burlington, MA

Active since March 31, 2022PECOS Enrolled
41 MALL RD, BURLINGTON, MA 01805(781) 744-8000 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 24, 2026, Aug 6, 2026 (2 updates tracked since 2026).

About Sarah W Freeman Md NPPES

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

SARAH W FREEMAN MD (NPI 1639819220) is an individual obstetrics & gynecology provider in Burlington, Massachusetts, licensed in Massachusetts (1027807) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Cambridge, and is a graduate of Duke University School Of Medicine (2022).

NPPES Registry Identity

NPI1639819220
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSARAH W FREEMANCredential: MD
Location Address41 MALL RDBurlington, MA 01805-0001
Mailing Address330 Mount Auburn St, Parsons 2Cambridge, MA 02138-5597 · (617) 499-5151 · Fax (617) 499-5179
Phone(781) 744-8000
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2022
Enumeration DateMarch 31, 2022
Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1639819220 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MA · 1027807
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
41 MALL RD, Burlington, MA 01805
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Secondary Practice Location 1

Location 1330 Mount Auburn StCambridge, MA 02138-5502 · Phone (617) 499-5151 · Fax (617) 499-5179

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sarah W Freeman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507321270
PECOS Enrollment IDI20260723000499
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.

Medicare Billing Reassignment

Medicare enrollment records show Sarah Freeman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lahey Clinic, Inc.
Same address
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
NPI 1538194980 (781) 744-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01805 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

SAHOOR KHAN
Internal Medicine (Interventional Cardiology)
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-8000
FNU KALEEMULLAH MD
Hospitalist
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-8000
ARLENE DEBORAH STOLLER ACNS
Registered Nurse
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (617) 460-2222
THAIS BITENCOURT ROBERTS AGNP
Nurse Practitioner
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-8000
JULIE ALHADY
Pharmacist
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-7592
DR. MEHDI KHANI MD
Student in an Organized Health Care Education/Training Program
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-5100
FATIMA RODA
Physician Assistant
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-5100
RAISA CUCCIO NP
Nurse Practitioner
41 MALL RD
BURLINGTON, MA 01805
Middlesex County (781) 744-8000

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 Sarah Freeman's NPI number?

The NPI number for Sarah Freeman is 1639819220. It was assigned to this individual provider in the NPPES registry on March 31, 2022.

Where is Sarah Freeman located?

Sarah Freeman practices at 41 Mall Rd, Burlington, MA 01805. The listed phone number is (781) 744-8000.

What is Sarah Freeman's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Sarah Freeman enrolled in Medicare?

Yes. Sarah Freeman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Freeman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Freeman reassigns Medicare benefits to Lahey Clinic, Inc. (Burlington, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Freeman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Freeman accept?

Health plans from Anthem Blue Cross and Blue Shield list Sarah Freeman 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.

When was this NPI record last updated?

The NPPES record for Sarah Freeman was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.