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DR. MEGAN ZWINGELBERG CARDOSO M.D.
NPI 1598927873
Pediatrics in Chelmsford, MA

Active since June 27, 2008PECOS EnrolledAccepts Medicare Assignment
7 VILLAGE SQ, CHELMSFORD, MA 01824(978) 256-4363 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Megan Zwingelberg Cardoso M.d. NPPES

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

DR. MEGAN ZWINGELBERG CARDOSO M.D. (NPI 1598927873) is an individual pediatrics provider in Chelmsford, Massachusetts, licensed in Massachusetts (236979) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Dracut, and is a graduate of George Washington University School Of Medicine (2008).

NPPES Registry Identity

NPI1598927873
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MEGAN ZWINGELBERG CARDOSOCredential: M.D.
Location Address7 VILLAGE SQChelmsford, MA 01824-2712
Mailing Address7 Village SqChelmsford, MA 01824-2712 · (978) 256-4363 · Fax (978) 256-1565
Phone(978) 256-4363
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2008
Enumeration DateJune 27, 2008
Last NPPES UpdateDecember 30, 2025
NPPES CertifiedDecember 30, 2025
✔ NPI 1598927873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 236979
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.
7 VILLAGE SQ, Chelmsford, MA 01824
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Other Names 1

Former Name (1)Ms. Megan Sue Zwingelberg

Secondary Practice Location 1

Location 11385 Lakeveiw aveDracut, MA 01826 · Phone (978) 256-4363

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Megan Zwingelberg Cardoso 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 ID3779752555
PECOS Enrollment IDI20110811000838
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 Megan Cardoso reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mill City Medical Group Ltd
3.4 mi
Internal Medicine
45 PALMER STREET
Lowell, MA 01852
  • Reassigned Medicare billing, Massachusetts enrollment
  • 12 clinicians in this Medicare group
NPI 1053346692 (978) 970-1607

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 01824 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 5

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

SHEILA L MOREHOUSE M.D.
Pediatrics
7 VILLAGE SQ
CHELMSFORD, MA 01824
Middlesex County (978) 256-4363
MRS. ALEXA NICOLE BARRY FNP
Nurse Practitioner (Pediatrics)
7 VILLAGE SQ
CHELMSFORD, MA 01824
Middlesex County (978) 256-4363
JAYMI K FORMAGGIO M.D.
Pediatrics
7 VILLAGE SQ
CHELMSFORD, MA 01824
Middlesex County (978) 256-4363
JACQUES HAGOP SULAHIAN M.D
Pediatrics
7 VILLAGE SQ
CHELMSFORD, MA 01824
Middlesex County (978) 256-4363
SANDRA DUNN NP
Nurse Practitioner (Family)
7 VILLAGE SQ
CHELMSFORD, MA 01824
Middlesex County (978) 256-4363

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 Megan Cardoso's NPI number?

The NPI number for Megan Cardoso is 1598927873. It was assigned to this individual provider in the NPPES registry on June 27, 2008. The provider is also known as Ms. Megan Sue Zwingelberg.

Where is Megan Cardoso located?

Megan Cardoso practices at 7 Village Sq, Chelmsford, MA 01824. The listed phone number is (978) 256-4363.

What is Megan Cardoso's specialty?

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

Is Megan Cardoso enrolled in Medicare?

Yes. Megan Cardoso 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.

Which organization bills Medicare for Megan Cardoso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Cardoso reassigns Medicare benefits to Mill City Medical Group Ltd (Lowell, 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 Megan Cardoso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Megan Cardoso accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Megan Cardoso 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 Megan Cardoso was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.