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CAROLYN O'DONNELL-WALKER M.D.
NPI 1922205020
Pediatrics in Acton, MA

Active since July 02, 2007PECOS Enrolled
87.05/100
CMS Quality Rating

NPPES record last updated: May 29, 2019. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Carolyn O'donnell-walker M.d. NPPES

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

CAROLYN O'DONNELL-WALKER M.D. (NPI 1922205020) is an individual pediatrics provider in Acton, Massachusetts, licensed in Massachusetts (232565) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922205020
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameCAROLYN O'DONNELL-WALKERCredential: M.D.
Location Address321 MAIN STActon, MA 01720-3718
Mailing Address321 Main StActon, MA 01720-3718 · (978) 635-8700
Phone(978) 635-8700
Sole ProprietorNo
Enumeration DateJuly 2, 2007
Last NPPES UpdateMay 29, 2019
✔ NPI 1922205020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 232565
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.
321 MAIN ST, Acton, MA 01720
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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 (PECOS)

Carolyn O'donnell-walker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01720 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.99
Promoting Interoperability99
Improvement Activities40
Cost70.68

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.

GRACE WATERHOUSE NP
Nurse Practitioner (Adult Health)
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 635-8700
NADIA TIKHOMIROVA NP
Nurse Practitioner (Family)
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 635-8700
AMY CHURCHILL MD
Internal Medicine
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 263-1131
DR. PETER JAMES DEMARTINO M.D.
Internal Medicine
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 263-1425
TELI LEUNG-GALECKI M.D.
Internal Medicine
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 635-8700
DR. INGRID GORMAN M.D.
Internal Medicine
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 263-1131
KRISTY P SMITH
Nurse Practitioner (Family)
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 263-0680
MS. TIFFANY MCNAMARA CNP-P
Nurse Practitioner (Pediatrics)
321 MAIN ST
ACTON, MA 01720
Middlesex County (978) 635-8700

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 Carolyn O'donnell-walker's NPI number?

The NPI number for Carolyn O'donnell-walker is 1922205020. It was assigned to this individual provider in the NPPES registry on July 2, 2007.

Where is Carolyn O'donnell-walker located?

Carolyn O'donnell-walker practices at 321 Main St, Acton, MA 01720. The listed phone number is (978) 635-8700.

What is Carolyn O'donnell-walker's specialty?

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

Is Carolyn O'donnell-walker enrolled in Medicare?

Yes. Carolyn O'donnell-walker is registered in the Medicare PECOS enrollment system.

What insurance does Carolyn O'donnell-walker accept?

Health plans from Anthem Blue Cross and Blue Shield list Carolyn O'donnell-walker 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 Carolyn O'donnell-walker was last updated on May 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.