MARY KAVANAGH BARKER (M.D.) – Internal Medicine Physician, NPI 1215908132

MARY KAVANAGH BARKER (M.D.) is a healthcare provider. based in Wellesley, Massachusetts. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 79150 (MA). The NPI Number for MARY KAVANAGH BARKER (M.D.) is 1215908132

Main info

Female
34 Years Of Experience
Accepts Medicare Assignment
Name
MARY KAVANAGH BARKER (M.D.)
NPI
1215908132
Phone
(781) 431-5220
Address
230 WORCESTER ST
Enumeration Date
30 January 2006
Last Update Date
22 October 2020

Doctor Profile

Medical School Name
VIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Secondary Phone
6176296000
Graduation Year
1992 (34 years ago)
PAC ID
4486662764
Group Practice PAC ID
4789588641
Professional Enrollment ID
I20060328000628
Address ID
MA021442705SO40XXXSTXX300
Telehealth
Yes

Contacts

Secure Messaging
mbarkermd673@direct.atrius.masshiway.net
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

7,722 INTERNAL MEDICINE in MA

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Provider Addresses for MARY KAVANAGH BARKER (M.D.)

  • 230, Worcester Street, Sheridan Estates, Wellesley, Norfolk County, Massachusetts, 02481, United States

    WELLESLEY, MA 024815420

    Phone: (781) 431-5220

    Fax: (781) 431-5526

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-03-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060328000628IInternal MedicineMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
36415Insertion of needle into vein for collection of blood sample501270$0
99214Established patient office or other outpatient visit, 30-39 minutes334208$0
83036Hemoglobin a1c level219142$0
84443Blood test, thyroid stimulating hormone (tsh)201178$0
80061Blood test, lipids (cholesterol and triglycerides)200180$0
View full utilization report →

Insurance plans in this area (ZIP 02481)

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Provider's Procedures

MARY KAVANAGH BARKER (M.D.) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEMA81002Urinalysis, manual test1111
INTERNAL MEDICINEMA90670Pneumococcal vaccine for injection into muscle5757

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789588641View full group profile
NameSpecialtyState
-MA
Family PracticeMA
D E R M A T O L O G YMA
Emergency MedicineMA
Internal Medicine, Cardiovascular Disease (Cardiology)MA
-MA
O B S T E T R I C S/ G Y N E C O L O G YMA
-MA
Internal MedicineMA
O T O L A R Y N G O L O G YMA

Reviews

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Frequently asked questions

What is MARY KAVANAGH BARKER (M.D.)'s NPI number?
MARY KAVANAGH BARKER (M.D.)'s NPI is 1215908132 — the number used across U.S. healthcare to identify this provider.
Is there an active status for MARY KAVANAGH BARKER (M.D.)?
For scheduling context, MARY KAVANAGH BARKER (M.D.) is shown as active in the registry.
What kind of doctor is MARY KAVANAGH BARKER (M.D.)?
MARY KAVANAGH BARKER (M.D.) is associated with Internal Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
Is MARY KAVANAGH BARKER (M.D.) located near Wellesley?
MARY KAVANAGH BARKER (M.D.) currently maps to Wellesley, Massachusetts in this extract.
Does MARY KAVANAGH BARKER (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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