MARY DAWN T CO (M.D.) – Infectious Disease Physician, NPI 1427030493

MARY DAWN T CO (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in INFECTIOUS DISEASE. They hold the professional credentials M.D.. They hold a License No. 206858 (MA). The NPI Number for MARY DAWN T CO (M.D.) is 1427030493

Main info

Female
32 Years Of Experience
Accepts Medicare Assignment
Name
MARY DAWN T CO (M.D.)
NPI
1427030493
Phone
Not provided
Address
PO BOX 415348
Enumeration Date
16 November 2005
Last Update Date
1 April 2025

Doctor Profile

Medical School Name
MEDICAL COLLEGE OF PENNSYLVANIA
Secondary Phone
5083341000
Graduation Year
1994 (32 years ago)
PAC ID
0446221949
Group Practice PAC ID
4284539891
Professional Enrollment ID
I20040805000982
Address ID
MA016052324WO378XXSTXX300

Contacts

Secure Messaging
mco22416@UmassMemorial.direct-ci.com
FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
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

539 INFECTIOUS DISEASE in MA

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Provider Addresses for MARY DAWN T CO (M.D.)

  • PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States

    BOSTON, MA 022415348

    Phone:

    Type: Mailing

  • UMass Memorial Medical Center - Memorial Campus, 119, Belmont Street, Chandler Hill, Worcester, Worcester County, Massachusetts, 01605, United States

    WORCESTER, MA 016052903

    Phone: (774) 441-8230

    Type: Location

  • 55 Lake Ave N

    Worcester, MA 016550002

    Phone: (774) 441-8230

    Type: Location

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: 2004-08-05

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
I20040805000982IInfectious DiseaseMATBD

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
99204New patient office or other outpatient visit, 45-59 minutes1212$0
View full utilization report →

Insurance plans in this area (ZIP 02241)

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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: 4284539891View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MA
-MA
-MA
Family PracticeMA
Physician AssistantMA
Pulmonary Disease, Critical Care (Intensivists), Allergy/ImmunologyMA
-MA
-MA
Internal MedicineMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

Does MARY DAWN T CO (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — MARY DAWN T CO (M.D.) uses 1427030493.
Does the file indicate MARY DAWN T CO (M.D.) is practicing under active NPI?
Directory data currently reports MARY DAWN T CO (M.D.) as active.
What is MARY DAWN T CO (M.D.)'s primary classification?
Infectious Disease Physician is the headline specialty for MARY DAWN T CO (M.D.) here. Clinical services aligned with this taxonomy classification.
What address line appears for MARY DAWN T CO (M.D.)?
MARY DAWN T CO (M.D.)'s geographic hint is Boston, Massachusetts in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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