DR. MICHAEL J WHALEN (MD) – Pediatric Critical Care Medicine Physician, NPI 1902987423

DR. MICHAEL J WHALEN (MD) is a healthcare provider. based in Boston, Massachusetts. specializing in CRITICAL CARE (INTENSIVISTS), PEDIATRIC MEDICINE. They hold the professional credentials MD. They hold a License No. 157539 (MA). The NPI Number for DR. MICHAEL J WHALEN (MD) is 1902987423

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. MICHAEL J WHALEN (MD)
NPI
1902987423
Phone
(617) 724-4380
Address
55 FRUIT STREET ELL 3
Enumeration Date
18 October 2006
Last Update Date
20 May 2020

Doctor Profile

Medical School Name
UNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Secondary Phone
6177240287
Graduation Year
1989 (37 years ago)
PAC ID
3779571336
Group Practice PAC ID
2466365820
Professional Enrollment ID
I20040503001204
Address ID
MA021142696BO55XXXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:19State licenses:1Digital endpointsOther names

782 CRITICAL CARE (INTENSIVISTS) in MA

Provider Addresses for DR. MICHAEL J WHALEN (MD)

  • 55 FRUIT STREET ELL 3

    PEDIATRIC CARE UNIT

    BOSTON, MA 021142696

    Phone: (617) 724-4380

    Fax: (617) 724-2696

    Type: Location

  • Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom

    MASS GENERAL PHYSICIAN ORGANIZATION

    CHARLESTOWN, MA 021299142

    Phone: (617) 724-0287

    Fax: (617) 726-2894

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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: 2004-05-03

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
I20040503001204ICritical Care (Intensivists)MATBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02114)

Loading plans...

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: 2466365820View full group profile
NameSpecialtyState
G A S T R O E N T E R O L O G YMA
Diagnostic RadiologyMA
Nephrology, Internal MedicineMA
Nurse PractitionerMA
P A T H O L O G YNY
P A T H O L O G YMA
P S Y C H I A T R YMA
Cardiac Electrophysiology, Internal Medicine, Cardiovascular Disease (Cardiology)MA
H E M A T O L O G Y/ O N C O L O G YMA
N E U R O L O G YMA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the registry number for DR. MICHAEL J WHALEN (MD)?
The registry entry for DR. MICHAEL J WHALEN (MD) shows NPI 1902987423.
Should I treat DR. MICHAEL J WHALEN (MD) as an active provider?
Patients and plans typically see DR. MICHAEL J WHALEN (MD) as active in the national extract.
What services align with DR. MICHAEL J WHALEN (MD)'s listing?
DR. MICHAEL J WHALEN (MD)'s public classification highlights Pediatric Critical Care Medicine Physician. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. MICHAEL J WHALEN (MD)?
DR. MICHAEL J WHALEN (MD) is associated with Boston, Massachusetts in the same public data insurers reference.
Who maintains DR. MICHAEL J WHALEN (MD)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

Similar Providers

HEIDI JOY APPEL

Pediatric Critical Care Medicine Physician
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
NPI: 1730187832

DR. PETER H WEINSTOCK (MD PHD)

Pediatric Critical Care Medicine Physician
Children's Hospital Library, 300, Longwood Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States
NPI: 1639169360

DR. CARLOS I DURAN (MD)

Pediatric Critical Care Medicine Physician
Tufts Medical Center, 800, Washington Street, Chinatown, Financial District, Boston, Suffolk County, Massachusetts, 02111, United States
NPI: 1497745517

DR. BENJAMIN DAN MATTHEWS (MD)

Pediatric Critical Care Medicine Physician
Children's Hospital Library, 300, Longwood Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States
NPI: 1851382436

DR. JOSEPHINE MUN-YEE LOK (MD)

Pediatric Critical Care Medicine Physician
Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom
NPI: 1033100680

RAVI THIAGARAJAN (MD)

Pediatric Critical Care Medicine Physician
Brookline Post Office, 1295, Beacon Street, Coolidge Corner, North Brookline, Brookline, Norfolk County, Massachusetts, 02446, United States
NPI: 1598746620

DR. PATRICIA JEAN OMALLEY (MD)

Pediatric Critical Care Medicine Physician
Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom
NPI: 1578544557

CATHERINE ALLAN (MD)

Pediatric Critical Care Medicine Physician
Brookline Post Office, 1295, Beacon Street, Coolidge Corner, North Brookline, Brookline, Norfolk County, Massachusetts, 02446, United States
NPI: 1609857440

DR. MICHAEL SD AGUS (MD)

Pediatric Critical Care Medicine Physician
Children's Hospital Library, 300, Longwood Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States
NPI: 1952382301