DR. AARON SPICER (MD, MAS) – Pediatric Critical Care Medicine Physician, NPI 1023270238

DR. AARON SPICER (MD, MAS) is a healthcare provider. based in Boston, Massachusetts. specializing in ANESTHESIOLOGY, PEDIATRIC MEDICINE, CRITICAL CARE (INTENSIVISTS). They hold the professional credentials MD, MAS. They hold a License No. 262506 (MA). The NPI Number for DR. AARON SPICER (MD, MAS) is 1023270238

Main info

Male
Sole Proprietor
18 Years Of Experience
Accepts Medicare Assignment
Name
DR. AARON SPICER (MD, MAS)
NPI
1023270238
Phone
(617) 355-7737
Address
300 Longwood Ave
Enumeration Date
29 June 2008
Last Update Date
15 August 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6173556000
Graduation Year
2008 (18 years ago)
PAC ID
1759699309
Group Practice PAC ID
0446155568
Professional Enrollment ID
I20191029000384
Address ID
MA021155724BO300XXAVEX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:17State licenses:2Digital endpointsOther names

2,323 ANESTHESIOLOGY in MA

Provider Addresses for DR. AARON SPICER (MD, MAS)

  • 300 Longwood Ave

    Boston, MA 02115

    Phone: (617) 355-7737

    Type: Location

  • Children's Hospital Library, 300, Longwood Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States

    BOSTON, MA 021155724

    Phone:

    Type: Mailing

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: 2019-10-29

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
I20191029000384ICritical 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 02115)

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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: 0446155568View full group profile
NameSpecialtyState
A N E S T H E S I O L O G YVA
A N E S T H E S I O L O G YMA
Anesthesiology, Pediatric MedicineMA
-MA
-MA
Nurse PractitionerMA
-MA
A N E S T H E S I O L O G YMA
Pain Management, NeurologyMA
Pediatric Medicine, Critical Care (Intensivists), Internal MedicineMA

Reviews

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Frequently asked questions

What is the standard ID for DR. AARON SPICER (MD, MAS) in the U.S.?
In the U.S., DR. AARON SPICER (MD, MAS) is identified by NPI 1023270238.
Quick check: is DR. AARON SPICER (MD, MAS) active?
Public NPPES data shows DR. AARON SPICER (MD, MAS) with an active NPI status right now.
What type of care does DR. AARON SPICER (MD, MAS) provide?
DR. AARON SPICER (MD, MAS)'s profile centers on Pediatric Critical Care Medicine Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. AARON SPICER (MD, MAS)?
The directory associates DR. AARON SPICER (MD, MAS) with Boston, Massachusetts. Check all listed addresses for suites or satellite offices.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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