TIMOTHY PORTER (M.D.) – Pediatrics Physician, NPI 1144581778

TIMOTHY PORTER (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in Pediatrics Physician. They hold the professional credentials M.D.. They hold a License No. LP02490 (RI). The NPI Number for TIMOTHY PORTER (M.D.) is 1144581778

Main info

Male
Sole Proprietor
14 Years Of Experience
Accepts Medicare Assignment
Name
TIMOTHY PORTER (M.D.)
NPI
1144581778
Phone
(617) 636-6432
Address
800 WASHINGTON ST
Enumeration Date
30 May 2012
Last Update Date
15 June 2015

Doctor Profile

Medical School Name
UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Secondary Phone
6176365000
Graduation Year
2012 (14 years ago)
PAC ID
9931327590
Group Practice PAC ID
3779475371
Professional Enrollment ID
I20150617000299
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience42
Completeness75
Years active:14State licenses:1Digital endpointsOther names

Provider Addresses for TIMOTHY PORTER (M.D.)

  • 800 WASHINGTON ST

    BOX #286

    BOSTON, MA 021111552

    Phone: (617) 636-6432

    Fax: (617) 636-8391

    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: 2015-06-17

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
I20150617000299IPediatric 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.

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

Insurance plans in this area (ZIP 02111)

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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: 3779475371View full group profile

Reviews

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Frequently asked questions

What is the standard ID for TIMOTHY PORTER (M.D.) in the U.S.?
In the U.S., TIMOTHY PORTER (M.D.) is identified by NPI 1144581778.
Should I treat TIMOTHY PORTER (M.D.) as an active provider?
Patients and plans typically see TIMOTHY PORTER (M.D.) as active in the national extract.
Which specialty label fits TIMOTHY PORTER (M.D.)?
NPPES ties TIMOTHY PORTER (M.D.) to Pediatrics Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What city is tied to TIMOTHY PORTER (M.D.)?
The directory associates TIMOTHY PORTER (M.D.) with Boston, Massachusetts. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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