MR. JOHN FRANCIS O BRIEN (MD) – Internal Medicine Physician, NPI 1588678965

MR. JOHN FRANCIS O BRIEN (MD) is a healthcare provider. based in Newton lower falls, Massachusetts. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. 37318 (MA). The NPI Number for MR. JOHN FRANCIS O BRIEN (MD) is 1588678965

Main info

Male
56 Years Of Experience
Accepts Medicare Assignment
Name
MR. JOHN FRANCIS O BRIEN (MD)
NPI
1588678965
Phone
(617) 964-9050
Address
2000 WASHINGTON ST
Enumeration Date
28 July 2006
Last Update Date
15 October 2020

Doctor Profile

Medical School Name
ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Secondary Phone
-
Graduation Year
1970 (56 years ago)
PAC ID
9638196579
Professional Enrollment ID
I20051029000044
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MR. JOHN FRANCIS O BRIEN (MD)

  • 2000, Washington Street, Newton Lower Falls, West Newton, Newton, Middlesex County, Massachusetts, 02481, United States

    SUITE 565

    NEWTON LOWER FALLS, MA 02462

    Phone: (617) 964-9050

    Fax: (617) 928-0913

    Type: Location

  • Visitor Parking, 2000, Washington Street, Newton Lower Falls, Newton, Middlesex County, Massachusetts, 02462, United States

    STE 570

    NEWTON, MA 024621626

    Phone: (617) 964-9050

    Fax: (617) 928-0913

    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: 2005-10-29

PECOS data refreshed: 2026-06-15

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
I20051029000044IInternal 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
99497Advance care planning, first 30 minutes5754$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit5454$0
99214Established patient office or other outpatient visit, 30-39 minutes4938$0
99443Telephone medical discussion with physician, 21-30 minutes3023$0
99213Established patient office or other outpatient visit, 20-29 minutes2824$0
View full utilization report →

Insurance plans in this area (ZIP 02462)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for MR. JOHN FRANCIS O BRIEN (MD)?
MR. JOHN FRANCIS O BRIEN (MD) — NPI 1588678965 — is the standard way to identify this listing.
Does CMS list MR. JOHN FRANCIS O BRIEN (MD) as active?
Yes — MR. JOHN FRANCIS O BRIEN (MD) is active in the NPI listing used on this page.
What taxonomy line describes MR. JOHN FRANCIS O BRIEN (MD)?
For research purposes, treat MR. JOHN FRANCIS O BRIEN (MD) as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for MR. JOHN FRANCIS O BRIEN (MD)?
MR. JOHN FRANCIS O BRIEN (MD)'s geographic hint is Newton Lower Falls, Massachusetts in our summary view.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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