DR. LOUIS A GIORGIO (MD) – Internal Medicine Physician, NPI 1376533497

DR. LOUIS A GIORGIO (MD) is a healthcare provider. based in Boston, Massachusetts. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 71433 (MA). The NPI Number for DR. LOUIS A GIORGIO (MD) is 1376533497

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. LOUIS A GIORGIO (MD)
NPI
1376533497
Phone
(617) 421-2686
Address
133 Brookline Ave
Enumeration Date
28 October 2005
Last Update Date
12 July 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7817448771
Graduation Year
1984 (42 years ago)
PAC ID
0648358408
Group Practice PAC ID
2264336528
Professional Enrollment ID
I20080418000213
Address ID
MA018050001BU41XXXRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

7,735 INTERNAL MEDICINE in MA

Provider Addresses for DR. LOUIS A GIORGIO (MD)

  • 133 Brookline Ave

    ECF

    Boston, MA 022153904

    Phone: (617) 421-2686

    Type: Location

  • Research Park Drive, Catonsville, Baltimore County, Maryland, United States

    BALTIMORE, MD 212284873

    Phone: (978) 536-7850

    Type: Mailing

  • Brooksby Village Drive, Brooksby Village Retirement Community, Peabody, Essex County, Massachusetts, 01923-1014, United States

    PEABODY, MA 01960

    Phone: (978) 536-7850

    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: 2008-04-18

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
I20080418000213IInternal 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
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes254243$0
99306Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes7673$0
99308Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes1712$0
View full utilization report →

Insurance plans in this area (ZIP 02215)

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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: 2264336528View full group profile
NameSpecialtyState
-MA
G A S T R O E N T E R O L O G YNY
Physician AssistantMA

Reviews

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Frequently asked questions

Is DR. LOUIS A GIORGIO (MD) listed with a National Provider Identifier?
Yes — DR. LOUIS A GIORGIO (MD) has NPI 1376533497 on file in the registry.
Would DR. LOUIS A GIORGIO (MD) appear as active to a payer?
You can treat DR. LOUIS A GIORGIO (MD) as active for directory purposes; confirm clinical privileges separately.
What area of care is associated with DR. LOUIS A GIORGIO (MD)?
DR. LOUIS A GIORGIO (MD)'s record emphasizes Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where in Massachusetts is DR. LOUIS A GIORGIO (MD) registered?
Use Boston, Massachusetts as the headline location for DR. LOUIS A GIORGIO (MD) here.
Does DR. LOUIS A GIORGIO (MD) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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