DR. CHARLES T PU (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1508856691

DR. CHARLES T PU (MD) is a healthcare provider. based in Charlestown, Massachusetts. specializing in GERIATRIC MEDICINE, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 73771 (MA). The NPI Number for DR. CHARLES T PU (MD) is 1508856691

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. CHARLES T PU (MD)
NPI
1508856691
Phone
(617) 726-2066
Address
PO BOX 9142
Enumeration Date
28 October 2005
Last Update Date
19 July 2012

Doctor Profile

Medical School Name
RUTGERS NEW JERSEY MEDICAL SCHOOL
Secondary Phone
6177240287
Graduation Year
1989 (37 years ago)
PAC ID
8820086291
Group Practice PAC ID
2466365820
Professional Enrollment ID
I20040504000985
Address ID
MA021142696BO55XXXSTXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

223 GERIATRIC MEDICINE in MA

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Provider Addresses for DR. CHARLES T PU (MD)

  • 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) 726-2066

    Fax: (617) 228-6306

    Type: Mailing

  • Charles River Plaza Garage, Cambridge Street, West End, Boston, Suffolk County, Massachusetts, 02114, United States

    SUITE 501 CPZ 502

    BOSTON, MA 021142723

    Phone: (617) 726-2066

    Fax: (617) 228-6306

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $38.

Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.

Last reported payment date: 2024-08-23 • Largest payer in this snapshot: STERIS CORPORATION ($38).

Total Amount

$38

General + Research + Ownership

Payments

1

Total payment records

General Amount

$38

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-23

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
STERIS CORPORATION$38
View all Open Payments →|Open Payments Risk Radar →

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: 2004-05-04

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
I20040504000985IGeriatric 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
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes9139$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes3522$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes2121$0
View full utilization report →

Insurance plans in this area (ZIP 02129)

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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: 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

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Frequently asked questions

Does DR. CHARLES T PU (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. CHARLES T PU (MD) uses 1508856691.
Does CMS list DR. CHARLES T PU (MD) as active?
Yes — DR. CHARLES T PU (MD) is active in the NPI listing used on this page.
What is DR. CHARLES T PU (MD)'s specialty?
The listing groups DR. CHARLES T PU (MD) with Geriatric Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
What area does DR. CHARLES T PU (MD) serve?
DR. CHARLES T PU (MD)'s listing highlights Charlestown, Massachusetts; more addresses can appear in NPPES.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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