Doctor profile · Federal record

Dr. Charles Pu, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Internal Medicine Physician · Boston, MA

  • NPI 1508856691
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Charles River Plaza, Suite 501 Cpz 502
Boston, MA 021142723
(617) 726-2066
fax (617) 228-6306
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 19, 2012
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Massachusetts #73771
Medicaid
MA #3099466

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508856691. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
147
Distinct HCPCS
3
Medicare allowed
$14,981
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 91 39 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 35 22 $126
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $138

In context: peer comparison

Among 18 peers in this city , average services per provider: 78. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
STERIS CORPORATION 1 $38.00

By nature of payment

Food and Beverage
$38

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Pu's medical specialty?
Dr. Charles Pu practices Geriatric Medicine (Internal Medicine) Physician in Boston, MA.
Where does Dr. Charles Pu practice?
Dr. Charles Pu practices at 100 Charles River Plaza, Boston, MA 021142723. Office phone: 6177262066.
What is Dr. Charles Pu's NPI?
Dr. Charles Pu's National Provider Identifier (NPI) is 1508856691, issued by NPPES.
Does Dr. Charles Pu accept Medicare assignment?
Yes. Dr. Charles Pu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Pu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.