Doctor profile · Federal record

Dr. Paul Krezanoski, M.D.

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

  • NPI 1649591884
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 726-7782

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #L-244045

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649591884. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
2
Medicare allowed
$3,712
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $145
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $193

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 0.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Krezanoski's medical specialty?
Dr. Paul Krezanoski practices Internal Medicine Physician in Boston, MA.
Where does Dr. Paul Krezanoski practice?
Dr. Paul Krezanoski practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177267782.
What is Dr. Paul Krezanoski's NPI?
Dr. Paul Krezanoski's National Provider Identifier (NPI) is 1649591884, issued by NPPES.
Does Dr. Paul Krezanoski accept Medicare assignment?
Yes. Dr. Paul Krezanoski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Krezanoski commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.