Doctor profile · Federal record

Dr. Clifford Berg, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Waterbury, CT

  • NPI 1346560406
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
56 Franklin St
Waterbury, CT 06706
(203) 709-6000
Additional location
22 Bramhall St
Portland, ME 041023134
(207) 662-4618
fax (207) 662-6254

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
October 18, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Connecticut #56402 · Connecticut #245061

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346560406. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
233
Distinct HCPCS
6
Medicare allowed
$27,499
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 102 47 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 35 $180
99239 Hospital discharge day management, more than 30 minutes 34 32 $119
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 15 $123
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 20 20 $216
99238 Hospital discharge day management, 30 minutes or less 20 18 $84

In context: peer comparison

Among 34 peers in this city , average services per provider: 87. This provider delivers 2.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clifford Berg's medical specialty?
Dr. Clifford Berg practices Internal Medicine Physician in Waterbury, CT.
Where does Dr. Clifford Berg practice?
Dr. Clifford Berg practices at 56 Franklin St, Waterbury, CT 06706. Office phone: 2037096000.
What is Dr. Clifford Berg's NPI?
Dr. Clifford Berg's National Provider Identifier (NPI) is 1346560406, issued by NPPES.
Does Dr. Clifford Berg accept Medicare assignment?
Yes. Dr. Clifford Berg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clifford Berg commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.