Doctor profile · Federal record

Dr. Clive Johnson, D.O

Internal Medicine Physician (CMS: Hospitalist) · Stamford, CT

  • NPI 1053500447
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
One Hospital Plaza
Stamford, CT 06904
(203) 276-7298
fax (203) 355-4842

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
April 15, 2016
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #047287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053500447. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
89
Distinct HCPCS
2
Medicare allowed
$15,715
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 77 75 $183
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $137

In context: peer comparison

Among 38 peers in this city , average services per provider: 99. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$445
Transactions
20
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 3 $254.48
ABBVIE INC. 15 $163.53
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $27.10

By nature of payment

Food and Beverage
$445

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clive Johnson's medical specialty?
Dr. Clive Johnson practices Internal Medicine Physician in Stamford, CT.
Where does Dr. Clive Johnson practice?
Dr. Clive Johnson practices at One Hospital Plaza, Stamford, CT 06904. Office phone: 2032767298.
What is Dr. Clive Johnson's NPI?
Dr. Clive Johnson's National Provider Identifier (NPI) is 1053500447, issued by NPPES.
Does Dr. Clive Johnson accept Medicare assignment?
Yes. Dr. Clive Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clive Johnson commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.