Doctor profile · Federal record

Dr. Diane Kuehl, MD

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

  • NPI 1598286940
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
22 Old Waterbury RD
Southbury, CT 064883848
(203) 262-4200
Additional location
1818 N Meade St
Appleton, WI 549113454
(920) 735-7645
Mailing address
5008 N Mary Martin Dr
Appleton, WI 549138061

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
June 7, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Connecticut #78134 · Wisconsin #73822 · Michigan #4301113414

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598286940. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
613
Distinct HCPCS
5
Medicare allowed
$55,874
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 363 151 $74
99239 Hospital discharge day management, more than 30 minutes 120 117 $107
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 62 41 $112
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 48 48 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $163

In context: peer comparison

Among 7 peers in Southbury Internal Medicine Physician, average services per provider: 105. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
360
Patients
106
Total drug cost
$22,261
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 39 20 $669
Eliquis (Apixaban) Brand 36 12 $19,023
Furosemide Generic 34 16 $242
Atorvastatin Calcium Generic 33 0 $374
Lisinopril Generic 29 13 $169
Metoprolol Tartrate Generic 25 11 $191
Amlodipine Besylate Generic 21 0 $141
Rosuvastatin Calcium Generic 21 0 $133
Ciprofloxacin Hcl Generic 20 19 $104
Hydralazine Hcl Generic 19 0 $279

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Kuehl's medical specialty?
Dr. Diane Kuehl practices Internal Medicine Physician in Southbury, CT.
Where does Dr. Diane Kuehl practice?
Dr. Diane Kuehl practices at 22 Old Waterbury RD, Southbury, CT 064883848. Office phone: 2032624200.
What is Dr. Diane Kuehl's NPI?
Dr. Diane Kuehl's National Provider Identifier (NPI) is 1598286940, issued by NPPES.
Does Dr. Diane Kuehl accept Medicare assignment?
Yes. Dr. Diane Kuehl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Kuehl commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.