Doctor profile · Federal record

Dr. Caryn Berkowitz, MD

Gastroenterology Physician (CMS: Gastroenterology) · Iowa City, IA

  • NPI 1780625301
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr, Department of Internal Medicine
Iowa City, IA 522421009
(319) 356-4901
fax (319) 384-8559

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 2, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Iowa #MD42073
Medicaid
WA #8019804

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780625301. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
331
Distinct HCPCS
8
Medicare allowed
$31,151
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 182 60 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 36 $162
99215 Established patient office or other outpatient visit, 40-54 minutes 30 21 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 22 14 $91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 22 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 14 12 $134
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 13 13 $5
45380 Biopsy of large bowel using a flexible endoscope 11 11 $107

In context: peer comparison

Among 14 peers in Iowa City Gastroenterology Physician, average services per provider: 36. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
0
Total drug cost
$77,817
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 68 0 $1,525
Sodium Chloride (0.9 % Sodium Chloride) Brand 65 0 $3,292
Pantoprazole Sodium Generic 53 0 $989
Lactated Ringers (Ringer's Solution,Lactated) Brand 52 0 $4,027
Diphenhydramine Hcl Generic 44 0 $1,860
Promethazine Hcl Generic 41 0 $626
Creon (Lipase/Protease/Amylase) Brand 37 0 $55,240
Famotidine (Famotidine/Pf) Brand 35 0 $506
Omeprazole Generic 25 0 $301
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 23 0 $3,055

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Caryn Berkowitz's medical specialty?
Dr. Caryn Berkowitz practices Gastroenterology Physician in Iowa City, IA.
Where does Dr. Caryn Berkowitz practice?
Dr. Caryn Berkowitz practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193564901.
What is Dr. Caryn Berkowitz's NPI?
Dr. Caryn Berkowitz's National Provider Identifier (NPI) is 1780625301, issued by NPPES.
Does Dr. Caryn Berkowitz accept Medicare assignment?
Yes. Dr. Caryn Berkowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caryn Berkowitz 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.