Doctor profile · Federal record

Dr. James Ha, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Elmhurst, IL

  • NPI 1932251527
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
155 E Brush Hill RD
Elmhurst, IL 60126
(331) 221-8952
fax (331) 221-3782
Mailing address
4201 Winfield RD Fl 3
Warrenville, IL 605554025

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 22, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (4)
Illinois #036124196 · Illinois #036-124196. · Massachusetts #229791 · Illinois #036.124196

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932251527. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,161
Distinct HCPCS
6
Medicare allowed
$139,940
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 706 280 $125
99239 Hospital discharge day management, more than 30 minutes 264 255 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 122 80 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 26 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $69

In context: peer comparison

Among 10 peers in Elmhurst Hospitalist Physician, average services per provider: 193. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Mylan Specialty L.P. 1 $23.52

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
74
Total drug cost
$1,439
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 24 20 $290
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 20 $120
Prednisone Generic 19 19 $56
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 16 0 $804
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $117
Amlodipine Besylate Generic 13 0 $53

Frequently asked questions

Auto-generated from federal data
What is Dr. James Ha's medical specialty?
Dr. James Ha practices Hospitalist Physician in Elmhurst, IL.
Where does Dr. James Ha practice?
Dr. James Ha practices at 155 E Brush Hill RD, Elmhurst, IL 60126. Office phone: 3312218952.
What is Dr. James Ha's NPI?
Dr. James Ha's National Provider Identifier (NPI) is 1932251527, issued by NPPES.
Does Dr. James Ha accept Medicare assignment?
Yes. Dr. James Ha accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Ha commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.