Doctor profile · Federal record

Dr. Catherine Wolff, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · South Bend, IN

  • NPI 1154378602
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1815 E Ireland RD
South Bend, IN 466142845
(574) 647-1700
Mailing address
710 N Niles Ave
South Bend, IN 466171924

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 6, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #02004729A · Iowa #3357
Medicaid
IN #201332450

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154378602. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,799
Distinct HCPCS
10
Medicare allowed
$134,447
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 660 217 $118
36415 Insertion of needle into vein for collection of blood sample 423 196 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 179 179 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 111 84 $81
G0444 Annual depression screening, 5 to 15 minutes 111 111 $17
G0008 Administration of influenza virus vaccine 55 54 $29
96372 Injection of drug or substance under skin or into muscle 50 21 $13
90662 Influenza vaccine split virus, preservative free 49 48 $72
81003 Automated urinalysis test 21 19 $2
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 18 18 $281

In context: peer comparison

Among 19 peers in this city , average services per provider: 131. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,229
Transactions
66
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 11 $210.02
PFIZER INC. 15 $160.22
Lilly USA, LLC 11 $153.88
Novo Nordisk Inc 6 $103.70
ABBVIE INC. 4 $72.17
Amgen Inc. 4 $63.66
Astellas Pharma US Inc 2 $45.84
Sumitomo Pharma America, Inc. 2 $41.92
GlaxoSmithKline, LLC. 3 $41.23
Dexcom, Inc. 2 $32.89
Lundbeck LLC 2 $31.01
Axsome Therapeutics, Inc. 1 $29.54
Inspire Medical Systems, Inc. 1 $28.48
Corium, LLC 1 $28.36
Phathom Pharmaceuticals, Inc. 1 $22.48

By nature of payment

Food and Beverage
$1,229

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,542
Patients
1,023
Total drug cost
$56,093
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 515 145 $5,584
Levothyroxine Sodium Generic 449 111 $9,053
Losartan Potassium Generic 316 90 $4,541
Amlodipine Besylate Generic 313 89 $2,111
Lisinopril Generic 231 60 $2,588
Pantoprazole Sodium Generic 226 72 $4,170
Duloxetine Hcl Generic 220 57 $9,472
Gabapentin Generic 203 59 $4,790
Hydrochlorothiazide Generic 198 64 $663
Omeprazole Generic 182 52 $3,708

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Wolff's medical specialty?
Dr. Catherine Wolff practices Internal Medicine Physician in South Bend, IN.
Where does Dr. Catherine Wolff practice?
Dr. Catherine Wolff practices at 1815 E Ireland RD, South Bend, IN 466142845. Office phone: 5746471700.
What is Dr. Catherine Wolff's NPI?
Dr. Catherine Wolff's National Provider Identifier (NPI) is 1154378602, issued by NPPES.
Does Dr. Catherine Wolff accept Medicare assignment?
Yes. Dr. Catherine Wolff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Wolff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.