Doctor profile · Federal record

Dr. Walter Farrell, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Lawrence, KS

  • NPI 1750375663
  • Accepts Medicare
  • MIPS 85.4 / 100 · 2023
  • 37 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1112 W 6Th St Ste 101
Lawrence, KS 660442247
(785) 505-5888
fax (785) 505-5306
Mailing address
325 Maine Street, Mso Library
Lawrence, KS 66044

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
October 13, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Kansas #26520 · Wisconsin #41096
Medicaid
WI #32567700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750375663. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,743
Distinct HCPCS
10
Medicare allowed
$237,096
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,860 18 $23
36415 Insertion of needle into vein for collection of blood sample 638 421 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 625 309 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 387 267 $120
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 195 36 $59
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 188 33 $45
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 146 146 $122
G0008 Administration of influenza virus vaccine 95 94 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 85 84 $76
99215 Established patient office or other outpatient visit, 40-54 minutes 83 74 $169

In context: peer comparison

Among 13 peers in Lawrence Internal Medicine Physician, average services per provider: 121. This provider delivers 39× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$254
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Amgen INC. 3 $46.79
Astellas Pharma US INC 3 $42.89
Lilly USA, LLC 2 $37.47
Radius Health, INC. 1 $33.39
GlaxoSmithKline, LLC. 2 $32.67
Novo Nordisk INC 2 $31.31
Takeda Pharmaceuticals U.S.A., INC. 1 $16.22
Phathom Pharmaceuticals, INC. 1 $13.53

By nature of payment

Food and Beverage
$254

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,048
Patients
919
Total drug cost
$51,879
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 501 123 $5,977
Amlodipine Besylate Generic 405 94 $2,940
Levothyroxine Sodium Generic 384 89 $4,883
Losartan Potassium Generic 384 85 $5,841
Omeprazole Generic 260 67 $3,883
Oxycodone Hcl Generic 253 26 $3,813
Lisinopril Generic 237 64 $2,090
Gabapentin Generic 234 52 $4,292
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 223 33 $6,476
Simvastatin Generic 207 47 $1,826

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Farrell's medical specialty?
Dr. Walter Farrell practices Internal Medicine Physician in Lawrence, KS.
Where does Dr. Walter Farrell practice?
Dr. Walter Farrell practices at 1112 W 6Th St Ste 101, Lawrence, KS 660442247. Office phone: 7855055888.
What is Dr. Walter Farrell's NPI?
Dr. Walter Farrell's National Provider Identifier (NPI) is 1750375663, issued by NPPES.
Does Dr. Walter Farrell accept Medicare assignment?
Yes. Dr. Walter Farrell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Farrell commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.