Walter P. Farrell, MD
Internal Medicine Physician · Lawrence, KS
Walter P. Farrell, MD is an internal medicine physician with a practice address in Lawrence, Kansas, and NPI 1750375663, issued on Sep 7, 2005. Check the license (Kansas 26520, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Walter P. Farrell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 26520 KS
41096 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1112 W 6TH St Ste 101, Lawrence, KS 66044
- Phone
- (785) 505-5888
- Enumerated
- Sep 7, 2005
- Record last updated
- Oct 13, 2023
- Fax
- (785) 505-5306
- Medicaid ID
- 32567700 WI
- Medicare enrollment
- Enrolled (PECOS I20071029000342); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,010 in Kansas → Look up another NPI →
Also registered at 1112 W 6TH St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Bihlmaier, D.O./M.B.A.Internal Medicine Physician1619276979
- Jennifer Dixon, APRNFamily Nurse Practitioner1942624903
- James Hoffmann, M.D.Gastroenterology Physician1609971258
- Walter Ingram, M.D.Internal Medicine Physician1417096389
- Shila PoudelInternal Medicine Physician1154016459
- Sherri Vaughn, MDFamily Medicine Physician1356344709
Verify Walter P. Farrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 26520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,919 Medicare Part D claims for 551 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 685 claims were for opioids.
Most prescribed
- Atorvastatin Calcium514 claims
- Levothyroxine Sodium422 claims
- Amlodipine Besylate409 claims
- Losartan Potassium404 claims
- Pantoprazole Sodium274 claims
- Omeprazole263 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $254.27
15 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lawrence Physicians LLCLawrence, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter P. Farrell among 1,010 internal medicine physician records in Kansas
Walter P. Farrell, MD is one of 1,010 internal medicine physician records with a practice address in Kansas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1989 · median 2008 among the 568 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Lawrence
They are 38 of the 2,173 NPPES records with a practice address in Lawrence, and 1,010 internal medicine physician records in Kansas.
All 1,010 in Kansas → Every provider in Lawrence → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joan Brunfeldt, M.D.Lawrence, KS 660441760587331
- Robert Gorman, M.D.Lawrence, KS 660441992737100
- Matthew Harms, M.D.Lawrence, KS 660441063421931
- Donald Hatton, M.D.Lawrence, KS 660441083719645
- Stanley Hornbaker, MDLawrence, KS 660441558370387
- Eric Huerter, M.D.Lawrence, KS 660441225133812
- Brian Hunt, MDLawrence, KS 660441164440319
- Walter Ingram, M.D.Lawrence, KS 660441417096389
Common questions
What is Walter P. Farrell, MD's NPI number?
Walter P. Farrell, MD's National Provider Identifier (NPI) is 1750375663, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Walter P. Farrell, MD located?
The NPPES record lists a practice address at 1112 W 6TH St Ste 101, Lawrence, KS, 66044. Phone: (785) 505-5888. Providers update this record themselves, so call before visiting.
How can I verify Walter P. Farrell, MD's license?
NPPES lists Kansas license number 26520, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Walter P. Farrell, MD prescribe under Medicare Part D?
In 2024, Walter P. Farrell, MD had 9,919 Medicare Part D claims for 551 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Walter P. Farrell, MD's MIPS final score?
The 2023 MIPS final score is 85.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.