Patrick Paul Litonjua, MD
Endocrinology, Diabetes & Metabolism Physician · Janesville, WI
Patrick Paul Litonjua, MD is an endocrinology, diabetes & metabolism physician with a practice address in Janesville, Wisconsin, and NPI 1831297308, issued on Sep 20, 2006. Check the license (Wisconsin 52852-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Patrick Paul Litonjua
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 52852-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3524 E Milwaukee St, Janesville, WI 53546
- Phone
- (608) 756-7100
- Enumerated
- Sep 20, 2006
- Record last updated
- Sep 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (608) 756-4700
- Medicaid ID
- 1831297308 WI
- Medicare enrollment
- Enrolled (PECOS I20090803000279); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 187 in Wisconsin → Look up another NPI →
Also registered at 3524 E Milwaukee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hamid Bashir, MDRheumatology Physician1225257694
- Ryndon Bautista, M.D.Internal Medicine Physician1225230170
Verify Patrick Paul Litonjua in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 52852-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
6,183 Medicare Part D claims for 600 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 60% of claims.
Most prescribed
- Ozempic521 claims
- Lantus Solostar487 claims
- Levothyroxine Sodium360 claims
- Trulicity352 claims
- Metformin Hcl Er332 claims
- Jardiance292 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.
Industry payments in 2024: $101.28
5 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Mercy Health System CorporationJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Paul Litonjua among 187 endocrinology, diabetes & metabolism physician records in Wisconsin
Patrick Paul Litonjua, MD is one of 187 endocrinology, diabetes & metabolism physician records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2003 among the 134 with a school on file
- Record last updated2012 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Wisconsin
There are 187 endocrinology, diabetes & metabolism physician records in Wisconsin.
All 187 in Wisconsin → Every provider in Janesville → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Paul Bekx, MDMonroe, WI 535661902857634
- Richard Weirich, MDBeloit, WI 535111528113214
- Boby Theckedath, M.DMount Pleasant, WI 534061194788315
- Amy Fisco, M.D.Mount Pleasant, WI 534051346467958
- Steven Rabinowe, M.D.Racine, WI 534021386759389
- Kenneth Patrick Ligaray, M.D.Madison, WI 537031215139951
- Deborah Wubben, MDMadison, WI 537031831132000
- Monica BhanotMadison, WI 537051932588290
Common questions
What is Patrick Paul Litonjua, MD's NPI number?
Patrick Paul Litonjua, MD's National Provider Identifier (NPI) is 1831297308, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Paul Litonjua, MD located?
The NPPES record lists a practice address at 3524 E Milwaukee St, Janesville, WI, 53546. Phone: (608) 756-7100. Providers update this record themselves, so call before visiting.
How can I verify Patrick Paul Litonjua, MD's license?
NPPES lists Wisconsin license number 52852-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Paul Litonjua, MD prescribe under Medicare Part D?
In 2024, Patrick Paul Litonjua, MD had 6,183 Medicare Part D claims for 600 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
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.