Lorenzo Rossaro, MD
Gastroenterology Physician · Woodland, CA
Lorenzo Rossaro, MD is a gastroenterology physician with a practice address in Woodland, California, and NPI 1750368163, issued on Dec 28, 2005. Check the license (California A68436, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lorenzo Rossaro
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A68436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1321 Cottonwood St FL 3, Woodland, CA 95695
- Phone
- (530) 668-2600
- Enumerated
- Dec 28, 2005
- Record last updated
- Sep 26, 2025
- Fax
- (530) 669-5446
- Medicare enrollment
- Enrolled (PECOS I20080811000277); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1321 Cottonwood St FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carolyn Merkouris, MDSpecialist1174503395
- Nathaniel Ngo, MDObstetrics & Gynecology Physician1497913404
- Emese Parker, NPObstetrics & Gynecology Nurse Practitioner1508196379
- Rafiq Sheikh, MDGastroenterology Physician1699853325
- Natasha Simon, PA-CPhysician Assistant1508535485
Verify Lorenzo Rossaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average gastroenterology physician in 2024
1,003 Medicare Part D claims for 234 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Spironolactone127 claims
- Xifaxan114 claims
- Furosemide111 claims
- Lactulose88 claims
- Ursodiol85 claims
- Tacrolimus70 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): 85.2 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: $104,164.56
101 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 2 group practices
- Dignity Health Medical FoundationWoodland, CA
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lorenzo Rossaro among 2,140 gastroenterology physician records in California
Lorenzo Rossaro, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1982 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Woodland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Brant Lutsi, M.D.Woodland, CA 956951265608186
- Henry Mok, M.D.Woodland, CA 956951710903125
- Rafiq Sheikh, MDWoodland, CA 956951699853325
- Jason Umphress, M.D.Woodland, CA 956951194741595
- Lanchinh Nguyen, MDVacaville, CA 956881487732921
- Wai Kan Chiu, M.D., PH.D.Cameron Park, CA 956821801258686
- Matthew Cole, M.D., M.P.H.Cameron Park, CA 956821851450522
- Russell Jacoby, MDCameron Park, CA 956821700852878
Common questions
What is Lorenzo Rossaro, MD's NPI number?
Lorenzo Rossaro, MD's National Provider Identifier (NPI) is 1750368163, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lorenzo Rossaro, MD located?
The NPPES record lists a practice address at 1321 Cottonwood St FL 3, Woodland, CA, 95695. Phone: (530) 668-2600. Providers update this record themselves, so call before visiting.
How can I verify Lorenzo Rossaro, MD's license?
NPPES lists California license number A68436, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lorenzo Rossaro, MD prescribe under Medicare Part D?
In 2024, Lorenzo Rossaro, MD had 1,003 Medicare Part D claims for 234 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Lorenzo Rossaro, MD's MIPS final score?
The 2023 MIPS final score is 85.2 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.