Ronald Zviti, M.D.
Pediatric Nephrology Physician · Portland, ME
Ronald Zviti, M.D. is a pediatric nephrology physician with a practice address in Portland, Maine, and NPI 1194042481, issued on Apr 26, 2010. Check the license (Maine MD21830, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ronald Zviti
- Credential
- M.D.
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License numbers
- MD21830 ME
M-17035 ID
264365 NY
Self-reported in NPPES; status is on the state search - Practice location
- 887 Congress St Ste 300, Portland, ME 04102
- Phone
- (207) 662-5522
- Enumerated
- Apr 26, 2010
- Record last updated
- Mar 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20171204001060); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
4 nearest pediatric nephrology physician records → All 5 in Maine → Look up another NPI →
Also registered at 887 Congress St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raechell Kearney, OTOccupational Therapist1346765633
- Hillary Littlefield, OTOccupational Therapist1609391408
- Anthony Perry, OTOccupational Therapist1427573716
- Ina St. Onge, DOPediatric Pulmonology Physician1730591074
Verify Ronald Zviti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD21830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average pediatric nephrology physician in 2024
53 Medicare Part D claims, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Hydrochlorothiazide14 claims
- Potassium Citrate Er14 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Nephrology Physician providers in Maine
There are 5 pediatric nephrology physician records in Maine.
All 5 in Maine → Every provider in Portland → Pediatric Nephrology Physician nationwide →
The 4 pediatric nephrology physician records with the nearest ZIP codes
- Oliver Fremont, M.D.Portland, ME 041021730127036
- Carrie Gordon, MDPortland, ME 041021215020755
- Kaitlyn Order, M.D.Portland, ME 041021437681319
- Marie Tanzer, MDPortland, ME 041021043492473
Common questions
What is Ronald Zviti, M.D.'s NPI number?
Ronald Zviti, M.D.'s National Provider Identifier (NPI) is 1194042481, issued on Apr 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Zviti, M.D. located?
The NPPES record lists a practice address at 887 Congress St Ste 300, Portland, ME, 04102. Phone: (207) 662-5522. Providers update this record themselves, so call before visiting.
How can I verify Ronald Zviti, M.D.'s license?
NPPES lists Maine license number MD21830, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald Zviti, M.D. prescribe under Medicare Part D?
In 2024, Ronald Zviti, M.D. had 53 Medicare Part D claims; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.
What is Ronald Zviti, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.