William J. Ravich, M.D.
Gastroenterology Physician · New Haven, CT
William J. Ravich, M.D. is a gastroenterology physician with a practice address in New Haven, Connecticut, and NPI 1639111842, issued on Jun 12, 2006. Check the license (Connecticut 56910, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William J. Ravich
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 56910 CT
Self-reported in NPPES; status is on the state search - Practice location
- 40 Temple St Ste 1A, New Haven, CT 06510
- Phone
- (203) 785-4138
- Enumerated
- Jun 12, 2006
- Record last updated
- Jan 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 737-1345
- Medicaid ID
- 317921400 MD
- Medicare enrollment
- Enrolled (PECOS I20180220001055); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 40 Temple St Ste 1A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Amoona, PA-CMedical Physician Assistant1396254348
- Michaela Auscavitch, APRNFamily Nurse Practitioner1063161081
- Bubu Banini, MD PHDInternal Medicine Physician1427320985
- Qendresa BeqiriFamily Nurse Practitioner1740791144
- Sarah Halloran, PA-CMedical Physician Assistant1316183726
- Alexander Levy, MDGastroenterology Physician1497022297
Verify William J. Ravich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 56910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average gastroenterology physician in 2024
349 Medicare Part D claims for 108 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Omeprazole74 claims
- Esomeprazole Magnesium61 claims
- Pantoprazole Sodium60 claims
- Famotidine51 claims
- Linzess21 claims
- Ondansetron Odt11 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): 73.6 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).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Ravich among 336 gastroenterology physician records in Connecticut
William J. Ravich, M.D. is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1975 · median 2001 among the 255 with a school on file
- Record last updated2018 · 69% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Connecticut
There are 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in New Haven → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Harry Aslanian, MDNew Haven, CT 065101295718401
- Sidney Bogardus, MDNew Haven, CT 065101730131103
- James Boyer, M.D.New Haven, CT 065101447233267
- Samuel Feldshon, MDNew Haven, CT 065101861464547
- Rosemarie Fisher, MDNew Haven, CT 065101174507685
- Guadalupe Garcia Tsao, MDNew Haven, CT 065101194706416
- Wolfram Goessling, MD PHDNew Haven, CT 065101083696298
- Chul Hyun, MDNew Haven, CT 065101467540401
Common questions
What is William J. Ravich, M.D.'s NPI number?
William J. Ravich, M.D.'s National Provider Identifier (NPI) is 1639111842, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Ravich, M.D. located?
The NPPES record lists a practice address at 40 Temple St Ste 1A, New Haven, CT, 06510. Phone: (203) 785-4138. Providers update this record themselves, so call before visiting.
How can I verify William J. Ravich, M.D.'s license?
NPPES lists Connecticut license number 56910, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William J. Ravich, M.D. prescribe under Medicare Part D?
In 2024, William J. Ravich, M.D. had 349 Medicare Part D claims for 108 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is William J. Ravich, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.