Claudia Beth Gruss, M.D.
Gastroenterology Physician · Redding, CT
Claudia Beth Gruss, M.D. is a gastroenterology physician with a practice address in Redding, Connecticut, and NPI 1548207194, issued on Jun 1, 2006. Check the license (Connecticut 023644, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Claudia Beth Gruss
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 023644 CT
Self-reported in NPPES; status is on the state search - Practice location
- 73 Redding RD, Redding, CT 06896
- Phone
- (203) 544-9517
- Enumerated
- Jun 1, 2006
- Record last updated
- Dec 3, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 544-9568
- Medicaid ID
- 001236447 CT
- Medicare enrollment
- Enrolled (PECOS I20101014001067); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1977
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 73 Redding RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Hero, D.M.D.General Practice Dentistry1669632352
Verify Claudia Beth Gruss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 023644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.2 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).
Industry payments in 2024: $39.65
1 payment: food and beverage; the largest payer was Janssen Biotech, 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 one group practice
- Nuvance Health Medical Practice CT IncNorwalk, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claudia Beth Gruss among 336 gastroenterology physician records in Connecticut
Claudia Beth Gruss, 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
- Graduated1977 · median 2001 among the 255 with a school on file
- Record last updated2013 · 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).
1 gastroenterology physician record lists a practice address in Redding
They are 1 of the 53 NPPES records with a practice address in Redding, and 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in Redding → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sarah Kahn, MDWilton, CT 068971043385743
- Shannon MoralesWilton, CT 068971215371208
- Richard Sheinbaum, MDWilton, CT 068971386719995
- Jamil Alexis, MDStamford, CT 069021164927968
- Henry Beecher, M.D.Stamford, CT 069021396949582
- Robert Dettmer, MDStamford, CT 069021679648281
- Suma Magge, MDStamford, CT 069021619134392
- Robert Plansky, MDStamford, CT 069021780635888
Common questions
What is Claudia Beth Gruss, M.D.'s NPI number?
Claudia Beth Gruss, M.D.'s National Provider Identifier (NPI) is 1548207194, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Claudia Beth Gruss, M.D. located?
The NPPES record lists a practice address at 73 Redding RD, Redding, CT, 06896. Phone: (203) 544-9517. Providers update this record themselves, so call before visiting.
How can I verify Claudia Beth Gruss, M.D.'s license?
NPPES lists Connecticut license number 023644, 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.
What is Claudia Beth Gruss, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.