Catherine Spinney Joyce
Internal Medicine Physician · Greenwich, CT
Catherine Spinney Joyce is an internal medicine physician with a practice address in Greenwich, Connecticut, and NPI 1265850218, issued on Apr 6, 2014. Check the license (Connecticut 056933, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Catherine Spinney Joyce
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 056933 CT
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3409
- Enumerated
- Apr 6, 2014
- Record last updated
- Jan 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Spinney Joyce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 056933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
777 Medicare Part D claims for 93 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 14 claims were for opioids.
Most prescribed
- Losartan Potassium45 claims
- Atorvastatin Calcium43 claims
- Rosuvastatin Calcium40 claims
- Amlodipine Besylate36 claims
- Atenolol23 claims
- Escitalopram Oxalate23 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: $810.77
39 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Catherine Spinney Joyce among 2,623 internal medicine physician records in Connecticut
Catherine Spinney Joyce is one of 2,623 internal medicine physician records with a practice address in Connecticut. 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 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 internal medicine physician records list a practice address in Greenwich
They are 54 of the 1,184 NPPES records with a practice address in Greenwich, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Greenwich → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Alleva, MDGreenwich, CT 068301518938778
- Joseph Andrews, M.D.Greenwich, CT 068301740280411
- Allen Chodock, MDGreenwich, CT 068301811928138
- John Delvecchio, MDGreenwich, CT 068301619990868
- Stephen Jones, M.D.Greenwich, CT 068301174547038
- Ellika Mardh, M.D.Greenwich, CT 068301235150145
- Mohammad Reza Moienafshari, M.D.Greenwich, CT 068301154396893
- Marcelyn Molloy, MDGreenwich, CT 068301053301358
Common questions
What is Catherine Spinney Joyce's NPI number?
Catherine Spinney Joyce's National Provider Identifier (NPI) is 1265850218, issued on Apr 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Spinney Joyce located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3409. Providers update this record themselves, so call before visiting.
How can I verify Catherine Spinney Joyce's license?
NPPES lists Connecticut license number 056933, 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 Catherine Spinney Joyce prescribe under Medicare Part D?
In 2024, Catherine Spinney Joyce had 777 Medicare Part D claims for 93 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.