NPPES file of Aug 9, 2026

Ronald Timothy Greene, M.D.

Orthopaedic Surgery Physician · Greenwich, CT

Ronald Timothy Greene, M.D. is an orthopaedic surgery physician with a practice address in Greenwich, Connecticut, and NPI 1861678542, issued on Jan 13, 2008. Check the license (Connecticut 047609, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861678542
Name
Ronald Timothy Greene
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
047609 CT
Self-reported in NPPES; status is on the state search
Practice location
6 Greenwich Office Park, Greenwich, CT 06831
Phone
(203) 869-1145
Enumerated
Jan 13, 2008
Record last updated
Mar 6, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(203) 618-1721
Medicare enrollment
Enrolled (PECOS I20171107000215); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6 Greenwich Office Park

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Feyisara Adaramola, PTPhysical Therapist1649664327
  2. Moha Ahuja, D.O.Sports Medicine (Family Medicine) Physician1255587218
  3. Paul Apostolides, MDNeurological Surgery Physician1265403927
  4. Jonathan Berliner, M.D.Orthopaedic Surgery Physician1063706232
  5. Carlye Bianco, PA-CPhysician Assistant1134645211
  6. Yaryna Bilinska, PTAPhysical Therapy Assistant1104338771

Verify Ronald Timothy Greene in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 047609
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

179 Medicare Part D claims for 127 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.

  1. Ronald Greene179
  2. Specialty average346

Most prescribed

  1. Meloxicam115 claims
  2. Methylprednisolone51 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.

Bills Medicare through one group practice

  1. Orthopaedic And Neurosurgery Specialists, PLLCHarrison, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ronald Timothy Greene among 348 orthopaedic surgery physician records in Connecticut

Ronald Timothy Greene, M.D. is one of 348 orthopaedic surgery physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 69% of them.

  • NPI issued2008 · 69% of these records are older, 27% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2003 · median 2000 among the 224 with a school on file
  • Record last updated2017 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 orthopaedic surgery physician records list a practice address in Greenwich

They are 15 of the 1,184 NPPES records with a practice address in Greenwich, and 348 orthopaedic surgery physician records in Connecticut.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Jonathan Berliner, M.D.Greenwich, CT 068311063706232
  2. Kevin Choo, M.D.Greenwich, CT 068311952746836
  3. Michael Clain, MDGreenwich, CT 068311760453336
  4. John Crowe, MDGreenwich, CT 068311528039195
  5. James Cunningham, MDGreenwich, CT 068311346211703
  6. Demetris Delos, M.D.Greenwich, CT 068311528225414
  7. Francis Ennis, MDGreenwich, CT 068311144200031
  8. Steven Hindman, MDGreenwich, CT 068311104897784

Common questions

What is Ronald Timothy Greene, M.D.'s NPI number?

Ronald Timothy Greene, M.D.'s National Provider Identifier (NPI) is 1861678542, issued on Jan 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Timothy Greene, M.D. located?

The NPPES record lists a practice address at 6 Greenwich Office Park, Greenwich, CT, 06831. Phone: (203) 869-1145. Providers update this record themselves, so call before visiting.

How can I verify Ronald Timothy Greene, M.D.'s license?

NPPES lists Connecticut license number 047609, 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 Ronald Timothy Greene, M.D. prescribe under Medicare Part D?

In 2024, Ronald Timothy Greene, M.D. had 179 Medicare Part D claims for 127 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.