Loren Shari Greenberg, MS, MD
Geriatric Medicine (Internal Medicine) Physician · New Haven, CT
Loren Shari Greenberg, MS, MD is a geriatric medicine (internal medicine) physician with a practice address in New Haven, Connecticut, and NPI 1730241357, issued on Dec 14, 2006. Check the license (Connecticut 66568, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Loren Shari Greenberg
- Credential
- MS, MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 66568 CT
211288 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Chapel St, New Haven, CT 06511
- Phone
- (203) 688-2204
- Enumerated
- Dec 14, 2006
- Record last updated
- Jan 16, 2024
- Fax
- (203) 688-3876
- Medicare enrollment
- Enrolled (PECOS I20201005000773); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1450 Chapel St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pirjo Aalto-Fischer, LCSWClinical Social Worker1225473655
- Elie AbdelnourPsychiatry Physician1790346070
- Katherine AdamsSpeech-Language Pathologist1023851821
- Oluwatosin Adeyemo, M.D. , MPHObstetrics Physician1447696844
- Elizabeth Ahmed, M.D.Family Medicine Physician1376551879
- Sohee Ahn, PHARMDPharmacist1649894387
Verify Loren Shari Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 66568Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,281 Medicare Part D claims for 261 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 57 claims were for opioids.
Most prescribed
- Escitalopram Oxalate73 claims
- Donepezil Hcl54 claims
- Trazodone Hcl50 claims
- Amlodipine Besylate41 claims
- Gabapentin41 claims
- Levothyroxine Sodium41 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): 92.6 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
- Northeast Medical Group IncNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Connecticut
There are 104 geriatric medicine (internal medicine) physician records in Connecticut.
Other geriatric medicine (internal medicine) physician records in Connecticut
- Moyosore Abimboye, M.D.New Haven, CT1174935209
- Joseph Agostini, MDNew Haven, CT1104832146
- Amir Ahmad, MDNorwich, CT1255502191
- Imran Ali, MDBridgeport, CT1093133134
- Joseph Anquillare, M.D.Hartford, CT1316043045
- Olusegun Apoeso, MDWest Hartford, CT1407838550
- Thomas Ashley, MDStamford, CT1932624236
- Leen Bakkali, MDNew Haven, CT1629261193
- Karina Berg, MDFarmington, CT1871617159
- Edward Berman, M.D.Ridgefield, CT1326082538
Common questions
What is Loren Shari Greenberg, MS, MD's NPI number?
Loren Shari Greenberg, MS, MD's National Provider Identifier (NPI) is 1730241357, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Loren Shari Greenberg, MS, MD located?
The NPPES record lists a practice address at 1450 Chapel St, New Haven, CT, 06511. Phone: (203) 688-2204. Providers update this record themselves, so call before visiting.
How can I verify Loren Shari Greenberg, MS, MD's license?
NPPES lists Connecticut license number 66568, 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 Loren Shari Greenberg, MS, MD prescribe under Medicare Part D?
In 2024, Loren Shari Greenberg, MS, MD had 1,281 Medicare Part D claims for 261 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Loren Shari Greenberg, MS, MD's MIPS final score?
The 2023 MIPS final score is 92.6 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.