Lauren Marcus Doherty, MD
Internal Medicine Physician · New London, CT
Lauren Marcus Doherty, MD is an internal medicine physician with a practice address in New London, Connecticut, and NPI 1306937255, issued on Sep 27, 2006. Check the license (Connecticut 044617, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lauren Marcus Doherty
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 044617 CT
Self-reported in NPPES; status is on the state search - Practice location
- 365 Montauk Ave, New London, CT 06320
- Phone
- (860) 442-0711
- Enumerated
- Sep 27, 2006
- Record last updated
- Sep 24, 2025
- Fax
- (860) 444-5114
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 365 Montauk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lauren Marcus Doherty in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 044617Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
5,587 Medicare Part D claims for 199 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 39 claims were for opioids.
Most prescribed
- Trazodone Hcl351 claims
- Eliquis321 claims
- Levothyroxine Sodium297 claims
- Atorvastatin Calcium279 claims
- Furosemide229 claims
- Potassium Chloride206 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.
Lauren Marcus Doherty among 2,623 internal medicine physician records in Connecticut
Lauren Marcus Doherty, MD 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 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).
29 internal medicine physician records list a practice address in New London
They are 29 of the 1,218 NPPES records with a practice address in New London, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in New London → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Craig Buggeln, M.D.New London, CT 063201831197565
- H. Carter, M.D.New London, CT 063201487750733
- Michael Chianuri, MDNew London, CT 063201225071533
- William Colom, MDNew London, CT 063201558465849
- Carmine Crispino, M.D.New London, CT 063201861467367
- Patricia Cronin, MDNew London, CT 063201720182108
- Stephen Ducey, MDNew London, CT 063201841394137
- John Garvey, MDNew London, CT 063201891899464
Common questions
What is Lauren Marcus Doherty, MD's NPI number?
Lauren Marcus Doherty, MD's National Provider Identifier (NPI) is 1306937255, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Marcus Doherty, MD located?
The NPPES record lists a practice address at 365 Montauk Ave, New London, CT, 06320. Phone: (860) 442-0711. Providers update this record themselves, so call before visiting.
How can I verify Lauren Marcus Doherty, MD's license?
NPPES lists Connecticut license number 044617, 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 Lauren Marcus Doherty, MD prescribe under Medicare Part D?
In 2024, Lauren Marcus Doherty, MD had 5,587 Medicare Part D claims for 199 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.