Sharon Tan, MD
Internal Medicine Physician · West Hartford, CT
Sharon Tan, MD is an internal medicine physician with a practice address in West Hartford, Connecticut, and NPI 1801810668, issued on Jul 26, 2006. Check the license (Connecticut 039000, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sharon Tan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 039000 CT
03900 CT
Self-reported in NPPES; status is on the state search - Practice location
- 41 N Main St, West Hartford, CT 06107
- Phone
- (860) 313-0448
- Enumerated
- Jul 26, 2006
- Record last updated
- May 13, 2024
- Fax
- (860) 313-1464
- Medicaid ID
- 001390004 CT
- Medicare enrollment
- Enrolled (PECOS I20040914000224); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 41 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn Cohen, LCSWClinical Social Worker1013337047
- Lori Devito, LCSWClinical Social Worker1326584020
- Kathleen Johndrow, LCSWClinical Social Worker1023168143
- Michele Marek, APRNFamily Nurse Practitioner1144324229
- John Papandrea, MDInternal Medicine Physician1083638837
- Mark Polatnick, M.D.Internal Medicine Physician1376562090
Verify Sharon Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average internal medicine physician in 2024
3,826 Medicare Part D claims for 436 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 105 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium401 claims
- Atorvastatin Calcium285 claims
- Levothyroxine Sodium219 claims
- Amlodipine Besylate131 claims
- Lisinopril120 claims
- Olmesartan Medoxomil109 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: $1,168.38
51 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Bills Medicare through one group practice
- Collins Medical Associates 2 PCWest Hartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharon Tan among 2,623 internal medicine physician records in Connecticut
Sharon Tan, 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 fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 1,646 with a school on file
- Record last updated2024 · 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).
51 internal medicine physician records list a practice address in West Hartford
They are 51 of the 1,653 NPPES records with a practice address in West Hartford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in West Hartford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sally Ardolino, MDWest Hartford, CT 061071376569392
- Anthony Ardolino, MDWest Hartford, CT 061071386658276
- Matthew Colliton, MDWest Hartford, CT 061071609853126
- Philip Karanian, MDWest Hartford, CT 061071437136132
- Rolf Knoll, MDWest Hartford, CT 061071881696193
- John Papandrea, MDWest Hartford, CT 061071083638837
- Julian Parsons, M.D.West Hartford, CT 061071639111008
- Mark Polatnick, M.D.West Hartford, CT 061071376562090
Common questions
What is Sharon Tan, MD's NPI number?
Sharon Tan, MD's National Provider Identifier (NPI) is 1801810668, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sharon Tan, MD located?
The NPPES record lists a practice address at 41 N Main St, West Hartford, CT, 06107. Phone: (860) 313-0448. Providers update this record themselves, so call before visiting.
How can I verify Sharon Tan, MD's license?
NPPES lists Connecticut license number 039000, 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 Sharon Tan, MD prescribe under Medicare Part D?
In 2024, Sharon Tan, MD had 3,826 Medicare Part D claims for 436 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.