Rolf Knoll, MD
Internal Medicine Physician · West Hartford, CT
Rolf Knoll, MD is an internal medicine physician with a practice address in West Hartford, Connecticut, and NPI 1881696193, issued on Jun 1, 2005. Check the license (Connecticut 022935, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rolf Knoll
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 022935 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 Isham RD, West Hartford, CT 06107
- Phone
- (860) 527-1669
- Enumerated
- Jun 1, 2005
- Record last updated
- Mar 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (860) 527-1669
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 20 Isham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie BurtonAdult Health Nurse Practitioner1568619302
- Matthew Colliton, MDInternal Medicine Physician1609853126
- Lisa Hughes, MS, ATC-L, LMTAthletic Trainer1134322761
- Philip Karanian, MDInternal Medicine Physician1437136132
- Lisa Knoll, APRNPrimary Care Nurse Practitioner1740766500
- Gregory Walsh, MDInternal Medicine Physician1063496883
Verify Rolf Knoll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 022935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rolf Knoll among 2,623 internal medicine physician records in Connecticut
Rolf Knoll, 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2013 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- John Papandrea, MDWest Hartford, CT 061071083638837
- Julian Parsons, M.D.West Hartford, CT 061071639111008
- Mark Polatnick, M.D.West Hartford, CT 061071376562090
- Maria Quinones, M.DWest Hartford, CT 061071164567434
Common questions
What is Rolf Knoll, MD's NPI number?
Rolf Knoll, MD's National Provider Identifier (NPI) is 1881696193, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rolf Knoll, MD located?
The NPPES record lists a practice address at 20 Isham RD, West Hartford, CT, 06107. Phone: (860) 527-1669. Providers update this record themselves, so call before visiting.
How can I verify Rolf Knoll, MD's license?
NPPES lists Connecticut license number 022935, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.