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ROLF KNOLL MD
NPI 1881696193
Internal Medicine in West Hartford, CT

Active since June 01, 2005PECOS Enrolled
20 ISHAM RD, SUITE 150, WEST HARTFORD, CT 06107(860) 527-1669(860) 527-1669 Get Directions Write a Review

NPPES record last updated: March 19, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Rolf Knoll Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROLF KNOLL MD (NPI 1881696193) is an individual internal medicine provider in West Hartford, Connecticut, licensed in Connecticut (022935) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881696193
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROLF KNOLLCredential: MD
Location Address20 ISHAM RD, SUITE 150West Hartford, CT 06107-2204
Mailing Address30 Jordan LnWethersfield, CT 06109-1278 · (860) 263-0253 · Fax (860) 263-0262
Phone(860) 527-1669
Fax(860) 527-1669
Sole ProprietorNo
Enumeration DateJune 1, 2005
Last NPPES UpdateMarch 19, 2013
✔ NPI 1881696193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 022935
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
20 ISHAM RD, West Hartford, CT 06107
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Other Identifiers 2

Medicare UPINB84422CT
Medicare ID-Type Unspecified110009523CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rolf Knoll Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Rolf Knoll reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prime Healthcare, PC
4.6 mi
Internal Medicine
30 JORDAN LN
Wethersfield, CT 06109
  • Reassigned Medicare billing, Connecticut enrollment
  • 116 clinicians in this Medicare group
NPI 1184819302 (860) 263-0253

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. GREGORY C WALSH MD
Internal Medicine
20 ISHAM RD, SUITE 150
WEST HARTFORD, CT 06107
Capitol Planning Region (860) 527-1669
MS. LISA PATRICIA HUGHES MS, ATC-L, LMT
Specialist/Technologist (Athletic Trainer)
20 ISHAM RD
WEST HARTFORD, CT 06107
Capitol Planning Region (860) 761-1083
PHILIP J KARANIAN MD
Internal Medicine
20 ISHAM RD, SUITE 150
WEST HARTFORD, CT 06107
Capitol Planning Region (860) 522-6118
MISS MARIE ELIZABETH BURTON
Nurse Practitioner (Adult Health)
20 ISHAM RD
WEST HARTFORD, CT 06107
Capitol Planning Region (860) 527-1669
DR. MATTHEW F COLLITON MD
Internal Medicine
20 ISHAM RD, SUITE 150
WEST HARTFORD, CT 06107
Capitol Planning Region (860) 527-1669
LISA ANNE KNOLL APRN
Nurse Practitioner (Primary Care)
20 ISHAM RD
WEST HARTFORD, CT 06107
Capitol Planning Region (860) 527-1669

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rolf Knoll's NPI number?

The NPI number for Rolf Knoll is 1881696193. It was assigned to this individual provider in the NPPES registry on June 1, 2005.

Where is Rolf Knoll located?

Rolf Knoll practices at 20 Isham Rd Suite 150, West Hartford, CT 06107. The listed phone number is (860) 527-1669.

What is Rolf Knoll's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rolf Knoll enrolled in Medicare?

Yes. Rolf Knoll is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rolf Knoll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rolf Knoll reassigns Medicare benefits to Prime Healthcare, PC (Wethersfield, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rolf Knoll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rolf Knoll was last updated on March 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.