IAN ELLIOTT KROP MD PHD
NPI 1033187455
Internal Medicine - Medical Oncology in New Haven, CT
About Ian Elliott Krop Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN ELLIOTT KROP MD PHD (NPI 1033187455) is an individual medical oncology provider in New Haven, Connecticut, licensed in Connecticut (71123) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Johns Hopkins University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 10
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ian Elliott Krop Md Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ian Krop reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ian Krop's NPI number?
The NPI number for Ian Krop is 1033187455. It was assigned to this individual provider in the NPPES registry on March 10, 2006.
Where is Ian Krop located?
Ian Krop practices at 35 Park St, New Haven, CT 06519. The listed phone number is (203) 200-2328.
What is Ian Krop's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Ian Krop enrolled in Medicare?
Yes. Ian Krop is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ian Krop's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Krop reassigns Medicare benefits to Yale University (New Haven, 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 Ian Krop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Krop accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Ian Krop as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ian Krop was last updated on July 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ian Elliott Krop, MD PHD · NPI 1033187455
Medical Oncology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since March 10, 2006.
## Identity
- **NPI:** 1033187455 (Entity type: Individual)
- **Enumerated:** March 10, 2006
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 71123 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 35 PARK ST, New Haven, CT 06519-1110
- **Phone:** (203) 200-2328
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Yale University (NPI 1124148887, New Haven, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** July 26, 2022
- **Other identifiers:** Other 0172910; Other 14797; Other 214556; and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1033187455) · Data from the CMS NPPES public registry.