ANN SOO KIM MD
NPI 1457970436
Internal Medicine - Hematology & Oncology in South Portland, ME
About Ann Soo Kim Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN SOO KIM MD (NPI 1457970436) is an individual hematology & oncology provider in South Portland, Maine, licensed in Maine (MD30503) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2020).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ann Soo Kim Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ann Kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Portland, ME 04106
- Reassigned Medicare billing, Maine enrollment
- 3,140 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04106 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.
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
SOUTH PORTLAND, ME 04106
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 Ann Kim's NPI number?
The NPI number for Ann Kim is 1457970436. It was assigned to this individual provider in the NPPES registry on April 10, 2020.
Where is Ann Kim located?
Ann Kim practices at 265 Western Ave Ste 2, South Portland, ME 04106. The listed phone number is (207) 661-0200.
What is Ann Kim's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Ann Kim enrolled in Medicare?
Yes. Ann Kim is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ann Kim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Kim reassigns Medicare benefits to Mainehealth (South Portland, ME). 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 Ann Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Kim accept?
Health plans from Anthem Blue Cross and Blue Shield list Ann Kim 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 Ann Kim was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Ann Soo Kim, MD · NPI 1457970436
Hematology & Oncology physician in South Portland, Maine. Individual provider, active in the CMS NPPES registry since April 10, 2020.
## Identity
- **NPI:** 1457970436 (Entity type: Individual)
- **Enumerated:** April 10, 2020
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** MD30503 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 265 WESTERN AVE STE 2, South Portland, ME 04106-2458
- **Phone:** (207) 661-0200 · **Fax:** (207) 661-0299
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mainehealth (NPI 1679887400, South Portland, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2020
## Record status
- **NPPES last updated:** June 22, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1457970436) · Data from the CMS NPPES public registry.