DR. KAREN ELIZABETH HARTMAN MD
NPI 1932201274
Internal Medicine in Bangor, ME
About Dr. Karen Elizabeth Hartman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN ELIZABETH HARTMAN MD (NPI 1932201274) is an individual internal medicine provider in Bangor, Maine, licensed in Maine (017276) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Karen Elizabeth Hartman Md 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 Reassignments
2Medicare enrollment records show Karen Hartman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 788 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Maine and Oklahoma enrollments
- 75 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 5
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MENorthern Light Maine Coast Hospital
Acute Care Hospitals · Ellsworth, MECharles A Dean Memorial Hospital
Critical Access Hospitals · Greenville, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Karen Hartman's NPI number?
The NPI number for Karen Hartman is 1932201274. It was assigned to this individual provider in the NPPES registry on September 5, 2006.
Where is Karen Hartman located?
Karen Hartman practices at 489 State St, Bangor, ME 04401. The listed phone number is (207) 973-7000.
What is Karen Hartman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karen Hartman enrolled in Medicare?
Yes. Karen Hartman 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 organizations bill Medicare for Karen Hartman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hartman reassigns Medicare benefits to 2 organizations: Eastern Maine Medical Center (Bangor, ME) and Signify Health, LLC (Dallas, TX). Each 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 Karen Hartman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Hartman accept?
Health plans from Taro Health list Karen Hartman 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.
Is Karen Hartman affiliated with any hospitals?
According to CMS data, Karen Hartman is affiliated with Northern Light Eastern Maine Medical Center, Northern Light Maine Coast Hospital and Charles A Dean Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Karen Hartman was last updated on December 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Karen Elizabeth Hartman, MD · NPI 1932201274
Internal Medicine physician in Bangor, Maine. Individual provider, active in the CMS NPPES registry since September 5, 2006.
## Identity
- **NPI:** 1932201274 (Entity type: Individual)
- **Enumerated:** September 5, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 017276 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 489 STATE ST, Bangor, ME 04401-6616
- **Phone:** (207) 973-7000 · **Fax:** (207) 973-5042
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Eastern Maine Medical Center (NPI 1790789147, Bangor, ME); Signify Health, LLC (NPI 1689158487, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** December 26, 2025
- **Other identifiers:** Other 1932201274 (ME)
---
Source: [NPI Profile](https://npiprofile.com/npi/1932201274) · Data from the CMS NPPES public registry.