DR. CHRISTOPHER HASSLINGER MD
NPI 1700318771
Emergency Medicine in Portland, ME
About Dr. Christopher Hasslinger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER HASSLINGER MD (NPI 1700318771) is an individual emergency medicine provider in Portland, Maine, licensed in Maine (EC171058) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Biddeford.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. Christopher Hasslinger 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
3Medicare enrollment records show Christopher Hasslinger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1346299815 (Maine), NPI 1922791417 (Maine)
- 3,140 clinicians in this Medicare group
Brunswick, ME 04011
- Reassigned Medicare billing, Maine enrollment
- 170 clinicians in this Medicare group
York, ME 03909
- Reassigned Medicare billing, Maine enrollment
- 347 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MEYork Hospital
Acute Care Hospitals · York, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PORTLAND, ME 04102
PORTLAND, ME 04102
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 Christopher Hasslinger's NPI number?
The NPI number for Christopher Hasslinger is 1700318771. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Christopher Hasslinger located?
Christopher Hasslinger practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-0111.
What is Christopher Hasslinger's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Christopher Hasslinger enrolled in Medicare?
Yes. Christopher Hasslinger 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 Christopher Hasslinger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Hasslinger reassigns Medicare benefits to 3 organizations: Mainehealth (Portland, ME), Bluewater Emergency Partners Of Brunswick, LLC (Brunswick, ME) and York Hospital (York, ME). 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 Christopher Hasslinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Hasslinger accept?
Health plans from Taro Health and WellSense Health Plan list Christopher Hasslinger 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 Christopher Hasslinger affiliated with any hospitals?
According to CMS data, Christopher Hasslinger is affiliated with Maine Medical Center and York Hospital.
When was this NPI record last updated?
The NPPES record for Christopher Hasslinger was last updated on July 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Christopher Hasslinger, MD · NPI 1700318771
Emergency Medicine physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since March 29, 2017.
## Identity
- **NPI:** 1700318771 (Entity type: Individual)
- **Enumerated:** March 29, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** EC171058 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 662-0111
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1073701157, Portland, ME); Bluewater Emergency Partners Of Brunswick, LLC (NPI 1043640204, Brunswick, ME); York Hospital (NPI 1376528398, York, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 2017
## Record status
- **NPPES last updated:** July 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1700318771) · Data from the CMS NPPES public registry.