CHRISTOPHER D LANG M.D.
NPI 1972745917
Internal Medicine - Cardiovascular Disease in Bangor, ME
About Christopher D Lang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER D LANG M.D. (NPI 1972745917) is an individual cardiovascular disease provider in Bangor, Maine, licensed in Maine (MD20621) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Christopher D Lang M.d. 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
8Medicare enrollment records show Christopher Lang reassigns Medicare billing to 8 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
- 348 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 788 clinicians in this Medicare group
Pittsfield, ME 04967
- Reassigned Medicare billing, Maine enrollment
- 140 clinicians in this Medicare group
Ellsworth, ME 04605
- Reassigned Medicare billing, Maine enrollment
- 174 clinicians in this Medicare group
Dover Foxcroft, ME 04426
- Reassigned Medicare billing, Maine enrollment
- 146 clinicians in this Medicare group
Blue Hill, ME 04614
- Reassigned Medicare billing, Maine enrollment
- 125 clinicians in this Medicare group
Lincoln, ME 04457
- Reassigned Medicare billing, Maine enrollment
- 70 clinicians in this Medicare group
Greenville, ME 04441
- Reassigned Medicare billing, Maine enrollment
- 105 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 21
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 5
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, MECalais Community Hospital
Critical Access Hospitals · Calais, MENorthern Light Mayo Hospital
Critical Access Hospitals · Dover Foxcroft, MEDown East Community Hospital
Critical Access Hospitals · Machias, 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.
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.
BANGOR, ME 04401
BANGOR, ME 04401
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 Lang's NPI number?
The NPI number for Christopher Lang is 1972745917. It was assigned to this individual provider in the NPPES registry on April 6, 2009.
Where is Christopher Lang located?
Christopher Lang practices at 1 Northeast Dr, Bangor, ME 04401. The listed phone number is (207) 275-3800.
What is Christopher Lang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Christopher Lang enrolled in Medicare?
Yes. Christopher Lang 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 Lang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Lang reassigns Medicare benefits to 8 organizations: Acadia Hospital Corp (Bangor, ME), Eastern Maine Medical Center (Bangor, ME), Sebasticook Valley Health (Pittsfield, ME), Maine Coast Regional Health Facilities (Ellsworth, ME), Mrh Corp. (Dover Foxcroft, ME) and 3 more organizations, listed in the Medicare section above. 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 Lang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Lang accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Christopher Lang 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 Lang affiliated with any hospitals?
According to CMS data, Christopher Lang is affiliated with Northern Light Eastern Maine Medical Center, Northern Light Maine Coast Hospital, Calais Community Hospital, Northern Light Mayo Hospital and Down East Community Hospital.
When was this NPI record last updated?
The NPPES record for Christopher Lang was last updated on March 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.