DOUGLAS HOWELL MD
NPI 1902904758
Internal Medicine - Gastroenterology in Portland, ME
About Douglas Howell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS HOWELL MD (NPI 1902904758) is an individual gastroenterology provider in Portland, Maine, licensed in Maine (009448) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Douglas Howell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Douglas Howell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, ME 04101
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Portland Gastroenterology Associates PA
- 34 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 04101 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.
PORTLAND, ME 04101
PORTLAND, ME 04101
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 Douglas Howell's NPI number?
The NPI number for Douglas Howell is 1902904758. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Douglas Howell located?
Douglas Howell practices at 161 Marginal Way, Portland, ME 04101. The listed phone number is (207) 773-7964.
What is Douglas Howell's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Douglas Howell enrolled in Medicare?
Yes. Douglas Howell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Douglas Howell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Howell reassigns Medicare benefits to Portland Gastroenterology Associates P.A. (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 Douglas Howell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Douglas Howell was last updated on September 8, 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.