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DR. COLIN TIERNAN WATERS MD, PHD
NPI 1871243493
Emergency Medicine in Rockport, ME

Active since March 26, 2022PECOS Enrolled
6 GLEN COVE DR, ROCKPORT, ME 04856(207) 921-8311(207) 301-5288 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Colin Tiernan Waters Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. COLIN TIERNAN WATERS MD, PHD (NPI 1871243493) is an individual emergency medicine provider in Rockport, Maine, licensed in Maine (MD29261) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871243493
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. COLIN TIERNAN WATERSCredential: MD, PHD
Location Address6 GLEN COVE DRRockport, ME 04856-4272
Mailing Address6 Glen Cove DrRockport, ME 04856-4272 · (207) 921-8311 · Fax (207) 301-5288
Phone(207) 921-8311
Fax(207) 301-5288
Sole ProprietorNo
Enumeration DateMarch 26, 2022
Last NPPES UpdateJuly 14, 2025
NPPES CertifiedJuly 14, 2025
✔ NPI 1871243493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in ME · MD29261
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
6 GLEN COVE DR, Rockport, ME 04856
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Colin Tiernan Waters Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Colin Waters reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
Same address
General Acute Care Hospital
6 GLEN COVE DR
Rockport, ME 04856
  • Reassigned Medicare billing, Maine enrollment
  • 3,140 clinicians in this Medicare group
NPI 1578043378 (207) 596-8000

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 04856 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

PETER H BAGLEY M.D.
Internal Medicine (Pulmonary Disease)
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (207) 301-8542
BRUCE B LOWRY MD
Emergency Medicine
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (073) 018-3332
KAREN BRENNAN CRNA
Registered Nurse
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (207) 921-8215
KARA DEVANNA NORCIA CRNA
Nurse Anesthetist, Certified Registered
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (207) 921-8400
PETER E GIUSTRA M.D.
Radiology (Diagnostic Radiology)
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (207) 596-8000
MS. EILEEN MARIE MOLLOY M.S., R.D.N. C.D.E.
Dietitian, Registered
6 GLEN COVE DR, PEN BAY MEDICAL CENTER
ROCKPORT, ME 04856
Knox County (207) 596-8537
DR. KAITLYN ELIZABETH HALSEMA DO
Psychiatry & Neurology (Psychiatry)
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (207) 921-8632
DR. ROBERT J RUXIN MD
Psychiatry & Neurology (Psychiatry)
6 GLEN COVE DR
ROCKPORT, ME 04856
Knox County (207) 921-8000

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 Colin Waters's NPI number?

The NPI number for Colin Waters is 1871243493. It was assigned to this individual provider in the NPPES registry on March 26, 2022.

Where is Colin Waters located?

Colin Waters practices at 6 Glen Cove Dr, Rockport, ME 04856. The listed phone number is (207) 921-8311.

What is Colin Waters's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Colin Waters enrolled in Medicare?

Yes. Colin Waters is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Colin Waters's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colin Waters reassigns Medicare benefits to Mainehealth (Rockport, 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 Colin Waters'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 Colin Waters was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.