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MR. NICHOLAS EMMANUEL WALTER MD
NPI 1003310277
Emergency Medicine in Damariscotta, ME

Active since March 21, 2018PECOS Enrolled
98.06/100
CMS Quality Rating
EMERGENCY DEPARTMENT, 35 MILES STREET, DAMARISCOTTA, ME 04543(207) 563-4472 Get Directions Write a Review

NPPES record last updated: July 23, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 23, 2021, Mar 21, 2018 (2 updates tracked since 2018).

About Mr. Nicholas Emmanuel Walter Md NPPES

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

MR. NICHOLAS EMMANUEL WALTER MD (NPI 1003310277) is an individual emergency medicine provider in Damariscotta, Maine, licensed in Maine (MD24528) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1003310277
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMR. NICHOLAS EMMANUEL WALTERCredential: MD
Location AddressEMERGENCY DEPARTMENT, 35 MILES STREETDamariscotta, ME 04543
Mailing AddressEmergency Department, 35 Miles StreetDamariscotta, ME 04543 · (207) 563-4472
Phone(207) 563-4472
Sole ProprietorNo
Enumeration DateMarch 21, 2018
Last NPPES UpdateJuly 23, 20212 updates tracked since enumeration
NPPES CertifiedJune 28, 2021
✔ NPI 1003310277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in ME · MD24528
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
EMERGENCY DEPARTMENT, Damariscotta, ME 04543
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Secondary Practice Location 1

Location 1Department of Emergency Medicine, 110 South Paca Street 6th flr. Suite 200Baltimore, MD 21201 · Phone (410) 328-8025

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Nicholas Emmanuel Walter Md 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 Nicholas Walter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
0.8 mi
Critical Access
35 MILES ST
Damariscotta, ME 04543
  • Reassigned Medicare billing, Maine enrollment
  • Also billed through NPI 1912094806 (Maine)
  • 3,140 clinicians in this Medicare group
NPI 1629558432 (207) 563-1234

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 04543 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.

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.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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 Nicholas Walter's NPI number?

The NPI number for Nicholas Walter is 1003310277. It was assigned to this individual provider in the NPPES registry on March 21, 2018.

Where is Nicholas Walter located?

Nicholas Walter practices at Emergency Department 35 Miles Street, Damariscotta, ME 04543. The listed phone number is (207) 563-4472.

What is Nicholas Walter's specialty?

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

Is Nicholas Walter enrolled in Medicare?

Yes. Nicholas Walter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicholas Walter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Walter reassigns Medicare benefits to Mainehealth (Damariscotta, 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 Nicholas Walter'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 Nicholas Walter was last updated on July 23, 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.