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DR. MARK D EARNSHAW MD
NPI 1720181431
Emergency Medicine in Portland, ME

Active since September 07, 2006PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-7046 Get Directions Write a Review

NPPES record last updated: August 29, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark D Earnshaw Md NPPES

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

DR. MARK D EARNSHAW MD (NPI 1720181431) is an individual emergency medicine provider in Portland, Maine, licensed in Maine (012769) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of University Of Mississippi School Of Medicine (1985).

NPPES Registry Identity

NPI1720181431
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARK D EARNSHAWCredential: MD
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address22 Bramhall StPortland, ME 04102-3134 · (207) 662-7046
Phone(207) 662-7046
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 1985
Enumeration DateSeptember 7, 2006
Last NPPES UpdateAugust 29, 2008
✔ NPI 1720181431 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 · 012769
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.
22 BRAMHALL ST, Portland, ME 04102
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Other Identifiers 3

Medicare PINMM309501ME
Medicare PINMM3095ME
Medicare UPIND80561ME

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark D Earnshaw 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.

PECOS PAC ID749224616
PECOS Enrollment IDI20050613000784
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician 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.

New Patient
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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

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.

ABBY LYNN LABRECQUE PA-C
Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-8111
TEGAN SWIFT RD
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-4238
DEREK POULIN DO
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2526
MATTHEW SCOTT AUSTIN CRNA
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2526
MADELINE YOUNGBERG MD
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111
ERICA BRASLEY MD
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111
REBECCA ROSE LIGHTMAN
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-7060
DR. LUKE PATRICK KEFFER MD, MBA
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111

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 Mark Earnshaw's NPI number?

The NPI number for Mark Earnshaw is 1720181431. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Mark Earnshaw located?

Mark Earnshaw practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-7046.

What is Mark Earnshaw's specialty?

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

Is Mark Earnshaw enrolled in Medicare?

Yes. Mark Earnshaw 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.

Is Mark Earnshaw affiliated with any hospitals?

According to CMS data, Mark Earnshaw is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Earnshaw was last updated on August 29, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.