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ALEX ESTRELLA MD
NPI 1487282984
Emergency Medicine in Lewiston, ME

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment
300 MAIN ST, LEWISTON, ME 04240(207) 795-0111 Get Directions Write a Review

NPPES record last updated: September 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 1, 2025, Jun 21, 2023, Jan 28, 2023 and 2 more (5 updates tracked since 2020).

About Alex Estrella Md NPPES

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

ALEX ESTRELLA MD (NPI 1487282984) is an individual emergency medicine provider in Lewiston, Maine, licensed in Maine (MD28910) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1487282984
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameALEX ESTRELLACredential: MD
Location Address300 MAIN STLewiston, ME 04240-7027
Mailing Address300 Main StLewiston, ME 04240-7027 · (207) 795-0111
Phone(207) 795-0111
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 30, 2020
Last NPPES UpdateSeptember 1, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2025
✔ NPI 1487282984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in ME · MD28910
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 ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD28910 (ME)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
300 MAIN ST, Lewiston, ME 04240
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health, WellSense Health Plan.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

Alex Estrella 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 ID3375969173
PECOS Enrollment IDI20250826001770
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 Reassignments

2

Medicare enrollment records show Alex Estrella reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Maine Medical Center
Same address
General Acute Care Hospital
300 MAIN ST
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 920 clinicians in this Medicare group
NPI 1689653487 (207) 795-5646
Bluewater Emergency Partners Of Brunswick, LLC
18 mi
Emergency Medicine
14 MAINE ST STE 306
Brunswick, ME 04011
  • Reassigned Medicare billing, Maine enrollment
  • 170 clinicians in this Medicare group
NPI 1043640204 (207) 725-9065

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

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

Central Maine Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200024
Location300 Main StreetLewiston, ME 04240 · Androscoggin County
Emergency services Birthing friendly

Rumford Hospital

Critical Access Hospitals · Rumford, ME
OwnershipProprietary
CMS Certification Number201306
Location420 Franklin StreetRumford, ME 04276 · Oxford County
Emergency services

Bridgton Hospital

Critical Access Hospitals · Bridgton, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201310
Location10 Hospital DriveBridgton, ME 04009 · Cumberland County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04240 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.

ANGELA WOOD CRNA
Nurse Anesthetist, Certified Registered
300 MAIN ST, CENTRAL MAINE MEDICAL CENTER
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
DANA MCCOY PT
Physical Therapist
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
ELIZABETH ROBIN STOKEM SLP
Speech-Language Pathologist
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-2590
ASHA HASSAN MOHAMUD MD
Internal Medicine
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
JERROLD T. GALE M.D.
Radiology (Diagnostic Radiology)
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-2400
GLENDA MICHELLE KRIBEL CRNA
Nurse Anesthetist, Certified Registered
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
TAMARA WILLOUGHBY MD
Emergency Medicine
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-5011
NANCY ASAMOA MD
Internal Medicine
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111

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 Alex Estrella's NPI number?

The NPI number for Alex Estrella is 1487282984. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Alex Estrella located?

Alex Estrella practices at 300 Main St, Lewiston, ME 04240. The listed phone number is (207) 795-0111.

What is Alex Estrella's specialty?

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

Is Alex Estrella enrolled in Medicare?

Yes. Alex Estrella 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 Alex Estrella's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Estrella reassigns Medicare benefits to 2 organizations: Central Maine Medical Center (Lewiston, ME) and Bluewater Emergency Partners Of Brunswick, LLC (Brunswick, ME). 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 Alex Estrella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alex Estrella accept?

Health plans from Taro Health and WellSense Health Plan list Alex Estrella 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 Alex Estrella affiliated with any hospitals?

According to CMS data, Alex Estrella is affiliated with Central Maine Medical Center, Rumford Hospital and Bridgton Hospital.

When was this NPI record last updated?

The NPPES record for Alex Estrella was last updated on September 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.