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DR. ANTHONY BEKASIAK MD
NPI 1639699416
Internal Medicine - Critical Care Medicine in Lewiston, ME

Active since June 22, 2017PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
330 SABATTUS ST STE A, LEWISTON, ME 04240(617) 789-3000 Get Directions Write a Review

NPPES record last updated: March 27, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 22, 2020, Jun 22, 2017 (2 updates tracked since 2017).

About Dr. Anthony Bekasiak Md NPPES

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

DR. ANTHONY BEKASIAK MD (NPI 1639699416) is an individual critical care medicine provider in Lewiston, Maine, licensed in Illinois (153800) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Maine General Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1639699416
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. ANTHONY BEKASIAKCredential: MD
Location Address330 SABATTUS ST STE ALewiston, ME 04240-5553
Mailing Address1901 W Harrison StChicago, IL 60612-3714 · (312) 864-6000
Phone(617) 789-3000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 22, 2017
Last NPPES UpdateMarch 27, 20242 updates tracked since enumeration
NPPES CertifiedMarch 19, 2024
✔ NPI 1639699416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in IL · 153800
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License 272534 (MA)
330 SABATTUS ST STE A, Lewiston, ME 04240
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Dr. Anthony Bekasiak 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 ID5193135648
PECOS Enrollment IDI20230504002577
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 Anthony Bekasiak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Mary's Regional Medical Center
0.1 mi
General Acute Care Hospital
93 CAMPUS AVE
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • Medicare enrollment name: St Marys Regional Medical Center
  • 381 clinicians in this Medicare group
NPI 1447226584 (207) 777-8100
Mainegeneral Medical Center
28 mi
General Acute Care Hospital
35 MEDICAL CENTER PARKWAY
Augusta, ME 04330
  • Reassigned Medicare billing, Maine enrollment
  • 978 clinicians in this Medicare group
NPI 1083949184 (207) 872-4454

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
59 services57 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
58 services58 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
57 services42 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
50 services50 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
31 services19 patients
Test for exercise-induced lung stress 94618
An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.
25 services24 patients

Hospital Affiliations CMS Care Compare

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

Maine General Medical Center

Acute Care Hospitals · Augusta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200039
Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County
Emergency services Birthing friendly

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
$123.23 typical visit price
range $53.26 – $162.77
Typical copayment $30.80 (range $13.31 – $40.69)
Most-billed visit code 99204
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

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. THADDEUS T SHATTUCK MD
Psychiatry & Neurology (Psychiatry)
330 SABATTUS ST STE A
LEWISTON, ME 04240
Androscoggin County (207) 777-8959

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 Anthony Bekasiak's NPI number?

The NPI number for Anthony Bekasiak is 1639699416. It was assigned to this individual provider in the NPPES registry on June 22, 2017.

Where is Anthony Bekasiak located?

Anthony Bekasiak practices at 330 Sabattus St Ste A, Lewiston, ME 04240. The listed phone number is (617) 789-3000.

What is Anthony Bekasiak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Anthony Bekasiak enrolled in Medicare?

Yes. Anthony Bekasiak 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 Anthony Bekasiak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Bekasiak reassigns Medicare benefits to 2 organizations: St. Mary's Regional Medical Center (Lewiston, ME) and Mainegeneral Medical Center (Augusta, 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 Anthony Bekasiak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anthony Bekasiak accept?

Health plans from Anthem Blue Cross and Blue Shield list Anthony Bekasiak 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 Anthony Bekasiak affiliated with any hospitals?

According to CMS data, Anthony Bekasiak is affiliated with Maine General Medical Center.

When was this NPI record last updated?

The NPPES record for Anthony Bekasiak was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.