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ABBY ZAROTNY SAHAGIAN CRNA
NPI 1841811338
Nurse Anesthetist, Certified Registered in Portland, ME

Active since May 06, 2020PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
MMC ANESTHESIA AND PERIOPERATIVE MEDICINE, 22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-2526 Get Directions Write a Review

NPPES record last updated: September 17, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 17, 2020, May 6, 2020 (2 updates tracked since 2020).

About Abby Zarotny Sahagian Crna NPPES

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

ABBY ZAROTNY SAHAGIAN CRNA (NPI 1841811338) is an individual nurse anesthetist, certified registered in Portland, Maine, licensed in Maine (RNA203045) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Hartford.

NPPES Registry Identity

NPI1841811338
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameABBY ZAROTNY SAHAGIANCredential: CRNA
Location AddressMMC ANESTHESIA AND PERIOPERATIVE MEDICINE, 22 BRAMHALL STPortland, ME 04102
Mailing Address208a Neck RdMadison, CT 06443-2720 · (802) 793-3616
Phone(207) 662-2526
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMay 6, 2020
Last NPPES UpdateSeptember 17, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2020
✔ NPI 1841811338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in ME · RNA203045✔ Licensed in CT · 10.146916
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
MMC ANESTHESIA AND PERIOPERATIVE MEDICINE, Portland, ME 04102
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Secondary Practice Location 1

Location 180 Seymour StHartford, CT 06102-8000 · Phone (860) 545-5000

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

Abby Zarotny Sahagian Crna 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 ID4385063601
PECOS Enrollment IDI20201104001218
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 Abby Sahagian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
1.4 mi
Maternal & Fetal Medicine
887 CONGRESS ST, SUITE 200
Portland, ME 04102
  • Reassigned Medicare billing, Maine enrollment
  • 3,140 clinicians in this Medicare group
NPI 1063726891 (207) 771-5549

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

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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
Most-billed visit code 99213
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 Abby Sahagian's NPI number?

The NPI number for Abby Sahagian is 1841811338. It was assigned to this individual provider in the NPPES registry on May 6, 2020.

Where is Abby Sahagian located?

Abby Sahagian practices at Mmc Anesthesia And Perioperative Medicine 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-2526.

What is Abby Sahagian's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Abby Sahagian enrolled in Medicare?

Yes. Abby Sahagian 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 organization bills Medicare for Abby Sahagian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Sahagian reassigns Medicare benefits to Mainehealth (Portland, 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 Abby Sahagian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Abby Sahagian affiliated with any hospitals?

According to CMS data, Abby Sahagian is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Abby Sahagian was last updated on September 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.