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DR. ABBY FAYE FLEISCH MD
NPI 1942468293
Pediatrics - Pediatric Endocrinology in Portland, ME

Active since May 22, 2008PECOS Enrolled
887 CONGRESS ST, PORTLAND, ME 04102(207) 662-5522(207) 662-5526 Get Directions Write a Review

NPPES record last updated: March 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Abby Faye Fleisch Md NPPES

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

DR. ABBY FAYE FLEISCH MD (NPI 1942468293) is an individual pediatric endocrinology provider in Portland, Maine, licensed in Maine (MD21316) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1942468293
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameDR. ABBY FAYE FLEISCHCredential: MD
Location Address887 CONGRESS STPortland, ME 04102-3100
Mailing Address887 Congress StPortland, ME 04102-3100 · (207) 662-5522 · Fax (207) 662-5526
Phone(207) 662-5522
Fax(207) 662-5526
Sole ProprietorNo
Enumeration DateMay 22, 2008
Last NPPES UpdateMarch 26, 2025
NPPES CertifiedMarch 26, 2025
✔ NPI 1942468293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
Licenses✔ Licensed in ME · MD21316✔ Licensed in MA · 243353
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License MD21316 (ME), 243353 (MA)
887 CONGRESS ST, Portland, ME 04102
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Longwood AveBoston, MA 02115-5724 · Phone (617) 355-6000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Abby Faye Fleisch 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 Reassignments

2

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

Maine Medical Partners
Same address
Pediatric Surgery
887 CONGRESS ST, SUITE 300
Portland, ME 04102
  • Reassigned Medicare billing, Maine enrollment
  • 188 clinicians in this Medicare group
NPI 1134305386 (207) 662-5555
Mainehealth
Same address
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.

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
$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.

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.

MS. NICOLE L. MIZNER C.P.N.P.
Nurse Practitioner (Pediatrics)
887 CONGRESS ST, SUITE 310
PORTLAND, ME 04102
Cumberland County (207) 773-2723
KENNETH LOMBARD M.D.
Pediatrics (Pediatric Gastroenterology)
887 CONGRESS ST, SUITE 410B
PORTLAND, ME 04102
Cumberland County (207) 662-5522
JANICE M STILKEY PNP
Nurse Practitioner (Pediatrics)
887 CONGRESS ST, SUITE 320
PORTLAND, ME 04102
Cumberland County (207) 662-5522
LESLIE S WU MD
Surgery
887 CONGRESS ST, SUITE 400
PORTLAND, ME 04102
Cumberland County (207) 774-6368
ANNE C COATES M.D.
Pediatrics (Pediatric Pulmonology)
887 CONGRESS ST, SUITE 320
PORTLANAD, ME 04102
Cumberland County (207) 662-5522
MARIE H TANZER MD
Pediatrics (Pediatric Nephrology)
887 CONGRESS ST, SUITE 320
PORTLAND, ME 04102
Cumberland County (207) 662-5522
MAINEHEALTH
Obstetrics & Gynecology (Maternal & Fetal Medicine)
887 CONGRESS ST, SUITE 200
PORTLAND, ME 04102
Cumberland County (207) 771-5549
DR. COLBY A WYATT MD PHD
Pediatrics (Pediatric Pulmonology)
887 CONGRESS ST, SUITE 320
PORTLAND, ME 04102
Cumberland County (207) 662-5522

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 Fleisch's NPI number?

The NPI number for Abby Fleisch is 1942468293. It was assigned to this individual provider in the NPPES registry on May 22, 2008.

Where is Abby Fleisch located?

Abby Fleisch practices at 887 Congress St, Portland, ME 04102. The listed phone number is (207) 662-5522.

What is Abby Fleisch's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Abby Fleisch enrolled in Medicare?

Yes. Abby Fleisch is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Abby Fleisch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Fleisch reassigns Medicare benefits to 2 organizations: Maine Medical Partners (Portland, ME) and Mainehealth (Portland, 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 Abby Fleisch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abby Fleisch accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Abby Fleisch 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.

When was this NPI record last updated?

The NPPES record for Abby Fleisch was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.