MS. ALLYSON REBECCA HORNSTEIN CNM
NPI 1811320955
Advanced Practice Midwife in Portland, ME

Active since August 13, 2013PECOS EnrolledAccepts Medicare Assignment
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-5400 Get Directions Write a Review

NPPES record last updated: April 5, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 5, 2021, Apr 11, 2017 (2 updates tracked since 2017).

About Ms. Allyson Rebecca Hornstein Cnm NPPES

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

MS. ALLYSON REBECCA HORNSTEIN CNM (NPI 1811320955) is an individual advanced practice midwife in Portland, Maine, licensed in Maine (CNM212005) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1811320955
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMS. ALLYSON REBECCA HORNSTEINCredential: CNM
Location Address22 BRAMHALL STPortland, ME 04102-3175
Mailing Address22 Bramhall StPortland, ME 04102-3175 · (207) 662-5400
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateAugust 13, 2013
Last NPPES UpdateApril 5, 20212 updates tracked since enumeration
NPPES CertifiedApril 5, 2021
NPI 1811320955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
Licenses Licensed in ME · CNM212005 Licensed in WI · 148883-32 Licensed in MA · RN2314372
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
Also ListedRegistered NurseTaxonomy 163W00000X · License 171241-30 (WI)
Also ListedMidwifeTaxonomy 176B00000X · License 148883-32 (WI)
22 BRAMHALL ST, Portland, ME 04102

Other Identifiers 1

Other000002690WI · Medicare Ptan

Accepted Insurance

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

Ms. Allyson Rebecca Hornstein Cnm 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 ID3577799691
PECOS Enrollment IDI20210419000218
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
$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.

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.

Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102

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 Allyson Hornstein's NPI number?

The NPI number for Allyson Hornstein is 1811320955. It was assigned to this individual provider in the NPPES registry on August 13, 2013.

Where is Allyson Hornstein located?

Allyson Hornstein practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-5400.

What is Allyson Hornstein's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Allyson Hornstein enrolled in Medicare?

Yes. Allyson Hornstein 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.

What insurance does Allyson Hornstein accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Allyson Hornstein 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 Allyson Hornstein affiliated with any hospitals?

According to CMS data, Allyson Hornstein is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Allyson Hornstein was last updated on April 5, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.