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JENNIFER L STEFFEN APRN
NPI 1588040158
Nurse Practitioner - Women's Health in Portland, ME

Active since August 06, 2015PECOS EnrolledAccepts Medicare Assignment
84 MARGINAL WAY, SUITE 900, PORTLAND, ME 04101(207) 874-2445(207) 523-8598 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jennifer L Steffen Aprn NPPES

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

JENNIFER L STEFFEN APRN (NPI 1588040158) is an individual women's health provider in Portland, Maine, licensed in Maine (CNP151096) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1588040158
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameJENNIFER L STEFFENCredential: APRN
Location Address84 MARGINAL WAY, SUITE 900Portland, ME 04101-2443
Mailing Address100 Gannett Dr Ste CSouth Portland, ME 04106-5900 · (207) 347-2947 · Fax (207) 874-2317
Phone(207) 874-2445
Fax(207) 523-8598
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 6, 2015
Last NPPES UpdateJune 9, 2026
NPPES CertifiedJune 9, 2026
✔ NPI 1588040158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License✔ Licensed in ME · CNP151096
84 MARGINAL WAY, Portland, ME 04101
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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

Jennifer L Steffen Aprn 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 ID3971810904
PECOS Enrollment IDI20150923001581
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 Jennifer Steffen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Intermed, PA
4.9 mi
Internal Medicine
100 GANNETT DR, SUITE C
South Portland, ME 04106
  • Reassigned Medicare billing, Maine enrollment
  • 200 clinicians in this Medicare group
NPI 1467422733 (207) 828-0361

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 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
$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.

CAROL M VAUGHAN MD
Obstetrics & Gynecology
84 MARGINAL WAY, SUITE 900
PORTLAND, ME 04101
Cumberland County (207) 874-2445
JOHN E ERICKSON MD
Internal Medicine
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Cumberland County (207) 774-5816
CAROL FRESHLEY FNP
Nurse Practitioner (Family)
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Cumberland County (207) 774-5816
JAMES C FOSTER MD
Pediatrics
84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101
Cumberland County (207) 774-4092
MEAGAN SCHMERSAL NP
Nurse Practitioner (Family)
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Cumberland County (207) 774-5816
MRS. KATHLEEN SHANNON BROWN ANP
Nurse Practitioner (Family)
84 MARGINAL WAY
PORTLAND, ME 04101
Cumberland County (207) 774-5816
MS. MICHELLE BELYEA PNP
Nurse Practitioner
84 MARGINAL WAY, SUITE 1000
PORTLAND, ME 04101
Cumberland County (207) 774-4092
DOUGLAS R BARR MD
Internal Medicine
84 MARGINAL WAY, SUITE 700
PORTLAND, ME 04101
Cumberland County (207) 774-5816

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 Jennifer Steffen's NPI number?

The NPI number for Jennifer Steffen is 1588040158. It was assigned to this individual provider in the NPPES registry on August 6, 2015.

Where is Jennifer Steffen located?

Jennifer Steffen practices at 84 Marginal Way Suite 900, Portland, ME 04101. The listed phone number is (207) 874-2445.

What is Jennifer Steffen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Jennifer Steffen enrolled in Medicare?

Yes. Jennifer Steffen 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 Jennifer Steffen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Steffen reassigns Medicare benefits to Intermed, PA (South 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 Jennifer Steffen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Steffen was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.