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MRS. TIERNEY KATHLEEN ELISON CNM
NPI 1689226441
Advanced Practice Midwife in Cambridge, MA

Active since July 11, 2019PECOS EnrolledAccepts Medicare Assignment
330 MT AUBURN ST, STANTON 1ST FLOOR, CAMBRIDGE, MA 02138(617) 499-5151(617) 547-0636 Get Directions Write a Review

NPPES record last updated: September 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 8, 2025, Mar 30, 2021, Jun 13, 2020 and 1 more (4 updates tracked since 2019).

About Mrs. Tierney Kathleen Elison Cnm NPPES

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

MRS. TIERNEY KATHLEEN ELISON CNM (NPI 1689226441) is an individual advanced practice midwife in Cambridge, Massachusetts, licensed in Massachusetts (RN2318216) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1689226441
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMRS. TIERNEY KATHLEEN ELISONCredential: CNM
Location Address330 MT AUBURN ST, STANTON 1ST FLOORCambridge, MA 02138-5502
Mailing Address330 Mt Auburn St, Parsons 2Cambridge, MA 02138-5597 · (617) 499-5151 · Fax (617) 547-0636
Phone(617) 499-5151
Fax(617) 547-0636
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 11, 2019
Last NPPES UpdateSeptember 8, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2025
✔ NPI 1689226441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
Licenses✔ Licensed in MA · RN2318216✔ Licensed in RI · CNM00183
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.
330 MT AUBURN ST, Cambridge, MA 02138
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Secondary Practice Locations 3

Location 1495 Western AveBrighton, MA 02135-1007 · Phone (617) 783-0500 · Fax (617) 783-5514
Location 243 Foundry AveWaltham, MA 02453-8313 · Phone (781) 693-3842 · Fax (781) 693-3805
Location 3280 Union StLynn, MA 01901-1353 · Phone (781) 596-3800

Other Identifiers 1

Medicaid110162456AMA

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Tierney Kathleen Elison 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 ID2062835283
PECOS Enrollment IDI20210401000279
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.

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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 7

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

SENA GUL CAKIR COLAK M.D.
Student in an Organized Health Care Education/Training Program
330 MT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 492-3500
DR. SARAH J MOSES MD
Obstetrics & Gynecology
330 MT AUBURN ST, STANTON 1ST FLOOR
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5151
CHRISTINA MARSICA GRASSI M.D.
Ophthalmology
330 MT AUBURN ST, MOUNT AUBURN HOSPITAL
CAMBRIDGE, MA 02138
Middlesex County (617) 492-3500
LIPISHA SUSHIL AGARWAL MBBS
Internal Medicine
330 MT AUBURN ST, INTERNAL MEDICINE RESIDENCY PROGRAM MOUNT AUBURN HOSPIT
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5571
LINDSEY A HILDEBRAND MD
Internal Medicine (Hematology & Oncology)
330 MT AUBURN ST, WYMAN 3
CAMBRIDGE, MA 02138
Middlesex County (617) 497-9646
MR. MAURICIO FERNANDES M.D.
Internal Medicine
330 MT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5571
DR. RYAN J SULLIVAN MD
Internal Medicine
330 MT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 499-5112

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 Tierney Elison's NPI number?

The NPI number for Tierney Elison is 1689226441. It was assigned to this individual provider in the NPPES registry on July 11, 2019.

Where is Tierney Elison located?

Tierney Elison practices at 330 Mt Auburn St Stanton 1st Floor, Cambridge, MA 02138. The listed phone number is (617) 499-5151.

What is Tierney Elison's specialty?

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

Is Tierney Elison enrolled in Medicare?

Yes. Tierney Elison 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 Tierney Elison accept?

Health plans from Anthem Blue Cross and Blue Shield list Tierney Elison 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 Tierney Elison affiliated with any hospitals?

According to CMS data, Tierney Elison is affiliated with Mount Auburn Hospital.

When was this NPI record last updated?

The NPPES record for Tierney Elison was last updated on September 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.