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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHELLE DIANE SHEAHAN MSW, LICSW
NPI 1356737100
Nurse Practitioner in Washington, DC

Active since April 08, 2015PECOS EnrolledAccepts Medicare Assignment
4545 42ND ST NW STE 200, WASHINGTON, DC 20016(202) 413-4431 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Michelle Diane Sheahan Msw, Licsw NPPES

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

MICHELLE DIANE SHEAHAN MSW, LICSW (NPI 1356737100) is an individual nurse practitioner in Washington, District Of Columbia, licensed in District Of Columbia (NP500009459) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1356737100
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMICHELLE DIANE SHEAHANCredential: MSW, LICSW
Location Address4545 42ND ST NW STE 200Washington, DC 20016-4623
Mailing Address4545 42nd St Nw Ste 200Washington, DC 20016-4623 · (202) 413-4431
Phone(202) 413-4431
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateApril 8, 2015
Last NPPES UpdateAugust 14, 2026
NPPES CertifiedAugust 14, 2026
✔ NPI 1356737100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in DC · NP500009459
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License LC50080431 (DC)
4545 42ND ST NW STE 200, Washington, DC 20016
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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

Michelle Diane Sheahan Msw, Licsw 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 ID1355657578
PECOS Enrollment IDI20150903000374
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.

Areas of Expertise CMS Part B claims 2

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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
895 services24 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
34 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20016 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 6

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

MAJA GUIDRY MSW
Social Worker (Clinical)
4545 42ND ST NW STE 200
WASHINGTON, DC 20016
District of Columbia (202) 253-7958
HANNAH GUIDRY LICSW
Social Worker (Clinical)
4545 42ND ST NW STE 200
WASHINGTON, DC 20016
District of Columbia (202) 422-7736
HANNAH GUIDRY LIMITED LIABILITY COMPANY
Community/Behavioral Health
4545 42ND ST NW STE 200
WASHINGTON, DC 20016
District of Columbia (202) 422-7736
DC HEALING CENTER
Social Worker
4545 42ND ST NW STE 200
WASHINGTON, DC 20016
District of Columbia (202) 413-4431
MAJA GUIDRY LIMITED LIABILITY COMPANY
Community/Behavioral Health
4545 42ND ST NW STE 200
WASHINGTON, DC 20016
District of Columbia (202) 253-7958
SHEAHAN-GUIDRY CONSULTING LIMITED LIABILITY COMPANY
Community/Behavioral Health
4545 42ND ST NW STE 200
WASHINGTON, DC 20016
District of Columbia (202) 413-4431

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 Michelle Sheahan's NPI number?

The NPI number for Michelle Sheahan is 1356737100. It was assigned to this individual provider in the NPPES registry on April 8, 2015.

Where is Michelle Sheahan located?

Michelle Sheahan practices at 4545 42nd St NW Ste 200, Washington, DC 20016. The listed phone number is (202) 413-4431.

What is Michelle Sheahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Michelle Sheahan enrolled in Medicare?

Yes. Michelle Sheahan 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 Michelle Sheahan accept?

Health plans from Providence Health Plan list Michelle Sheahan 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 Michelle Sheahan was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.