LARTONIAH HASSAN
NPI 1790150258
Nurse Practitioner - Psychiatric/Mental Health in Washington, DC

Active since December 09, 2015PECOS EnrolledAccepts Medicare Assignment
4228 WISCONSIN AVE NW, WASHINGTON, DC 20016(301) 792-9477 Get Directions Write a Review

NPPES record last updated: August 19, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 19, 2022, Jan 18, 2017, Jan 25, 2016 and 1 more (4 updates tracked since 2015).

About Lartoniah Hassan NPPES

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

LARTONIAH HASSAN (NPI 1790150258) is an individual psychiatric/mental health provider in Washington, District Of Columbia, licensed in Virginia (0024179288) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1790150258
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameLARTONIAH HASSAN
Location Address4228 WISCONSIN AVE NWWashington, DC 20016-2138
Mailing Address8665 Sudley Rd # 228Manassas, VA 20110-4588 · (301) 792-9477
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateDecember 9, 2015
Last NPPES UpdateAugust 19, 20224 updates tracked since enumeration
NPPES CertifiedOctober 6, 2021
✔ NPI 1790150258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in VA · 0024179288✔ Licensed in MD · R197041
4228 WISCONSIN AVE NW, Washington, DC 20016

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

Lartoniah Hassan 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 ID4486940178
PECOS Enrollment IDI20211130001137
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

3

Medicare enrollment records show Lartoniah Hassan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health
2670 CRAIN HWY, SUITE #409
Waldorf, MD 20601
  • Reassigned Medicare billing, Maryland enrollment
  • 19 clinicians in this Medicare group
Psychiatric/Mental Health
8665 SUDLEY RD # 228
Manassas, VA 20110
  • Reassigned Medicare billing, Virginia enrollment
  • 5 clinicians in this Medicare group
Psychiatric/Mental Health
8890 MCDONOGH RD STE 208
Owings Mills, MD 21117
  • Reassigned Medicare billing, Maryland enrollment
  • 16 clinicians in this Medicare group

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 services11 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 20

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

Psychiatric Hospital
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Psychiatry & Neurology (Psychiatry)
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Psychiatric Hospital
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Nurse Practitioner (Psychiatric/Mental Health)
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Social Worker
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Registered Nurse (Psychiatric/Mental Health)
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016
Psychiatry & Neurology (Psychiatry)
4228 WISCONSIN AVE NW
WASHINGTON, DC 20016

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 Lartoniah Hassan's NPI number?

The NPI number for Lartoniah Hassan is 1790150258. It was assigned to this individual provider in the NPPES registry on December 9, 2015.

Where is Lartoniah Hassan located?

Lartoniah Hassan practices at 4228 Wisconsin Ave NW, Washington, DC 20016. The listed phone number is (301) 792-9477.

What is Lartoniah Hassan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Lartoniah Hassan enrolled in Medicare?

Yes. Lartoniah Hassan 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 organizations bill Medicare for Lartoniah Hassan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lartoniah Hassan reassigns Medicare benefits to 3 organizations: Pathways Inc (Waldorf, MD), Lasting Serenity Telepsychiatry Inc (Manassas, VA) and Sound Wellness Center (Owings Mills, MD). 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 Lartoniah Hassan'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 Lartoniah Hassan was last updated on August 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.