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HARRIET AVEDI PMHNP-BC
NPI 1285320465
Nurse Practitioner - Psychiatric/Mental Health in Silver Spring, MD

Active since April 12, 2023PECOS Enrolled
13421 TAMARACK RD, SILVER SPRING, MD 20904(240) 413-5929 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2023, Jun 13, 2023, Apr 12, 2023 (3 updates tracked since 2023).

About Harriet Avedi Pmhnp-bc NPPES

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

HARRIET AVEDI PMHNP-BC (NPI 1285320465) is an individual psychiatric/mental health provider in Silver Spring, Maryland, licensed in District Of Columbia (NP1028297) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285320465
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameHARRIET AVEDICredential: PMHNP-BC
Location Address13421 TAMARACK RDSilver Spring, MD 20904-1468
Mailing Address13421 Tamarack RdSilver Spring, MD 20904-1468 · (240) 413-5929
Phone(240) 413-5929
Sole ProprietorYes
Enumeration DateApril 12, 2023
Last NPPES UpdateOctober 16, 20253 updates tracked since enumeration
NPPES CertifiedOctober 16, 2025
✔ NPI 1285320465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in DC · NP1028297
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License R202647 (MD)
Also ListedRegistered Nurse · Psychiatric/Mental Health, AdultTaxonomy 163WP0809X · License RN1028297 (DC)
Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X
13421 TAMARACK RD, Silver Spring, MD 20904
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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 (PECOS)

Harriet Avedi Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Harriet Avedi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ruththomas LLC
13 mi
Psychiatric/Mental Health
1629 K ST NW STE 300
Washington, DC 20006
  • Reassigned Medicare billing, District of Columbia enrollment
NPI 1043006174 (301) 674-4122

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20904 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.

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 Harriet Avedi's NPI number?

The NPI number for Harriet Avedi is 1285320465. It was assigned to this individual provider in the NPPES registry on April 12, 2023.

Where is Harriet Avedi located?

Harriet Avedi practices at 13421 Tamarack Rd, Silver Spring, MD 20904. The listed phone number is (240) 413-5929.

What is Harriet Avedi's specialty?

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

Is Harriet Avedi enrolled in Medicare?

Yes. Harriet Avedi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Harriet Avedi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harriet Avedi reassigns Medicare benefits to Ruththomas LLC (Washington, DC). 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 Harriet Avedi'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 Harriet Avedi was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.