1. Home
  2. Directory
  3. Maryland
  4. Rockville
  5. Psychologist
  6. NPI Profile

MARGARET FARRELL PSY.D.
NPI 1780906438
Psychologist - Clinical in Rockville, MD

Active since February 23, 2010PECOS EnrolledAccepts Medicare Assignment
9707 KEY WEST AVE STE 100, ROCKVILLE, MD 20850(240) 750-6467 Get Directions Write a Review

NPPES record last updated: February 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 8, 2021, Mar 12, 2018 (2 updates tracked since 2018).

About Margaret Farrell Psy.d. NPPES

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

MARGARET FARRELL PSY.D. (NPI 1780906438) is an individual clinical provider in Rockville, Maryland, licensed in Maryland (05481) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1780906438
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMARGARET FARRELLCredential: PSY.D.
Location Address9707 KEY WEST AVE STE 100Rockville, MD 20850-3992
Mailing Address9707 Key West Ave Ste 100Rockville, MD 20850-3992
Phone(240) 750-6467
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateFebruary 23, 2010
Last NPPES UpdateFebruary 1, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2025
✔ NPI 1780906438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in MD · 05481✔ Licensed in NJ · 35SI00506400
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
9707 KEY WEST AVE STE 100, Rockville, MD 20850
Open in Google Maps ↗

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

Margaret Farrell Psy.d. 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 ID244558617
PECOS Enrollment IDI20150415000373, I20181212000074
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
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.

LAUREN CELINE KALISZAK M. PSY.
Counselor (Professional)
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
DR. ARYEH LEIB KANAL PSYD
Psychologist
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
SHELBY AMANDA BEIERL LCPC
Counselor (Mental Health)
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
HUAYING JIN
Counselor (Mental Health)
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
JUSTIN R HARKER
Counselor
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
CHELSEA TADESSE
Counselor (Mental Health)
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
DR. KAVITA PALLOD SEKHSARIA PSY.D.
Psychologist
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467
DR. KRISTEN BECKER PSYD
Psychologist (Clinical)
9707 KEY WEST AVE STE 100
ROCKVILLE, MD 20850
Montgomery County (240) 750-6467

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 Margaret Farrell's NPI number?

The NPI number for Margaret Farrell is 1780906438. It was assigned to this individual provider in the NPPES registry on February 23, 2010.

Where is Margaret Farrell located?

Margaret Farrell practices at 9707 Key West Ave Ste 100, Rockville, MD 20850. The listed phone number is (240) 750-6467.

What is Margaret Farrell's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Margaret Farrell enrolled in Medicare?

Yes. Margaret Farrell 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.

When was this NPI record last updated?

The NPPES record for Margaret Farrell was last updated on February 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.