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DR. MARGARET DANIELLE WEISS MD PHD
NPI 1437504479
Psychiatry & Neurology - Psychiatry in Little Rock, AR

Active since April 27, 2016PECOS Enrolled
4301 W MARKHAM ST, LITTLE ROCK, AR 72205(501) 364-6565(501) 364-1203 Get Directions Write a Review

NPPES record last updated: March 6, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Margaret Danielle Weiss Md Phd NPPES

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

DR. MARGARET DANIELLE WEISS MD PHD (NPI 1437504479) is an individual psychiatry provider in Little Rock, Arkansas, licensed in Massachusetts (277715) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437504479
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARGARET DANIELLE WEISSCredential: MD PHD
Location Address4301 W MARKHAM STLittle Rock, AR 72205-7101
Mailing Address1493 Cambridge StreetCambridge, MA 02139 · (617) 665-1000
Phone(501) 364-6565
Fax(501) 364-1203
Sole ProprietorNo
Enumeration DateApril 27, 2016
Last NPPES UpdateMarch 6, 2019
✔ NPI 1437504479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in MA · 277715✔ Licensed in AR · E-9702
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License E-9702 (AR)
4301 W MARKHAM ST, Little Rock, AR 72205
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Margaret Danielle Weiss Md Phd 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 Margaret Weiss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cambridge Public Health Commission
1,259 mi
Clinic/Center
1493 CAMBRIDGE ST
Cambridge, MA 02139
  • Reassigned Medicare billing, Massachusetts enrollment
  • 362 clinicians in this Medicare group
NPI 1306908405 (617) 665-1000

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 72205 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
$157.74 typical visit price
range $51.36 – $157.74
Typical copayment $39.43 (range $12.84 – $39.43)
Most-billed visit code 99205
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
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 20

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

MRS. LESLEY BROOKE JONES R.D.
Dietitian, Registered
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Pulaski County (501) 686-6857
NANCY MAALOUF M.D.
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST, SLOT # 500
LITTLE ROCK, AR 72205
Pulaski County (501) 296-1165
DR. ARMANDO LEONEL MARTINEZ M.D.
Emergency Medicine
4301 W MARKHAM ST, SLOT 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
ELENA AMBROGINI MD PHD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4301 W MARKHAM ST, # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
SUKANTHI KOVVURU
Psychiatry & Neurology (Neuromuscular Medicine)
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Pulaski County (609) 865-3702
DR. TYLER KRISTOPHER ROSE M.D.
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
ZAIN BLACKWELL
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
MUHAMMAD JAWAD JAVED MD
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000

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 Weiss's NPI number?

The NPI number for Margaret Weiss is 1437504479. It was assigned to this individual provider in the NPPES registry on April 27, 2016.

Where is Margaret Weiss located?

Margaret Weiss practices at 4301 W Markham St, Little Rock, AR 72205. The listed phone number is (501) 364-6565.

What is Margaret Weiss's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Margaret Weiss enrolled in Medicare?

Yes. Margaret Weiss is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margaret Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Weiss reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, MA). 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 Margaret Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Weiss accept?

Health plans from Harvard Pilgrim Health Care list Margaret Weiss 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 Margaret Weiss was last updated on March 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.