2026 NPPES data Specialist NPI 1811325988 PSY.D.
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Marsha Harris, PSY.D.

Specialist in Washington, District of Columbia.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 69,608 in Specialist, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.

What the federal data shows

Marsha Harris, PSY.D. is a Specialist in Washington, District of Columbia, listed in the federal CMS National Provider Identifier registry.

#37
Specialist rank among District of Columbia specialties

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.

CMS NPPES provider registry desk

NPI 1811325988 · Specialist

NPI-10 · ENUM-MID · TAX-MEGA · RX-NONE · BOOK-THIN · PHOTO-ENUM

  • NPI-10 1811325988
  • ENUM-MID 2013
  • TAX-MEGA 70K Specialist
  • RX-NONE No Part D
  • BOOK-THIN 181 in District of Columbia
  • PHOTO-ENUM Joan Vecchio · 2013

What does the federal data show about Marsha Harris, PSY.D.?

Quality data not reported

NPI registry status

Active

Issued 10/28/2013

NPI 1811325988

Primary specialty

Specialist

High-volume

69,608 US NPIs in this specialty

Specialty distribution in District of Columbia

How Specialist compares to other specialties among District of Columbia providers

District of Columbia providers
Home Health Aide20.8%Personal Care Attendant11.5%Case Manager/Care Coordinator7%Student in an Organized Heal…6.4%Clinical Social Worker4%Internal Medicine Physician2.1%Specialist0.4%
Largest specialties in District of Columbia (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Specialist. Verify directly:

How MIPS and board certification work

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

Practice Address

1200 1ST ST NE
Washington, DC 20002

Provider Details

NPI 1811325988
Specialty Specialist
Credentials PSY.D.
Gender Female
NPI Issued 10/28/2013

Specialist Overview

How Marsha Harris, PSY.D. fits within the Specialist landscape nationally.

69,608
Specialist Providers in US
55
States with Specialist
1,474
Avg Claims per Provider

Nationwide Specialist peers with similar MIPS or enrollment year

Two federal-record peer sets for Harris, both outside District of Columbia so the neighborhoods are not geographic containment.

Same NPPES enumeration year (2013)

Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.

Nearby Specialist Providers in District of Columbia

Other clinicians with the same primary specialty enrolled in District of Columbia, drawn from the same CMS NPPES roster as Harris.

One of 181 Specialist providers enrolled in District of Columbia, 5 are shown here.

Compare Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is Marsha Harris, PSY.D.'s specialty?
Marsha Harris, PSY.D. specializes in Specialist and practices in Washington, District of Columbia. Credentials: PSY.D..
Where is Marsha Harris, PSY.D. located?
Marsha Harris, PSY.D. is located at 1200 1ST ST NE, Washington, DC, 20002. Phone: (202) 603-2816.
What is Marsha Harris, PSY.D.'s NPI number?
Marsha Harris, PSY.D.'s National Provider Identifier (NPI) is 1811325988, issued on 10/28/2013.
How many Specialist providers are there in the US?
There are 69,608 Specialist providers across 55 states in the US. The average Specialist provider writes 1,474 Medicare Part D claims per year.
Does Marsha Harris, PSY.D. accept Medicare?
Marsha Harris, PSY.D. appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Marsha Harris, PSY.D.'s credentials?
Marsha Harris, PSY.D.'s NPI is 1811325988 with credentials PSY.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

View source datasets and methodology notes
Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.