Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Marianne T. Dait, MD

Works at hospitals in Williamsburg, VA · Newport News, VA · Gloucester, VA · Virginia

Summary

Dr. Marianne T. Dait, MD is a family doctor at 856 J Clyde Morris Blvd, Suite C, Newport News, VA 23601. Phone: (757) 316-5725. Accepts Medicare assignment. In 2024, Marianne T. Dait had 274 Original Medicare patients and 5,418 services. NPI 1962418947. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Marianne T. Dait, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Marianne T. Dait accept Medicare assignment?
Yes. Medicare's clinician data says Marianne T. Dait accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Marianne T. Dait see?
In 2024, CMS data shows 274 Original Medicare patients and 5,418 services for Marianne T. Dait. This counts Original Medicare only and measures volume, not quality.
What is Marianne T. Dait's NPI number?
1962418947. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Marianne T. Dait, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients274
Services billed to Medicare5,418
Different services or procedures135
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)665 services
  2. Insertion of needle into vein for collection of blood sample (36415)631 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)431 services
  4. Blood test, comprehensive group of blood chemicals (80053)419 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)383 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis45%
  • Chronic kidney disease36%
  • Diabetes30%
  • Ischemic heart disease20%

Hospitals where Marianne T. Dait works

Medicare's Facility Affiliation Data lists Marianne T. Dait at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Marianne T. Dait is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marianne T. Dait as a member of this group (CMS data updated October 2, 2026).

  • Riverside Physician Services Inc797 clinicians in the group

Specialties

Find other Family Practice doctors in Virginia →

Other family doctors in Newport News

Clinicians with the same Medicare primary specialty in Newport News, VA — not a recommendation.

All family doctors in Newport News →

Other clinicians in Riverside Physician Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962418947
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians