David Michael Washington, MD MSC
Internal Medicine · Houston, TX
At a glance
18333 Egret Bay Blvd Ste 111, Houston, TX 77058-3200
NPPES record updated Oct 3, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
This clinician has a currently effective opt-out record in the imported CMS file. Ask the practice about payment arrangements before booking.
- Effective Oct 1, 2026 through Oct 1, 2028
Source: Opt Out Affidavits : 2026-08-01 · Reporting period: 2026-08-01 to 2026-08-31 · Published Sep 21, 2026.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
18333 Egret Bay Blvd Ste 111Houston, TX 77058-3200
Education & affiliations
- Medical / professional school
- Warren Alpert Medical School Of Brown University
- Graduation year
- 2011
- CMS specialties
- Internal Medicine · Pediatric Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Reported hospital affiliations
- Houston Methodist Clear Lake Hospital Nassau Bay, TX
- Houston Methodist Hospital Houston, TX
- Memorial Hermann Hospital System Houston, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Consulting fee | $1,620.00 |
Reporting companies
| Company | Amount |
|---|---|
| VERTEX PHARMACEUTICALS INCORPORATED | $1,620.00 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- May 23, 2011
- Record updated
- Oct 3, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD MSC
Reported taxonomies and licenses
207R00000X · Primary
License reported: R1149 TX
207R00000X
License reported: 261784 MA
207R00000X
License reported: C204123 CA
208000000X
License reported: C204123 CA
208000000X
License reported: 261784 MA
208000000X
License reported: R1149 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
18333 Egret Bay Blvd Ste 111Houston, TX 77058-3200
- Phone
- (281) 915-9860
- Fax
- (346) 248-8022
Mailing address
18333 EGRET BAY BLVD STE 111HOUSTON, TX 770583200
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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