NPPES file of Aug 9, 2026

David Michael Washington, MD

Internal Medicine Physician · League City, TX

David Michael Washington, MD is an internal medicine physician with a practice address in League City, Texas, and NPI 1851684955, issued on May 23, 2011. Check the license (Texas R1149, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851684955
Name
David Michael Washington
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
R1149 TX
261784 MA
Self-reported in NPPES; status is on the state search
Practice location
2220 E League City Pkwy Ste 200, League City, TX 77573
Phone
(281) 523-3110
Enumerated
May 23, 2011
Record last updated
May 10, 2025
Fax
(281) 523-3140
Medicare enrollment
Enrolled (PECOS I20170420000579); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2220 E League City Pkwy Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacklyn Morgan, PA-CPhysician Assistant1740604610
  2. Julie NguyenFamily Medicine Physician1629538848
  3. Irene Samuel, M.D.Family Medicine Physician1245687862
  4. Madelyn Villarreal, DOFamily Medicine Physician1861132961

Verify David Michael Washington in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R1149
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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82% more Medicare Part D claims than the average internal medicine physician in 2024

5,778 Medicare Part D claims for 363 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. David Washington5,778
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium325 claims
  2. Atorvastatin Calcium306 claims
  3. Amlodipine Besylate256 claims
  4. Levothyroxine Sodium176 claims
  5. Duloxetine Hcl155 claims
  6. Montelukast Sodium134 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $671.74

28 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Washington$671.74
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Tmh Physician Associates PLLCLeague City, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Michael Washington among 9,175 internal medicine physician records in Texas

David Michael Washington, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.

  • NPI issued2011 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2011 · median 2004 among the 6,088 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 internal medicine physician records list a practice address in League City

They are 19 of the 1,079 NPPES records with a practice address in League City, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robin Armstrong, MDLeague City, TX 775731700826864
  2. James Bridges, M.D.League City, TX 775731760430276
  3. Cindy Chan, M.D.League City, TX 775731154588705
  4. Quinn DufurrenaLeague City, TX 775731295267573
  5. Nasir Hussain, MDLeague City, TX 775731619148392
  6. Niki Jackson, MDLeague City, TX 775731083140891
  7. Angeles Lai-Zayas, M.D.League City, TX 775731730136862
  8. Carlos Navarro, MDLeague City, TX 775731447522867

Common questions

What is David Michael Washington, MD's NPI number?

David Michael Washington, MD's National Provider Identifier (NPI) is 1851684955, issued on May 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is David Michael Washington, MD located?

The NPPES record lists a practice address at 2220 E League City Pkwy Ste 200, League City, TX, 77573. Phone: (281) 523-3110. Providers update this record themselves, so call before visiting.

How can I verify David Michael Washington, MD's license?

NPPES lists Texas license number R1149, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Michael Washington, MD prescribe under Medicare Part D?

In 2024, David Michael Washington, MD had 5,778 Medicare Part D claims for 363 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.