NPPES file of Aug 9, 2026

William Donald Davis, M.D.

Family Medicine Physician · Houston, TX

William Donald Davis, M.D. is a family medicine physician with a practice address in Houston, Texas, and NPI 1316975477, issued on Jun 29, 2006. Check the license (Texas K3569, 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
1316975477
Name
William Donald Davis
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
K3569 TX
Self-reported in NPPES; status is on the state search
Practice location
2405 S Gessner RD, Houston, TX 77063
Phone
(713) 266-7673
Enumerated
Jun 29, 2006
Record last updated
Feb 22, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(713) 266-4744
Medicare enrollment
Enrolled (PECOS I20040719000027); accepts Medicare assignment
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 2405 S Gessner RD

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

  1. Monica Agrawal, MDFamily Medicine Physician1184852642
  2. Juliette Depue, DOFamily Medicine Physician1952594616
  3. Chanda Kewalramani, M.D.Family Medicine Physician1245434281
  4. Thien Nguyen, D.O.Family Medicine Physician1841228970
  5. Robert White, M.D.Family Medicine Physician1437187549

Verify William Donald Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K3569
    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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39% fewer Medicare Part D claims than the average family medicine physician in 2024

2,168 Medicare Part D claims for 165 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. William Davis2,168
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium160 claims
  2. Levothyroxine Sodium79 claims
  3. Montelukast Sodium73 claims
  4. Omeprazole73 claims
  5. Meloxicam69 claims
  6. Amlodipine Besylate64 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.

William Donald Davis among 11,119 family medicine physician records in Texas

William Donald Davis, M.D. is one of 11,119 family 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1996 · median 2004 among the 7,095 with a school on file
  • Record last updated2013 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,123 family medicine physician records list a practice address in Houston

They are 1,123 of the 61,221 NPPES records with a practice address in Houston, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Farid Bakht, M.D.Houston, TX 770631144398181
  2. Chinglin Chan, M.D.Houston, TX 770631558354514
  3. Alejandro Delgado, MDHouston, TX 770631285847822
  4. Chanda Kewalramani, M.D.Houston, TX 770631245434281
  5. Thien Nguyen, D.O.Houston, TX 770631841228970
  6. Tannique Rainford, M.D.Houston, TX 770631134176167
  7. John Schnick, M.D.Houston, TX 770631912018318
  8. Stuart Shapiro, MDHouston, TX 770631346241429

Common questions

What is William Donald Davis, M.D.'s NPI number?

William Donald Davis, M.D.'s National Provider Identifier (NPI) is 1316975477, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Donald Davis, M.D. located?

The NPPES record lists a practice address at 2405 S Gessner RD, Houston, TX, 77063. Phone: (713) 266-7673. Providers update this record themselves, so call before visiting.

How can I verify William Donald Davis, M.D.'s license?

NPPES lists Texas license number K3569, 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 William Donald Davis, M.D. prescribe under Medicare Part D?

In 2024, William Donald Davis, M.D. had 2,168 Medicare Part D claims for 165 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.