William M. Davis, M.D.
Family Medicine Physician · Shamrock, TX
William M. Davis, M.D. is a family medicine physician with a practice address in Shamrock, Texas, and NPI 1821444530, issued on May 11, 2016. Check the license (Texas S2759, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William M. Davis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- S2759 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1010 S Main St, Shamrock, TX 79079
- Phone
- (806) 256-5148
- Enumerated
- May 11, 2016
- Record last updated
- Jul 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190927001302); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 1010 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daissy Cadena, FNPFamily Nurse Practitioner1053977819
- Katherine Fires, APRN, FNP-CFamily Nurse Practitioner1780293753
Verify William M. Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S2759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family medicine physician in 2024
1,414 Medicare Part D claims for 132 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Lisinopril114 claims
- Atorvastatin Calcium94 claims
- Amlodipine Besylate71 claims
- Levothyroxine Sodium58 claims
- Meloxicam43 claims
- Albuterol Sulfate Hfa39 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.
Bills Medicare through one group practice
- Throckmorton County Memorial HospThrockmorton, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William M. Davis among 11,119 family medicine physician records in Texas
William M. 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 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2004 among the 7,095 with a school on file
- Record last updated2019 · 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).
2 family medicine physician records list a practice address in Shamrock
They are 2 of the 10 NPPES records with a practice address in Shamrock, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Shamrock → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Romeo Sangalang, MDShamrock, TX 790791255367470
- Mark Garnett, D.O.Spearman, TX 790811518943158
- Abbi Messer, DOSpearman, TX 790811073047437
- Muming Chen, M.D.Plainview, TX 790721134567266
- Victoria Colmenero, MDPlainview, TX 790721588014856
- Evan Colmenero, DOPlainview, TX 790721609222926
- Dominique Foster, MDPlainview, TX 790721417515859
- Kenneth Horton, M.D.Plainview, TX 790721700934486
Common questions
What is William M. Davis, M.D.'s NPI number?
William M. Davis, M.D.'s National Provider Identifier (NPI) is 1821444530, issued on May 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is William M. Davis, M.D. located?
The NPPES record lists a practice address at 1010 S Main St, Shamrock, TX, 79079. Phone: (806) 256-5148. Providers update this record themselves, so call before visiting.
How can I verify William M. Davis, M.D.'s license?
NPPES lists Texas license number S2759, 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 M. Davis, M.D. prescribe under Medicare Part D?
In 2024, William M. Davis, M.D. had 1,414 Medicare Part D claims for 132 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.