Glenn R. Davis, MD
Internal Medicine Physician · Spring, TX
Glenn R. Davis, MD is an internal medicine physician with a practice address in Spring, Texas, and NPI 1003806431, issued on Oct 26, 2005. Check the license (Texas K5503, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Glenn R. Davis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- K5503 TX
38899 OK
Self-reported in NPPES; status is on the state search - Practice location
- 2255 E Mossy Oaks RD Ste 680, Spring, TX 77389
- Phone
- (281) 537-0300
- Enumerated
- Oct 26, 2005
- Record last updated
- Oct 17, 2022
- Fax
- (281) 537-0315
- Medicare enrollment
- Enrolled (PECOS I20101014001418); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 2255 E Mossy Oaks RD Ste 680
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Anderson, MDInternal Medicine Physician1881885069
- Elizabeth Andrus, FNPNurse Practitioner1295194967
- Claire Chou, PA-CInternal Medicine Physician1366271439
- Jesse Dunkle, MDInternal Medicine Physician1811384167
- Humaira Faruqui, MDInternal Medicine Physician1861597619
- H Chungtai Hu, MDFamily Medicine Physician1841280351
Verify Glenn R. Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K5503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average internal medicine physician in 2024
4,605 Medicare Part D claims for 559 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 65 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium393 claims
- Levothyroxine Sodium269 claims
- Amlodipine Besylate233 claims
- Losartan Potassium160 claims
- Atorvastatin Calcium155 claims
- Lisinopril90 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: $1,447.97
52 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Cypress Physicians AssociationSpring, TX
- Health Hub Physicians IncPresidio, TX
- Stigler Health And Wellness Center IncEufaula, OK
- Variety Care, Inc.Grandfield, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glenn R. Davis among 9,175 internal medicine physician records in Texas
Glenn R. Davis, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2004 among the 6,088 with a school on file
- Record last updated2022 · 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).
36 internal medicine physician records list a practice address in Spring
They are 36 of the 3,758 NPPES records with a practice address in Spring, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Spring → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Samira Ahmed, MDSpring, TX 773891003183179
- Ayham Alsaab, DOSpring, TX 773891790434629
- Jessica Anderson, MDSpring, TX 773891881885069
- Nazia Ansari, M.D.Spring, TX 773891407823115
- Aisha Barlas, MDSpring, TX 773891730728379
- Xiaolei Chen, M.D.The Woodlands, TX 773891306259635
- Jesse Dunkle, MDSpring, TX 773891811384167
- Humaira Faruqui, MDSpring, TX 773891861597619
Common questions
What is Glenn R. Davis, MD's NPI number?
Glenn R. Davis, MD's National Provider Identifier (NPI) is 1003806431, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Glenn R. Davis, MD located?
The NPPES record lists a practice address at 2255 E Mossy Oaks RD Ste 680, Spring, TX, 77389. Phone: (281) 537-0300. Providers update this record themselves, so call before visiting.
How can I verify Glenn R. Davis, MD's license?
NPPES lists Texas license number K5503, 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 Glenn R. Davis, MD prescribe under Medicare Part D?
In 2024, Glenn R. Davis, MD had 4,605 Medicare Part D claims for 559 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.