Henry Leon Underwood, D.O.
Family Medicine Physician · Greenville, TX
Henry Leon Underwood, D.O. is a family medicine physician with a practice address in Greenville, Texas, and NPI 1316009947, issued on Dec 13, 2006. Check the license (Texas G2871, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Henry Leon Underwood
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G2871 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Joe Ramsey Blvd E, Greenville, TX 75401
- Phone
- (903) 455-8000
- Enumerated
- Dec 13, 2006
- Record last updated
- Jul 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (903) 454-3577
- Medicaid ID
- 122836304 TX
- Medicare enrollment
- Enrolled (PECOS I20101115000671); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1978
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 3800 Joe Ramsey Blvd E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Willis, DPTPhysical Therapist1912254400
Verify Henry Leon Underwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G2871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average family medicine physician in 2024
2,757 Medicare Part D claims for 117 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium145 claims
- Potassium Chloride127 claims
- Losartan Potassium121 claims
- Fluticasone Propionate96 claims
- Albuterol Sulfate Hfa85 claims
- Doxycycline Hyclate84 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.
Henry Leon Underwood among 11,119 family medicine physician records in Texas
Henry Leon Underwood, D.O. 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
- Graduated1978 · median 2004 among the 7,095 with a school on file
- Record last updated2010 · 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).
23 family medicine physician records list a practice address in Greenville
They are 23 of the 586 NPPES records with a practice address in Greenville, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Greenville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Harold Barnard, D OGreenville, TX 754011710074612
- Robert Deuell, MDGreenville, TX 754011407894959
- Linton Koger, MDGreenville, TX 754011386687242
- Howard Kweller, M.D.Greenville, TX 754011952385494
- Leah Madsen, MDGreenville, TX 754011578501540
- Dee McCrary, MDGreenville, TX 754011942203278
- Grady McMahan, DOGreenville, TX 754011205839537
- Suzanne Monday, MDGreenville, TX 754011003818337
Common questions
What is Henry Leon Underwood, D.O.'s NPI number?
Henry Leon Underwood, D.O.'s National Provider Identifier (NPI) is 1316009947, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Henry Leon Underwood, D.O. located?
The NPPES record lists a practice address at 3800 Joe Ramsey Blvd E, Greenville, TX, 75401. Phone: (903) 455-8000. Providers update this record themselves, so call before visiting.
How can I verify Henry Leon Underwood, D.O.'s license?
NPPES lists Texas license number G2871, 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 Henry Leon Underwood, D.O. prescribe under Medicare Part D?
In 2024, Henry Leon Underwood, D.O. had 2,757 Medicare Part D claims for 117 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.