Leo C. Tynan, MD
Internal Medicine Physician · Fredericksburg, TX
Leo C. Tynan, MD is an internal medicine physician with a practice address in Fredericksburg, Texas, and NPI 1811937303, issued on Jun 7, 2006. Check the license (Texas H0895, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Leo C. Tynan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H0895 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1308 South Highway 16, Fredericksburg, TX 78624
- Phone
- (830) 997-2181
- Enumerated
- Jun 7, 2006
- Record last updated
- Apr 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (830) 997-9598
- Medicaid ID
- 114860303 TX
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1308 South Highway 16
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Loretta Keese, PAPhysician Assistant1790704963
- John Kothmann, M.D.Family Medicine Physician1780624502
Verify Leo C. Tynan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H0895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average internal medicine physician in 2024
4,488 Medicare Part D claims for 243 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. 128 claims were for opioids.
Most prescribed
- Levothyroxine Sodium211 claims
- Atorvastatin Calcium161 claims
- Amlodipine Besylate159 claims
- Pantoprazole Sodium142 claims
- Rosuvastatin Calcium142 claims
- Alprazolam137 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.
Leo C. Tynan among 9,175 internal medicine physician records in Texas
Leo C. Tynan, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2011 · 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).
10 internal medicine physician records list a practice address in Fredericksburg
They are 10 of the 331 NPPES records with a practice address in Fredericksburg, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Fredericksburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Derrick Borecky, MDFredericksburg, TX 786241861446585
- Sandra Garred, M.D.Fredericksburg, TX 786241770578478
- Melissa George, M.D.Fredericksburg, TX 786241306936695
- Felice Howard, M.D.Fredericksburg, TX 786241174572473
- Carl Hughes, MDFredericksburg, TX 786241356600498
- Michael Johnson, M.D.Fredericksburg, TX 786241386653236
- Philip Maple, M.D.Fredericksburg, TX 786241386688810
- Jennifer Mayben, M.D.Fredericksburg, TX 786241194746685
Common questions
What is Leo C. Tynan, MD's NPI number?
Leo C. Tynan, MD's National Provider Identifier (NPI) is 1811937303, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leo C. Tynan, MD located?
The NPPES record lists a practice address at 1308 South Highway 16, Fredericksburg, TX, 78624. Phone: (830) 997-2181. Providers update this record themselves, so call before visiting.
How can I verify Leo C. Tynan, MD's license?
NPPES lists Texas license number H0895, 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 Leo C. Tynan, MD prescribe under Medicare Part D?
In 2024, Leo C. Tynan, MD had 4,488 Medicare Part D claims for 243 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.