Graham M. Block, MD
Internal Medicine Physician · Austin, TX
Graham M. Block, MD is an internal medicine physician with a practice address in Austin, Texas, and NPI 1033615018, issued on Mar 30, 2018. Check the license (Texas T0726, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Graham M. Block
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- T0726 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1210 W Braker LN, Austin, TX 78758
- Phone
- (512) 978-9300
- Enumerated
- Mar 30, 2018
- Record last updated
- Aug 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (512) 901-9737
- Medicare enrollment
- Enrolled (PECOS I20251009000983); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1210 W Braker LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Graham M. Block in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T0726Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,492 Medicare Part D claims for 158 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 50 claims were for opioids.
Most prescribed
- Amlodipine Besylate111 claims
- Atorvastatin Calcium104 claims
- Lisinopril59 claims
- Albuterol Sulfate Hfa48 claims
- Pantoprazole Sodium40 claims
- Levothyroxine Sodium36 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
- Central Texas Community Health CentersAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Graham M. Block among 9,175 internal medicine physician records in Texas
Graham M. Block, 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2004 among the 6,088 with a school on file
- Record last updated2021 · 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).
606 internal medicine physician records list a practice address in Austin
They are 606 of the 26,585 NPPES records with a practice address in Austin, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Austin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Laura Guerrero, MDAustin, TX 787581619944725
- William Lewis, DOAustin, TX 787581265401350
- Malik Merchant, MDAustin, TX 787581245238534
- Meen Misra, M.D.Austin, TX 787581336134105
- Anjali Nemawarkar, MDAustin, TX 787581093779555
Common questions
What is Graham M. Block, MD's NPI number?
Graham M. Block, MD's National Provider Identifier (NPI) is 1033615018, issued on Mar 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Graham M. Block, MD located?
The NPPES record lists a practice address at 1210 W Braker LN, Austin, TX, 78758. Phone: (512) 978-9300. Providers update this record themselves, so call before visiting.
How can I verify Graham M. Block, MD's license?
NPPES lists Texas license number T0726, 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 Graham M. Block, MD prescribe under Medicare Part D?
In 2024, Graham M. Block, MD had 1,492 Medicare Part D claims for 158 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.