Miriam Alicia Paz Sierra, MD
Internal Medicine Physician · Lubbock, TX
Miriam Alicia Paz Sierra, MD is an internal medicine physician with a practice address in Lubbock, Texas, and NPI 1780378257, issued on Jun 6, 2023. Check the license (Texas W7106, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Miriam Alicia Paz Sierra
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- W7106 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3601 4TH St RM 2B210, Lubbock, TX 79430
- Phone
- (806) 743-2978
- Enumerated
- Jun 6, 2023
- Record last updated
- Jul 28, 2026
- Fax
- (806) 743-1599
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Miriam Alicia Paz Sierra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W7106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
345 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate20 claims
- Furosemide11 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.
Miriam Alicia Paz Sierra among 9,175 internal medicine physician records in Texas
Miriam Alicia Paz Sierra, 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 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 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).
116 internal medicine physician records list a practice address in Lubbock
They are 116 of the 5,735 NPPES records with a practice address in Lubbock, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Lubbock → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kimberly Bethune, MDLubbock, TX 794301063551067
- Lynn Bickley, M.D.Lubbock, TX 794301841288180
- Dolores Buscemi, M.D.Lubbock, TX 794301841288099
- Lauren Cobbs, M.D.Lubbock, TX 794301053370684
- David Edwards, M.D.Lubbock, TX 794301811195472
- Swetha Gadwala, MDLubbock, TX 794301871855544
- Luisa Marin, MDLubbock, TX 794301316941107
- Teddy Mitchell, MDLubbock, TX 794301295894830
Common questions
What is Miriam Alicia Paz Sierra, MD's NPI number?
Miriam Alicia Paz Sierra, MD's National Provider Identifier (NPI) is 1780378257, issued on Jun 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Miriam Alicia Paz Sierra, MD located?
The NPPES record lists a practice address at 3601 4TH St RM 2B210, Lubbock, TX, 79430. Phone: (806) 743-2978. Providers update this record themselves, so call before visiting.
How can I verify Miriam Alicia Paz Sierra, MD's license?
NPPES lists Texas license number W7106, 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 Miriam Alicia Paz Sierra, MD prescribe under Medicare Part D?
In 2024, Miriam Alicia Paz Sierra, MD had 345 Medicare Part D claims for 67 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.