Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MIRIAM ALICIA PAZ SIERRA MD
NPI 1780378257
Internal Medicine in Lubbock, TX

Q: What is Miriam Paz Sierra's NPI number?

The NPI number for Miriam Paz Sierra is 1780378257. It was assigned to this individual provider in the NPPES registry on June 6, 2023.

Q: What is Miriam Paz Sierra's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Miriam Paz Sierra was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 06, 2023PECOS Enrolled

3601 4TH ST RM 2B210, LUBBOCK, TX 79430(806) 743-2978(806) 743-1599 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 28, 2026, Jun 6, 2023 (2 updates tracked since 2023).

On this page

About Miriam Alicia Paz Sierra Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MIRIAM ALICIA PAZ SIERRA MD (NPI 1780378257) is an individual internal medicine provider in Lubbock, Texas, licensed in Texas (W7106) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Lubbock.

NPPES Registry Identity

NPI1780378257

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMIRIAM ALICIA PAZ SIERRACredential: MD

Location Address3601 4TH ST RM 2B210Lubbock, TX 79430-0002

Mailing Address3601 4th St Rm 2b210Lubbock, TX 79430-0002 · (806) 743-2978 · Fax (806) 743-1599

Phone(806) 743-2978

Fax(806) 743-1599

Sole ProprietorYes

Enumeration DateJune 6, 2023

Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1780378257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · W7106

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3601 4TH ST RM 2B210, Lubbock, TX 79430

Open in Google Maps ↗

Secondary Practice Location 1

Location 1602 Indiana AveLubbock, TX 79415-3364 · Phone (806) 743-9098 · Fax (806) 743-9085

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Miriam Alicia Paz Sierra Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79430 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Miriam Paz Sierra's NPI number?

The NPI number for Miriam Paz Sierra is 1780378257. It was assigned to this individual provider in the NPPES registry on June 6, 2023.

Where is Miriam Paz Sierra located?

Miriam Paz Sierra practices at 3601 4th St Rm 2b210, Lubbock, TX 79430. The listed phone number is (806) 743-2978.

What is Miriam Paz Sierra's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Miriam Paz Sierra enrolled in Medicare?

Yes. Miriam Paz Sierra is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Miriam Paz Sierra was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.