Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Hillcountry Arthritis Center, P.A.

Rheumatology Physician in Marble Falls, TX · enumerated 2011 · authorized official Darush Rahmani, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1538467311

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Registry record

Entity type Organization (Type 2)

Legal business name Hillcountry Arthritis Center, P.A.

Practice address 3415b N Us Highway 281, Marble Falls, TX, 78654

Phone (830) 693-4333

Fax (888) 524-4073

Enumeration date Mar 3, 2011

Last updated in NPPES Nov 23, 2011

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License M3708 (TX) Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License M3708 (TX) Primary

Authorized official

Name Darush Rahmani

Title President

Phone (830) 693-2005

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-11-23. Verify at npiregistry.cms.hhs.gov.

Where is Hillcountry Arthritis Center, P.A. located?

The practice location on file with NPPES is in Marble Falls, TX.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-23.