NPI age
18 years
Enumerated 2007-07-14
● Active Type 2 · Organization
Isern Rheumatology Clinic, PA
Isern Rheumatology Clinic, PA is 1 of 749 internal medicine organizations in Texas.
Primary specialty
Internal Medicine
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Isern
Member
Last NPPES update
2007-07-14
Source: monthly bulk 2026-05
How this organization compares
Across 749 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (18 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2007 → 2026
2007-07Enumerated in NPPES
2007
2026
Where they practice
Primary practice location
3350 Dowlen Rd Ste E
Beaumont, TX 777067263
Mailing address
3350 Dowlen Rd Ste E
Beaumont, TX 777067263
Authorized official
Reuben A. Isern, M.D.
Member
📞 4098600599
Specialties
-
Internal Medicine PrimaryAn internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.
Practice context
Single-site organization. Only one practice location on file.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.