NPI age
15 years
Enumerated 2010-11-22
● Active
Type 1 · Individual
Sasha Marie Ringdahl Iversen, D.O.
Ringdahl Iversen is 1 of 252 physical medicine & rehabilitation providers in Houston and 1 of 1738 in Texas.
Primary specialty
Physical Medicine & Rehabilitation
Plus 1 subspecialty
Licensed in
TX, NY
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-11-12
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1738 active physical medicine & rehabilitation providers in Texas.
NPI age
15 years
↑ 3 yr above median (12 yr)
State licenses
2 states
Top 91% — 8% of peers are multi-state
Subspecialties
0
27% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-11Enumerated in NPPES
2010
2026
Where they practice
Practice location
9432 Katy Fwy Ste 400
Houston, TX 770556367
Mailing address
13702 Sandford Lake Cir
Houston, TX 770772793
Additional practice locations
1 secondary location on file with NPPES.
Location 2
12141 Richmond Ave
Houston, TX 770822408
Specialties
-
Physical Medicine & Rehabilitation PrimaryPhysical medicine and rehabilitation, also referred to as rehabilitation medicine, is the medical specialty concerned with diagnosing, evaluating, and treating patients with physical disabilities. These disabilities may arise from...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 1972805141 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.
Recently enumerated nearby: 5 new physical medicine & rehabilitation providers have been added in Houston in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.