NPI age
20 years
Enumerated 2005-09-16
● Active
Type 1 · Individual
Peter Harald Langsjoen, MD
Langsjoen is 1 of 28 internal medicine providers in Tyler and 1 of 2301 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-10-19
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2301 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
0
37% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-09Enumerated in NPPES
2005
2026
Where they practice
Practice location
1107 Doctors Dr
Tyler, TX 757012124
Mailing address
1107 Doctors Dr
Tyler, TX 757012124
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 | 060066132 | RR MEDICARE |
| 05 (TX) | 110369901 | |
| 01 | 060010531 | TRICARE |
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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