NPI age
20 years
Enumerated 2006-01-23
● Active
Type 1 · Individual
Donna J Lager, M.D.
Lager is 1 of 34 pathology providers in Dallas and 1 of 167 in Texas.
Primary specialty
Pathology
Plus 1 subspecialty
Licensed in
TX, MN
2 states
Status
Active
No deactivations on record
Last NPPES update
2015-09-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 167 active pathology providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
2 states
Top 80% — 19% of peers are multi-state
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-01Enumerated in NPPES
2006
2026
Where they practice
Practice location
1355 River Bend Dr
Dallas, TX 752474915
Mailing address
1355 River Bend Dr
Dallas, TX 752474915
Specialties
-
Pathology PrimaryA pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (MN) | 220021980 | RAILROAD MEDICARE |
| 05 (WI) | 35233900 | |
| 05 (IA) | ENROLLED | |
| 05 (MN) | 021217200 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 37 other active providers share this practice address in NPPES.
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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.