NPI age
19 years
Enumerated 2006-08-12
● Active
Type 1 · Individual
DR. Alfred R. Johnson, D.O.
Johnson is 1 of 2 internal medicine providers in Richardson and 1 of 63 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-08-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 63 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
0
54% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
997 Hampshire Ln
Richardson, TX 750808105
Mailing address
997 Hampshire Ln
Richardson, TX 750808105
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a...
Practice context
Part of a multi-provider practice. 4 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.