NPI age
20 years
Enumerated 2005-09-29
● Active
Type 1 · Individual
MS. Mary S Maxwell, M.D.
Maxwell is 1 of 25 internal medicine providers in Austin and 1 of 377 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-01-22
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 377 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
38% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-09Enumerated in NPPES
2005
2026
Where they practice
Practice location
4107 Medical Pkwy Ste 210
Austin, TX 787563738
Mailing address
4107 Medical Pkwy, #210
Austin, TX 787563735
Specialties
-
Internal Medicine PrimaryAn internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 131432004 |
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 2 new internal medicine providers have been added in Austin 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.