P Praxis·MD
● Active Type 1 · Individual

DR. Shirley Ann Riggs, M.D.

Internal Medicine·Houston, TX· NPI 1649332255 · Enumerated 2006 · 19 years on NPI
Riggs is 1 of 48 internal medicine providers in Houston and 1 of 78 in Texas.
NPI age
19 years
Enumerated 2006-12-14
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-01-29
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file

How this provider compares

Across 78 active internal medicine providers in Texas.

NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
0
52% of peers hold subspecialties

NPI lifetime · 2006 → 2026

2006-12Enumerated in NPPES
2006 2026

Where they practice

Practice location
1101 Bates Avenue, P115, Mc4-160
Houston, TX 77030
📞 7135294343fax 7137901871
Mailing address
8205 Braesmain Drive, #20609
Houston, TX 77225
📞 7135294343fax 7137901871

Specialties

  • Internal Medicine Primary
    An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
    TX license #E2821 taxonomy 207RH0000X

Identifiers

TypeValueNotes
05 (TX) 114917103

Practice context

Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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