P Praxis·MD
● Active Type 1 · Individual

DR. Michael Wayne Holliday JR., M.D., PH.D.

Internal Medicine·Houston, TX· NPI 1891113080 · Enumerated 2014 · 12 years on NPI
Holliday is 1 of 294 internal medicine providers in Houston and 1 of 1582 in Texas.
NPI age
12 years
Enumerated 2014-04-03
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-06-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 1582 active internal medicine providers in Texas.

NPI age
12 years
↓ 6 yr below median (18 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
0
34% of peers hold subspecialties

NPI lifetime · 2014 → 2026

2014-04Enumerated in NPPES
2014 2026

Where they practice

Practice location
7200 Cambridge Street, MS Bcm 903
Houston, TX 77030
📞 7137984951
Mailing address
7200 Cambridge Street, MS Bcm 903
Houston, TX 77030
📞 7137984951

Specialties

  • Internal Medicine Primary
    An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
    TX license #S1128 taxonomy 207RN0300X

Practice context

Part of a multi-provider practice. 21 other active providers share this practice address in NPPES.

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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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