NPI age
17 years
Enumerated 2008-06-27
● Active
Type 1 · Individual
Ashley Margaret Holder, MD
Holder is 1 of 72 surgery providers in Houston and 1 of 223 in Texas.
Primary specialty
Surgery
Plus 2 subspecialties
Licensed in
TX, AL, MO
3 states
Status
Active
No deactivations on record
Last NPPES update
2023-03-03
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 223 active surgery providers in Texas.
NPI age
17 years
≈ at median (18 yr)
State licenses
3 states
Top 67% — 32% of peers are multi-state
Subspecialties
1
In the 61% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-06Enumerated in NPPES
2008
2026
Where they practice
Practice location
1515 Holcombe Blvd
Houston, TX 770304000
Mailing address
P O Box 4439
Houston, TX 772104439
Specialties
-
Surgery PrimaryA surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major...
-
SurgeryA general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 305653303 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3675 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.