NPI age
13 years
Enumerated 2013-03-28
● Active
Type 1 · Individual
DR. Peter Joseph Demaria, M.D.
Demaria is 1 of 248 internal medicine providers in Houston and 1 of 1069 in Texas.
Primary specialty
Internal Medicine
Plus 4 subspecialties
Licensed in
TX, FL
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-05-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1069 active internal medicine providers in Texas.
NPI age
13 years
↓ 5 yr below median (18 yr)
State licenses
2 states
Top 77% — 22% of peers are multi-state
Subspecialties
2
In the 52% of peers with subspecialties
NPI lifetime · 2013 → 2026
2013-03Enumerated in NPPES
2013
2026
Where they practice
Practice location
7500 Fannin St Ste 500
Houston, TX 770541986
Mailing address
Po Box 911230
Dallas, TX 753911230
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2032 Alhambra Cir
Coral Gables, FL 331342103
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
-
Internal MedicineAn internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (FL) | ME129539 | FLORIDA BOARD OF MEDICINE |
| 01 (TX) | V3278 | TEXAS MEDICAL BOARD |
| 01 (DC) | MD046702 | WASHINGTON, D.C. BOARD OF MEDICINE |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Houston in the last 180 days.
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Request a quote →How to verify this provider
- 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.