NPI age
14 years
Enumerated 2012-02-07
● Active
Type 1 · Individual
DR. Suzanne Kilcoyne Miller, M.D.
Miller is 1 of 1938 internal medicine providers in Houston and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 6 subspecialties
Licensed in
TX, KS, OK, AL, MO, NM
6 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
14 years
↓ 3 yr below median (17 yr)
State licenses
6 states
Top 88% — 12% of peers are multi-state
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-02Enumerated in NPPES
2012
2026
Where they practice
Practice location
6411 Fannin St
Houston, TX 770301501
Mailing address
Po Box 649
Fort Defiance, AZ 865040649
Additional practice locations
4 secondary locations on file with NPPES.
Location 2
6161 S Yale Ave
Tulsa, OK 741361902
Location 3
300 Rockefeller Dr
Muskogee, OK 744015075
Location 4
Corner Of Route N12 And N7
Fort Defiance, AZ 865040649
Location 5
10501 E 91st St
Tulsa, OK 741335790
Specialties
-
Internal Medicine PrimaryA 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,...
-
HospitalistHospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
Practice context
Part of a multi-provider practice. 810 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine providers have been added in Houston in the last 180 days.
See all →
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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.
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