NPI age
20 years
Enumerated 2005-10-25
● Active
Type 1 · Individual
DR. Serina Marie Flores, M.D.
Flores is 1 of 823 internal medicine providers in San Antonio and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-03-14
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
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-10Enumerated in NPPES
2005
2026
Where they practice
Practice location
4800 Fredericksburg Rd Ste 127
San Antonio, TX 782293781
Mailing address
Po Box 29408
San Antonio, TX 782290408
Additional practice locations
1 secondary location on file with NPPES.
Location 2
21604 Cielo Ridge Dr
San Antonio, TX 782569604
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. 8 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine providers have been added in San Antonio 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.