Doctor profile · Federal record

Dr. Tania Ramirez Fonseca, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Lakeway, TX

  • NPI 1346645900
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
100 Medical Pkwy
Lakeway, TX 78738
(512) 571-5000
Additional location
7000 N Mo PAC Expy, Ste 420
Austin, TX 787313027
(512) 482-0045
fax (512) 476-9892
Mailing address
Po Box 844658
Dallas, TX 752844658

Credentials & registration

NPPES · NUCC
NPI registered
October 2014 — 12 yrs on file
Profile last updated
January 5, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Texas #R1623 · Puerto Rico #18,943

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346645900. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
237
Distinct HCPCS
3
Medicare allowed
$32,873
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 102 99 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 101 98 $171
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 24 $78

In context: peer comparison

Among 3 peers in this city , average services per provider: 152. This provider delivers 1.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tania Ramirez Fonseca's medical specialty?
Dr. Tania Ramirez Fonseca practices Hospitalist Physician in Lakeway, TX.
Where does Dr. Tania Ramirez Fonseca practice?
Dr. Tania Ramirez Fonseca practices at 100 Medical Pkwy, Lakeway, TX 78738. Office phone: 5125715000.
What is Dr. Tania Ramirez Fonseca's NPI?
Dr. Tania Ramirez Fonseca's National Provider Identifier (NPI) is 1346645900, issued by NPPES.
Does Dr. Tania Ramirez Fonseca accept Medicare assignment?
Yes. Dr. Tania Ramirez Fonseca accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tania Ramirez Fonseca commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.