Doctor profile · Federal record

Dr. Marietta Guajardo, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · San Antonio, TX

  • NPI 1033512868
  • Accepts Medicare
  • MIPS 83.5 / 100 · 2023
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7913 Bandera RD
San Antonio, TX 782506511
(210) 698-9841
fax (210) 698-9863

Credentials & registration

NPPES · NUCC
NPI registered
October 2014 — 12 yrs on file
Profile last updated
August 23, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Texas #AP126286 · California #NP95005262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033512868. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
229
Distinct HCPCS
6
Medicare allowed
$17,998
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 76 62 $76
36415 Insertion of needle into vein for collection of blood sample 54 45 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 39 36 $111
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $146
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $99
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $110

In context: peer comparison

Among 245 peers in this city , average services per provider: 166. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,160
Patients
531
Total drug cost
$83,166
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 177 79 $2,661
Lisinopril Generic 130 60 $1,071
Amlodipine Besylate Generic 109 52 $1,105
Losartan Potassium Generic 102 48 $1,465
Rosuvastatin Calcium Generic 100 43 $4,053
Metformin Hcl Generic 94 41 $1,118
Levothyroxine Sodium Generic 91 41 $1,262
Fluticasone Propionate Generic 64 36 $1,037
Ozempic (Semaglutide) Brand 50 14 $65,482
Montelukast Sodium Generic 49 22 $894

Frequently asked questions

Auto-generated from federal data
What is Dr. Marietta Guajardo's medical specialty?
Dr. Marietta Guajardo practices Family Nurse Practitioner in San Antonio, TX.
Where does Dr. Marietta Guajardo practice?
Dr. Marietta Guajardo practices at 7913 Bandera RD, San Antonio, TX 782506511. Office phone: 2106989841.
What is Dr. Marietta Guajardo's NPI?
Dr. Marietta Guajardo's National Provider Identifier (NPI) is 1033512868, issued by NPPES.
Does Dr. Marietta Guajardo accept Medicare assignment?
Yes. Dr. Marietta Guajardo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marietta Guajardo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.