Doctor profile · Federal record

Dr. Petra Grinnell, APRN, FNP-BC

Family Nurse Practitioner · San Antonio, TX

  • NPI 1386959120
  • 16 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1303 McCullough Ave, Suite 374
San Antonio, TX 782125615
(210) 223-5483
fax (210) 223-5492

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
December 27, 2011
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Texas #550234

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386959120. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,434
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 15 $318.83
Amgen Inc. 9 $146.20
Dexcom, Inc. 4 $107.40
CeQur Corporation 1 $102.60
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $79.06
Radius Health, Inc. 3 $66.95
Novo Nordisk Inc 3 $65.74
Ascensia Diabetes Care Us Inc. 2 $58.39
SANOFI-AVENTIS U.S. LLC 3 $55.16
Medtronic, Inc. 2 $49.16
Corcept Therapeutics 2 $49.07
Kyowa Kirin, Inc. 2 $44.60
Novartis Pharmaceuticals Corporation 2 $38.29
Acella Pharmaceuticals, LLC 2 $35.89
Bayer Healthcare Pharmaceuticals Inc. 2 $31.61

By nature of payment

Food and Beverage
$1,434

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
354
Patients
173
Total drug cost
$36,680
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 209 132 $2,854
Synthroid (Levothyroxine Sodium) Brand 50 27 $4,184
Alendronate Sodium Generic 19 14 $348
Hydrocortisone Generic 15 0 $1,093
Metformin Hcl Er (Metformin Hcl) Brand 14 0 $172
Atorvastatin Calcium Generic 12 0 $194
Fludrocortisone Acetate Generic 12 0 $299
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 12 0 $5,418
Genotropin (Somatropin) Brand 11 0 $22,119

Frequently asked questions

Auto-generated from federal data
What is Dr. Petra Grinnell's medical specialty?
Dr. Petra Grinnell practices Family Nurse Practitioner in San Antonio, TX.
Where does Dr. Petra Grinnell practice?
Dr. Petra Grinnell practices at 1303 McCullough Ave, San Antonio, TX 782125615. Office phone: 2102235483.
What is Dr. Petra Grinnell's NPI?
Dr. Petra Grinnell's National Provider Identifier (NPI) is 1386959120, issued by NPPES.