Doctor profile · Federal record

Dr. GIANVIEVE SCHWIRBLAT

Family Nurse Practitioner · Registered Nurse · GRASS VALLEY, CA

  • NPI 1568010312
  • 7 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
844 OLD TUNNEL RD
GRASS VALLEY, CA 959458524
(530) 274-9762
fax (530) 273-7255
Mailing address
3257 PROFESSIONAL DR STE C
AUBURN, CA 956022460

Credentials & registration

NPPES · NUCC
NPI registered
August 2019 — 7 yrs on file
Profile last updated
April 30, 2024
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95013417 · California #95156548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568010312. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
50
Distinct HCPCS
2
Medicare allowed
$274
HCPCS Description Services Patients Avg allowed
81015 Urinalysis using microscope 31 28 $3
83036 Hemoglobin a1c level 19 13 $10

In context: peer comparison

Among 4 peers in this city , average services per provider: 41. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
591
Patients
44
Total drug cost
$9,108
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 89 15 $1,235
Atorvastatin Calcium Generic 52 15 $618
Metoprolol Succinate Generic 51 0 $486
Pantoprazole Sodium Generic 47 0 $771
Gabapentin Generic 44 0 $1,329
Hydrochlorothiazide Generic 40 0 $170
Omeprazole Generic 37 14 $1,054
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 34 0 $263
Potassium Chloride Generic 33 0 $499
Amlodipine Besylate Generic 29 0 $224