Doctor profile · Federal record

Dr. Katherine Janaszek, FNP-BC

Family Nurse Practitioner · Ambulatory Care Registered Nurse · Stanford, CA

  • NPI 1306383286
  • 9 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr Rm H2103
Stanford, CA 943052200
(650) 723-0180
fax (650) 725-6766

Credentials & registration

NPPES · NUCC
NPI registered
January 2017 — 9 yrs on file
Profile last updated
July 12, 2023
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95005589 · California #811016

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306383286. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
833
Distinct HCPCS
8
Medicare allowed
$58,634
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 431 319 $106
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 170 158 $12
36415 Insertion of needle into vein for collection of blood sample 111 95 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 44 41 $149
99441 Telephone medical discussion with physician, 5-10 minutes 28 24 $46
99442 Telephone medical discussion with physician, 11-20 minutes 27 24 $75
93246 Heart rhythm recording of continous external ekg over 8-15 days 11 11 $12
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 11 11 $22

In context: peer comparison

Among 3 peers in Stanford Family Nurse Practitioner, average services per provider: 123. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$545
Transactions
17
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 7 $194.54
Novartis Pharmaceuticals Corporation 7 $135.14
Edwards Lifesciences Corporation 1 $131.16
Abbott Laboratories 1 $68.00
Novo Nordisk INC 1 $16.07

By nature of payment

Food and Beverage
$545

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
896
Patients
376
Total drug cost
$93,640
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 162 68 $2,517
Atorvastatin Calcium Generic 110 48 $2,003
Ezetimibe Generic 93 35 $4,156
Losartan Potassium Generic 89 36 $1,109
Metoprolol Succinate Generic 89 39 $1,684
Amlodipine Besylate Generic 74 36 $909
Clopidogrel (Clopidogrel Bisulfate) Brand 62 31 $1,141
Carvedilol Generic 38 17 $379
Lisinopril Generic 37 16 $367
Eliquis (Apixaban) Brand 34 16 $42,643

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Janaszek's medical specialty?
Dr. Katherine Janaszek practices Family Nurse Practitioner in Stanford, CA.
Where does Dr. Katherine Janaszek practice?
Dr. Katherine Janaszek practices at 300 Pasteur Dr Rm H2103, Stanford, CA 943052200. Office phone: 6507230180.
What is Dr. Katherine Janaszek's NPI?
Dr. Katherine Janaszek's National Provider Identifier (NPI) is 1306383286, issued by NPPES.
What procedures does Dr. Katherine Janaszek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.