Doctor profile · Federal record

Dr. Kristen Mackenzie, MD

Pain Medicine (Anesthesiology) Physician (CMS: Anesthesiology) · Anesthesiology Physician · Student in an Organized Health Care Education/Training Program · Stanford, CA

  • NPI 1164953360
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
April 11, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State license (1)
California #A157928

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164953360. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,039
Distinct HCPCS
10
Medicare allowed
$105,542
HCPCS Description Services Patients Avg allowed
J2795 Injection, ropivacaine hydrochloride, 1 mg 3,953 37 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 203 136 $130
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 144 88 $89
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 120 23 $1
Q3014 Telehealth originating site facility fee 111 78 $28
20553 Injection of trigger points, 3 or more muscles 90 56 $56
99205 New patient office or other outpatient visit, 60-74 minutes 88 88 $225
99215 Established patient office or other outpatient visit, 40-54 minutes 88 76 $191
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 88 84 $147
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 45 43 $6

In context: peer comparison

Among 10 peers in this city , average services per provider: 107. This provider delivers 47× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
501
Patients
130
Total drug cost
$15,981
Drug Type Claims Patients Total cost
Gabapentin Generic 92 36 $2,235
Tizanidine Hcl Generic 72 27 $2,079
Pregabalin Generic 59 25 $2,651
Duloxetine Hcl Generic 58 18 $3,461
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 35 0 $546
Meloxicam Generic 31 12 $489
Celecoxib Generic 24 12 $855
Clonidine Generic 24 0 $1,378
Clonidine Hcl Generic 21 0 $333
Oxycodone Hcl Generic 21 0 $180

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen Mackenzie's medical specialty?
Dr. Kristen Mackenzie practices Pain Medicine (Anesthesiology) Physician in Stanford, CA.
Where does Dr. Kristen Mackenzie practice?
Dr. Kristen Mackenzie practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Kristen Mackenzie's NPI?
Dr. Kristen Mackenzie's National Provider Identifier (NPI) is 1164953360, issued by NPPES.
Does Dr. Kristen Mackenzie accept Medicare assignment?
Yes. Dr. Kristen Mackenzie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen Mackenzie commonly perform?
Top Medicare-reported procedures in 2023: Injection, ropivacaine hydrochloride, 1 mg (HCPCS J2795); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.