Doctor profile · Federal record

Dr. Michelle Huffaker, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · Stanford, CA

  • NPI 1407141641
  • Accepts Medicare
  • MIPS 69.9 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
September 4, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
California #A137264

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407141641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
872
Distinct HCPCS
8
Medicare allowed
$24,944
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 630 21 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 49 30 $150
94010 Test to measure expiratory airflow and volume 40 26 $35
95012 Test to measure the level of nitric oxide gas 38 25 $26
96160 Administration and interpretation of patient-focused health risk assessment 36 22 $4
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $193
99213 Established patient office or other outpatient visit, 20-29 minutes 31 28 $106
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $134

In context: peer comparison

Among 1 peers in Stanford Allergy & Immunology Physician, average services per provider: 109. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
204
Patients
29
Total drug cost
$139,842
Drug Type Claims Patients Total cost
Symbicort (Budesonide/Formoterol Fumarate) Brand 32 0 $16,051
Montelukast Sodium Generic 26 0 $264
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 23 0 $16,059
Azelastine Hcl Generic 22 12 $571
Ipratropium Bromide Generic 20 0 $1,128
Epinephrine Generic 18 17 $3,699
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 14 0 $412
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 13 0 $87,889
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 12 0 $6,578
Breo Ellipta (Fluticasone/Vilanterol) Brand 12 0 $7,163

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michelle Huffaker's medical specialty?
Dr. Michelle Huffaker practices Allergy & Immunology Physician in Stanford, CA.
Where does Dr. Michelle Huffaker practice?
Dr. Michelle Huffaker practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Michelle Huffaker's NPI?
Dr. Michelle Huffaker's National Provider Identifier (NPI) is 1407141641, issued by NPPES.
Does Dr. Michelle Huffaker accept Medicare assignment?
Yes. Dr. Michelle Huffaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Huffaker commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume (HCPCS 94010). Source: CMS Medicare Physician & Other Practitioners file.