Michelle Huffaker, MD
NPI 1407141641 · Allergy & Immunology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Huffaker, MD is a Allergy & Immunology Physician provider in Stanford, CA (NPI 1407141641).
Provider details
- NPI number
- 1407141641
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A137264 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
958 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 603 | $5 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 71 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $153 |
| Test to Measure the Level of Nitric Oxide Gas95012 | 57 | $26 |
| Test to Measure Expiratory Airflow and Volume94010 | 54 | $35 |
| Administration and Interpretation of Patient-Focused Health Risk Assessment96160 | 45 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 25 | 13 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 25 | — |
| Ipratropium Bromide | 21 | 12 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 19 | — |
| Epinephrine | 17 | 15 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 16 | — |
| Montelukast Sodium | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 725 Welch RdPalo Alto, CA 94304-1601Phone: (650) 497-8000
Registry dates
- Enumerated
- 2011-06-16
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is Michelle Huffaker's NPI number?
- Michelle Huffaker's National Provider Identifier (NPI) is 1407141641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Huffaker's specialty?
- Michelle Huffaker is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Huffaker located?
- Michelle Huffaker's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Michelle Huffaker's phone number?
- The practice phone number listed in the NPPES registry for Michelle Huffaker is (650) 723-4000.
- Does Michelle Huffaker accept Medicare?
- Michelle Huffaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Huffaker's NPI active?
- Yes — Michelle Huffaker's NPI (1407141641) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.